xpro.mit.edu Open in urlscan Pro
2a04:4e42:600::645  Public Scan

7 Outgoing links

These are links going to different origins than the main page.

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Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 54

• https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=56561&time=1623931352230&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F HTTP 302
• https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D56561%26time%3D1623931352230%26url%3Dhttps%253A%252F%252Fxpro.mit.edu%252Fcourses%252Fcourse-v1%253AxPRO%252BLASERxE1%252F%26liSync%3Dtrue HTTP 302
• https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=56561&time=1623931352230&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&liSync=true HTTP 302
• https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=56561&time=1623931352230&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&liSync=true&e_ipv6=AQIp_2u3ZWaLtQAAAXoZ2fa9G3QjaJXsIwR6o6JLT91IXqyg0WWcO57QyGKMPkz-SuRTW9Nr

103 HTTP transactions Everything HTML Script AJAX CSS Image Expand all
1 data transactions

Method Protocol	Status	Resource Path	Size x-fer	Time Latency	Type MIME-Type	IP Location
GET H2	200	Primary Request / Show response xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/	41 KB 41 KB	1068ms 1004ms	Document text/html	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Full URL https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash fe673b58e2864b18d2c9548d776ad7d191ba8033762d20e7bdefd151bc578078 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :method GET :authority xpro.mit.edu :scheme https :path /courses/course-v1:xPRO+LASERxE1/ pragma no-cache cache-control no-cache upgrade-insecure-requests 1 user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 accept text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 sec-fetch-site none sec-fetch-mode navigate sec-fetch-user ?1 sec-fetch-dest document accept-encoding gzip, deflate, br accept-language en-US Upgrade-Insecure-Requests 1 User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers server nginx content-type text/html; charset=utf-8 x-frame-options SAMEORIGIN via 1.1 vegur, 1.1 varnish, 1.1 varnish accept-ranges bytes date Thu, 17 Jun 2021 12:02:31 GMT x-served-by cache-bwi5136-BWI, cache-fra19157-FRA x-cache MISS, MISS x-cache-hits 0, 0 x-timer S1623931350.441676,VS0,VE991 vary Authorization, Cookie, Accept-Encoding content-length 42183
GET H2	200	css fonts.googleapis.com/	14 KB 1 KB	16ms 15ms	Stylesheet text/css	2a00:1450:4001:802::200a GOOGLE
General Check archive.org Show headers Download Go to Full URL https://fonts.googleapis.com/css?family=Roboto:300,400,500,600,700|Rajdhani:300,400,500,600,700&display=swap Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:802::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software ESF / Resource Hash cb2c69c6445b167956d46c7b97c37cc90ee926dc08655bb92c33726ec573c71d Security Headers Name Value Strict-Transport-Security max-age=31536000 X-Content-Type-Options nosniff X-Frame-Options SAMEORIGIN X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers strict-transport-security max-age=31536000 content-encoding gzip x-content-type-options nosniff cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" x-xss-protection 0 last-modified Thu, 17 Jun 2021 12:02:31 GMT server ESF date Thu, 17 Jun 2021 12:02:31 GMT x-frame-options SAMEORIGIN content-type text/css; charset=utf-8 access-control-allow-origin * cache-control private, max-age=86400, stale-while-revalidate=604800 timing-allow-origin * link <https://fonts.gstatic.com>; rel=preconnect; crossorigin expires Thu, 17 Jun 2021 12:02:31 GMT
GET H2	200	style-fe784efa7d7e6e40cc80.css xpro.mit.edu/static/bundles/	258 KB 41 KB	17ms 16ms	Stylesheet text/css	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Full URL https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash ea11916f5931ae84a11e8a5ecbbf71bf930414a9a5897ba737da914c91e74fd0 Request headers :path /static/bundles/style-fe784efa7d7e6e40cc80.css pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept text/css,*/*;q=0.1 cache-control no-cache sec-fetch-dest style :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 683259 x-cache HIT, HIT x-cache-hits 1, 1 content-encoding gzip content-length 42183 x-served-by cache-bwi5156-BWI, cache-fra19157-FRA last-modified Wed, 09 Jun 2021 14:12:01 GMT server nginx x-timer S1623931351.456893,VS0,VE2 etag "60c0cc31-409dd" vary Accept-Encoding content-type text/css access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	style-a34d528266474f8f4066.js Show response xpro.mit.edu/static/bundles/	1 KB 778 B	15ms 14ms	Script application/javascript	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Full URL https://xpro.mit.edu/static/bundles/style-a34d528266474f8f4066.js Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash d3df4126fa6c46ceb53c0f03444fab60fe159466ab8bd81c91e87d9a9afeac62 Request headers :path /static/bundles/style-a34d528266474f8f4066.js pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept */* cache-control no-cache sec-fetch-dest script :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 245928 x-cache HIT, HIT x-cache-hits 1, 1 content-encoding gzip content-length 557 x-served-by cache-bwi5152-BWI, cache-fra19157-FRA last-modified Mon, 14 Jun 2021 15:38:23 GMT server nginx x-timer S1623931351.456985,VS0,VE1 etag "60c777ef-447" vary Accept-Encoding content-type application/javascript access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	snippet.js Show response static.zdassets.com/ekr/	20 KB 6 KB	75ms 34ms	Script application/javascript	104.18.72.113 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://static.zdassets.com/ekr/snippet.js?key=8ef9ef96-3317-40a9-8ef6-de0737503caa Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.3, , AES_128_GCM Server 104.18.72.113 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 16cc547456ffa0052c3679e6c5ece2e14ad57c92b93562deb7bcb5829b7afcb7 Security Headers Name Value Strict-Transport-Security max-age=0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT content-encoding br vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 60 x-amz-server-side-encryption AES256 x-amz-replication-status PENDING x-amz-request-id 7PGZ8N71RATZAJDM x-amz-id-2 iVpt4lHehvz+G8uF8MDDTRGswQuItCKY2JPwTbOEVMrMfPWXReE3btdp7rMakaGxKVLrxFGZKTg= last-modified Wed, 09 Jun 2021 00:08:59 GMT server cloudflare etag W/"cc904f41324148b571599b3b02fdec0b" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=0 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=4B0nIgj9PGgOSuj5LqG1c5xi7Br%2FVjMyISdO%2BusNId4%2FXpb8vJmsQXaGHGfnenrmc1LBbpf6qVQqLWOXinys195ODf7aYg6LZQyzB9Oa0M%2F1uEd195bAk6HRll4%2FO0sH"}],"group":"cf-nel","max_age":604800} content-type application/javascript cache-control public, max-age=3600, s-maxage=60 x-amz-version-id VFukQxfz8SFs4LT0u8yzm_CAm2zq09sT cf-request-id 0abb7309dc0000088b2a9fa000000001 cf-ray 660c2122fa4c088b-CDG
GET H2	200	header-5abbf68f7491f9beff35.js Show response xpro.mit.edu/static/bundles/	862 KB 237 KB	16ms 16ms	Script application/javascript	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Full URL https://xpro.mit.edu/static/bundles/header-5abbf68f7491f9beff35.js Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 1d42ad9e829bdcee46a0c64fc54f1eaecbf17398a968b3f541629f0052b9d554 Request headers :path /static/bundles/header-5abbf68f7491f9beff35.js pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept */* cache-control no-cache sec-fetch-dest script :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 245928 x-cache HIT, HIT x-cache-hits 1, 1 content-encoding gzip content-length 242772 x-served-by cache-bwi5165-BWI, cache-fra19157-FRA last-modified Mon, 14 Jun 2021 15:38:23 GMT server nginx x-timer S1623931351.456976,VS0,VE2 etag "60c777ef-d7870" vary Accept-Encoding content-type application/javascript access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	LASER_Program_FLIPPED.original.jpg xpro.mit.edu/images/gB8z6EG9wYKH-6tDmyjppf0dDUg=/102/fill-870x500/	67 KB 68 KB	105ms 102ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/gB8z6EG9wYKH-6tDmyjppf0dDUg=/102/fill-870x500/LASER_Program_FLIPPED.original.jpg?v=e0c47d435915473d06f7cb01eaf8d8621f55f847 Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 471285bfb8d84e7e8141def7072b34810a66bccc510f6803ef645f3ce55ed753 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/gB8z6EG9wYKH-6tDmyjppf0dDUg=/102/fill-870x500/LASER_Program_FLIPPED.original.jpg?v=e0c47d435915473d06f7cb01eaf8d8621f55f847 pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 1751540 x-frame-options SAMEORIGIN x-served-by cache-bwi5159-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/jpeg cache-control max-age=2592000 accept-ranges bytes x-timer S1623931351.488455,VS0,VE86 content-length 69019 x-cache-hits 1, 1
GET H2	200	SysEng_Ed_Crawley.jpg xpro.mit.edu/images/Yv0Lifg7NvymNaCfPmmE6LDFh4s=/110/fill-300x300/	19 KB 19 KB	29ms 27ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/Yv0Lifg7NvymNaCfPmmE6LDFh4s=/110/fill-300x300/SysEng_Ed_Crawley.jpg?v=d384707c2a6a153193273699631974c895444ecc Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash a11db92e5a1c44210a7be984a72d76b4eabb1a0dc8676dfe44d6efde735ba55b Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/Yv0Lifg7NvymNaCfPmmE6LDFh4s=/110/fill-300x300/SysEng_Ed_Crawley.jpg?v=d384707c2a6a153193273699631974c895444ecc pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 619837 x-frame-options SAMEORIGIN x-served-by cache-bwi5131-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache MISS, HIT content-type image/jpeg cache-control max-age=2592000 accept-ranges bytes x-timer S1623931351.488441,VS0,VE1 content-length 19237 x-cache-hits 0, 1
GET H2	200	LPx_Sterman.png xpro.mit.edu/images/ApAGw_b-AAHQHfcc9lYtI-zR8oM=/279/fill-300x300/	83 KB 83 KB	29ms 27ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/ApAGw_b-AAHQHfcc9lYtI-zR8oM=/279/fill-300x300/LPx_Sterman.png?v=c741e0d68c82976809503521f3a8b81105605d4d Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 87a1b32e0e1b7859d9fd82dd1428c8f4b9637fda4a9361f5137f080f63a50685 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/ApAGw_b-AAHQHfcc9lYtI-zR8oM=/279/fill-300x300/LPx_Sterman.png?v=c741e0d68c82976809503521f3a8b81105605d4d pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 1069512 x-frame-options SAMEORIGIN x-served-by cache-bwi5134-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/png cache-control max-age=2592000 accept-ranges bytes x-timer S1623931351.488426,VS0,VE1 content-length 84750 x-cache-hits 1, 1
GET H2	200	LPx_Rus.png xpro.mit.edu/images/Y7PXBJoTHxl0Z4MnSl6jzQQN9Ng=/280/fill-300x300/	128 KB 129 KB	113ms 111ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/Y7PXBJoTHxl0Z4MnSl6jzQQN9Ng=/280/fill-300x300/LPx_Rus.png?v=6e7f4a85df8cae51dd5b443df69d10241e498f49 Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 3a252994d1e9af22617f53a99c89f45f5c612cc7d0c02e06932c5d54283bc0b7 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/Y7PXBJoTHxl0Z4MnSl6jzQQN9Ng=/280/fill-300x300/LPx_Rus.png?v=6e7f4a85df8cae51dd5b443df69d10241e498f49 pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 597010 x-frame-options SAMEORIGIN x-served-by cache-bwi5135-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, MISS content-type image/png cache-control max-age=2592000 accept-ranges bytes x-timer S1623931351.488426,VS0,VE97 content-length 131508 x-cache-hits 1, 0
GET H2	200	LPx_Balakrishnan.original.jpg xpro.mit.edu/images/u0paYTbd7-Sww7m4TuzSTRFYUfw=/281/fill-300x300/	14 KB 14 KB	31ms 29ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/u0paYTbd7-Sww7m4TuzSTRFYUfw=/281/fill-300x300/LPx_Balakrishnan.original.jpg?v=8c6ccb3dc4950bf4e60dc13f8c437d1cd864a14f Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash db42fc39c64f5f81ed2b8732b739f336b8b06168d8231ecc05ce5ba236dc3fff Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/u0paYTbd7-Sww7m4TuzSTRFYUfw=/281/fill-300x300/LPx_Balakrishnan.original.jpg?v=8c6ccb3dc4950bf4e60dc13f8c437d1cd864a14f pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 699418 x-frame-options SAMEORIGIN x-served-by cache-bwi5146-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/jpeg cache-control max-age=2592000 accept-ranges bytes x-timer S1623931351.488747,VS0,VE1 content-length 14700 x-cache-hits 1, 1
GET H2	200	B2B_xPRO_image.original-1.jpg xpro.mit.edu/images/UBMmUDEXM0zR2C897Pbz1o4gwzY=/99/fill-750x505/	49 KB 49 KB	32ms 29ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/UBMmUDEXM0zR2C897Pbz1o4gwzY=/99/fill-750x505/B2B_xPRO_image.original-1.jpg?v=4e3e1c02514182f52196501f617ec8c7ec786c01 Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash e040e5a668b2b431f738a9d264b9d0545958245ae6dd32c199cf14ffec052812 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/UBMmUDEXM0zR2C897Pbz1o4gwzY=/99/fill-750x505/B2B_xPRO_image.original-1.jpg?v=4e3e1c02514182f52196501f617ec8c7ec786c01 pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 620132 x-frame-options SAMEORIGIN x-served-by cache-bwi5137-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/jpeg cache-control max-age=2592000 accept-ranges bytes x-timer S1623931351.488730,VS0,VE1 content-length 49811 x-cache-hits 1, 1
GET H2	200	gtm.js Show response www.googletagmanager.com/	190 KB 57 KB	37ms 34ms	Script application/javascript	2a00:1450:4001:812::2008 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.googletagmanager.com/gtm.js?id=GTM-KG4FR7J Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:812::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software Google Tag Manager / Resource Hash 561232f1a0ee317c7b44d2e25024474d5240e1467e3fc448ef8c3c80e5a1f683 Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT content-encoding br server Google Tag Manager access-control-allow-headers Cache-Control vary Accept-Encoding content-type application/javascript; charset=UTF-8 access-control-allow-origin * cache-control private, max-age=900 access-control-allow-credentials true cross-origin-resource-policy cross-origin strict-transport-security max-age=31536000; includeSubDomains alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 58328 x-xss-protection 0 expires Thu, 17 Jun 2021 12:02:31 GMT
GET H3-29	200	icon fonts.googleapis.com/	590 B 371 B	25ms 23ms	Stylesheet text/css	2a00:1450:4001:802::200a GOOGLE
General Check archive.org Show headers Download Go to Full URL https://fonts.googleapis.com/icon?family=Material+Icons&display=swap Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:802::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software ESF / Resource Hash 6f2bbbbc617b4ff326c84659f27ded3a5b46d785ece6a9dc3cfde067d493879e Security Headers Name Value Strict-Transport-Security max-age=31536000 X-Content-Type-Options nosniff X-Frame-Options SAMEORIGIN X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers strict-transport-security max-age=31536000 content-encoding gzip x-content-type-options nosniff cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" x-xss-protection 0 last-modified Thu, 17 Jun 2021 12:02:31 GMT server ESF date Thu, 17 Jun 2021 12:02:31 GMT x-frame-options SAMEORIGIN content-type text/css; charset=utf-8 access-control-allow-origin * cache-control private, max-age=86400, stale-while-revalidate=604800 timing-allow-origin * link <https://fonts.gstatic.com>; rel=preconnect; crossorigin expires Thu, 17 Jun 2021 12:02:31 GMT
GET H2	200	v2-legacy.js Show response js.hsforms.net/forms/	21 KB 8 KB	35ms 15ms	Script application/javascript	2606:4700::6811:b649 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://js.hsforms.net/forms/v2-legacy.js Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2606:4700::6811:b649 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash f32502dea46f2d30ba171ef19366fd6a1448d1126accedfbdec06673300dd94d Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains; preload Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 0712e4ad4264127dfcb76a114b130495.cloudfront.net (CloudFront) vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 167 x-amz-server-side-encryption AES256 x-cache Hit from cloudfront content-type application/javascript; charset=utf-8 x-amz-replication-status COMPLETED content-encoding br alt-svc h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400 cf-request-id 0abb7309c80000d6d910b78000000001 last-modified Thu, 10 Jun 2021 01:55:02 UTC server cloudflare etag W/"4122e9e8a9bce4c99d98f1b09cb12034" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=31536000; includeSubDomains; preload report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=I7qiBgF1RRDNofcn37rnti1EcH%2BxLz7ZzN8Vc2wLP0Cj%2FSkqFrRZGN26MkmIwKq0VYbetoFHJAbnYfY7dLhpZlh9g%2Fxmr6pmYE%2Ff30wiknCun8KDtBig6FtglwUU0VWZOlQD0mEKFg%3D%3D"}],"group":"cf-nel","max_age":604800} x-amz-version-id FN.IJ7CtaltL5OEr3Hir40QMJAdFn6Vb access-control-allow-origin * cache-control s-maxage=600, max-age=0 x-hs-cache-status HIT x-amz-cf-pop IAD89-C3 cf-ray 660c2122d8fed6d9-FRA x-amz-cf-id zOgc6Qp3pI-nBm-neDqEjvXqYCnirjQKs0ACvxbop06QmzSlX1eu6Q== x-hs-target-asset FormsNext/static-5.319/bundles/legacy.js
GET H2	200	v2.js Show response js.hsforms.net/forms/	573 KB 135 KB	72ms 52ms	Script application/javascript	2606:4700::6811:b649 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://js.hsforms.net/forms/v2.js Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2606:4700::6811:b649 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 068605b7a74adeae97a35f115e5d2116b49e1b0746b0172d6795cf4c7f93ecc8 Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains; preload Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 97971aa6c140e2dfc8adaee6c929eedc.cloudfront.net (CloudFront) vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 280 x-amz-server-side-encryption AES256 x-cache Hit from cloudfront content-type application/javascript; charset=utf-8 x-amz-replication-status COMPLETED content-encoding br alt-svc h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400 cf-request-id 0abb7309c90000d6d9d2acb000000001 last-modified Thu, 10 Jun 2021 01:55:02 UTC server cloudflare etag W/"be4017dc0d84057af0be82378d2bcd1a" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=31536000; includeSubDomains; preload report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=JJe28dXu8b8H%2FVqAnfWl5zFky6iRIeZnr2s4TL8HAQdwuS4%2FTzJkq9EV3I2A8BSQdt1VrjEhcMxZazsaBCkIk4Kpi%2BiTp8H9PYK9IXBO3ZjavdYeUFqWWzaQnmMDfJgIfXP3P8qSPQ%3D%3D"}],"group":"cf-nel","max_age":604800} x-amz-version-id _lWo_seegG84aAiYV148P6d_vJ1mA4fg access-control-allow-origin * cache-control s-maxage=600, max-age=0 x-hs-cache-status HIT x-amz-cf-pop IAD89-C3 cf-ray 660c2122d901d6d9-FRA x-amz-cf-id f1C-rJftNGHlhljTuVgo-yS_3bRDmhsSgI7INlqo3qUeWazqMtYKmg== x-hs-target-asset FormsNext/static-5.319/bundles/project_with_deps.js
GET H2	200	django-ee666661eea86ddb1181.js Show response xpro.mit.edu/static/bundles/	603 KB 181 KB	31ms 29ms	Script application/javascript	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Full URL https://xpro.mit.edu/static/bundles/django-ee666661eea86ddb1181.js Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 124c2199c434eef878805eecb362f291a671a9bcce8fd75b274af7e62492886c Request headers :path /static/bundles/django-ee666661eea86ddb1181.js pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept */* cache-control no-cache sec-fetch-dest script :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 245928 x-cache HIT, HIT x-cache-hits 1, 1 content-encoding gzip content-length 185211 x-served-by cache-bwi5181-BWI, cache-fra19157-FRA last-modified Mon, 14 Jun 2021 15:38:23 GMT server nginx x-timer S1623931351.488724,VS0,VE1 etag "60c777ef-96a86" vary Accept-Encoding content-type application/javascript access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	me Show response xpro.mit.edu/api/users/	139 B 319 B	144ms 144ms	XHR application/json	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Full URL https://xpro.mit.edu/api/users/me Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/static/bundles/header-5abbf68f7491f9beff35.js Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 5aa2b01e15bc92f1b32cdca641d48142d44b9d2756029cc442372e54f8e990e2 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /api/users/me pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode cors accept */* cache-control no-cache sec-fetch-dest empty :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish allow GET, PATCH, HEAD, OPTIONS server nginx x-timer S1623931352.642686,VS0,VE130 x-frame-options SAMEORIGIN x-served-by cache-bwi5127-BWI, cache-fra19157-FRA vary Accept, Authorization, Cookie, Accept-Encoding x-cache MISS, MISS content-type application/json accept-ranges bytes content-length 139 x-cache-hits 0, 0
GET H2	200	dx4KuzpogVA Show response www.youtube.com/embed/ Frame D5AB	54 KB 23 KB	62ms 58ms	Document text/html	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software ESF / Resource Hash f3c703e33141c4645ba67dd9cc2aba0ea26f0bdf25ef8fb1fd6e59b3808bfee0 Security Headers Name Value Strict-Transport-Security max-age=31536000 X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers :method GET :authority www.youtube.com :scheme https :path /embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 pragma no-cache cache-control no-cache upgrade-insecure-requests 1 user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 accept text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 sec-fetch-site cross-site sec-fetch-mode navigate sec-fetch-dest iframe referer https://xpro.mit.edu/ accept-encoding gzip, deflate, br accept-language en-US Upgrade-Insecure-Requests 1 User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Referer https://xpro.mit.edu/ Response headers content-type text/html; charset=utf-8 x-content-type-options nosniff cache-control no-cache, no-store, max-age=0, must-revalidate pragma no-cache expires Mon, 01 Jan 1990 00:00:00 GMT date Thu, 17 Jun 2021 12:02:31 GMT strict-transport-security max-age=31536000 permissions-policy ch-ua-full-version=*, ch-ua-platform=*, ch-ua-platform-version=*, ch-ua-arch=*, ch-ua-model=* p3p CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=en for more info." content-encoding br server ESF x-xss-protection 0 set-cookie YSC=QVrQ8pNzgAE; Domain=.youtube.com; Path=/; Secure; HttpOnly; SameSite=none VISITOR_INFO1_LIVE=9ch2uFz5MAw; Domain=.youtube.com; Expires=Tue, 14-Dec-2021 12:02:31 GMT; Path=/; Secure; HttpOnly; SameSite=none CONSENT=PENDING+370; expires=Fri, 01-Jan-2038 00:00:00 GMT; path=/; domain=.youtube.com; Secure alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
GET H2	200	iStock-1206003926.original.jpg xpro.mit.edu/images/0KvHtRklPGUQ9ADBxotkpdkfSiI=/282/fill-1920x1080/	230 KB 230 KB	136ms 134ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/0KvHtRklPGUQ9ADBxotkpdkfSiI=/282/fill-1920x1080/iStock-1206003926.original.jpg?v=2f37962fc48d929145877274468af682a00e9d2c Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 229594c2d50609791a2f35c9b10ac20639402d07ea83cdadd7f6aac269bffff9 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/0KvHtRklPGUQ9ADBxotkpdkfSiI=/282/fill-1920x1080/iStock-1206003926.original.jpg?v=2f37962fc48d929145877274468af682a00e9d2c pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 614394 x-frame-options SAMEORIGIN x-served-by cache-bwi5155-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, MISS content-type image/jpeg cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.649800,VS0,VE119 content-length 235070 x-cache-hits 1, 0
GET H2	200	tiles-bg.png xpro.mit.edu/static/images/	6 KB 6 KB	18ms 16ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/static/images/tiles-bg.png Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash de64f5ecc54bdd559562d921b276d08039f7e92de3e75442af590ebfc9fcf8bc Request headers :path /static/images/tiles-bg.png pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 1751743 x-cache HIT, HIT x-cache-hits 1, 1 content-length 5940 x-served-by cache-bwi5153-BWI, cache-fra19157-FRA last-modified Thu, 27 May 2021 12:48:11 GMT server nginx x-timer S1623931352.649796,VS0,VE1 etag "60af950b-1734" content-type image/png access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	dotted-bg.png xpro.mit.edu/static/images/	6 KB 6 KB	20ms 19ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/static/images/dotted-bg.png Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 124121d88807d3752db2f33ae651bc1fde6bf20a5ffce7c32e4209690594c684 Request headers :path /static/images/dotted-bg.png pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 1746765 x-cache HIT, HIT x-cache-hits 1, 1 content-length 5656 x-served-by cache-bwi5177-BWI, cache-fra19157-FRA last-modified Thu, 27 May 2021 12:48:11 GMT server nginx x-timer S1623931352.649782,VS0,VE2 etag "60af950b-1618" content-type image/png access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	who-should-enroll-bg.png xpro.mit.edu/static/images/	2 KB 2 KB	17ms 16ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/static/images/who-should-enroll-bg.png Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 7680f0d69f4c8b00586b52036c2cfda7ee1ab1504d6968f4a195013b885c66a9 Request headers :path /static/images/who-should-enroll-bg.png pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 443686 x-cache HIT, HIT x-cache-hits 1, 1 content-length 2248 x-served-by cache-bwi5156-BWI, cache-fra19157-FRA last-modified Fri, 11 Jun 2021 14:34:54 GMT server nginx x-timer S1623931352.649786,VS0,VE1 etag "60c3748e-8c8" content-type image/png access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	testimonial-carousel-bg.jpg xpro.mit.edu/static/images/	65 KB 65 KB	17ms 17ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/static/images/testimonial-carousel-bg.jpg Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 71d3284164dafd30fad3436ca6c0a9de02c51a9ab2dc5949b111c64451e67905 Request headers :path /static/images/testimonial-carousel-bg.jpg pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 2432023 x-cache HIT, HIT x-cache-hits 1, 1 content-length 66779 x-served-by cache-bwi5183-BWI, cache-fra19157-FRA last-modified Wed, 12 May 2021 12:59:56 GMT server nginx x-timer S1623931352.649739,VS0,VE1 etag "609bd14c-104db" content-type image/jpeg access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	faculty-bg.jpg xpro.mit.edu/static/images/	533 KB 533 KB	21ms 19ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/static/images/faculty-bg.jpg Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash e90f9657655e04fa59e12925486e94712b9e13ea31b5f47d9ea86c032d948d73 Request headers :path /static/images/faculty-bg.jpg pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 1213712 x-cache HIT, HIT x-cache-hits 1, 1 content-length 545708 x-served-by cache-bwi5122-BWI, cache-fra19157-FRA last-modified Wed, 02 Jun 2021 12:46:56 GMT server nginx x-timer S1623931352.651864,VS0,VE4 etag "60b77dc0-853ac" content-type image/jpeg access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	transparent-pixels-bg.png xpro.mit.edu/static/images/	2 KB 2 KB	18ms 16ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/static/images/transparent-pixels-bg.png Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 7680f0d69f4c8b00586b52036c2cfda7ee1ab1504d6968f4a195013b885c66a9 Request headers :path /static/images/transparent-pixels-bg.png pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 1742918 x-cache HIT, HIT x-cache-hits 1, 105 content-length 2248 x-served-by cache-bwi5121-BWI, cache-fra19157-FRA last-modified Thu, 27 May 2021 12:48:11 GMT server nginx x-timer S1623931352.651914,VS0,VE0 etag "60af950b-8c8" content-type image/png access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	LDI2apCSOBg7S-QT7pbYF_Oreec.woff2 fonts.gstatic.com/s/rajdhani/v10/	15 KB 16 KB	8ms 6ms	Font font/woff2	2a00:1450:4001:831::2003 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://fonts.gstatic.com/s/rajdhani/v10/LDI2apCSOBg7S-QT7pbYF_Oreec.woff2 Requested by Host: fonts.googleapis.com URL: https://fonts.googleapis.com/css?family=Roboto:300,400,500,600,700|Rajdhani:300,400,500,600,700&display=swap Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 5a6749550ca6c5497dbc565e75e7b21095bc85c7588185307cda2aa67f464b17 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Origin https://xpro.mit.edu Referer https://fonts.googleapis.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Sat, 12 Jun 2021 03:34:40 GMT x-content-type-options nosniff age 462471 content-security-policy-report-only require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 15780 x-xss-protection 0 last-modified Tue, 01 Sep 2020 03:49:18 GMT server sffe content-type font/woff2 access-control-allow-origin * cache-control public, max-age=31536000 accept-ranges bytes timing-allow-origin * expires Sun, 12 Jun 2022 03:34:40 GMT
GET H2	200	LDI2apCSOBg7S-QT7pb0EPOreec.woff2 fonts.gstatic.com/s/rajdhani/v10/	15 KB 15 KB	9ms 7ms	Font font/woff2	2a00:1450:4001:831::2003 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://fonts.gstatic.com/s/rajdhani/v10/LDI2apCSOBg7S-QT7pb0EPOreec.woff2 Requested by Host: fonts.googleapis.com URL: https://fonts.googleapis.com/css?family=Roboto:300,400,500,600,700|Rajdhani:300,400,500,600,700&display=swap Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 011fc52f6a447fe16329af1e6f2719fbe642554569b71725b670b1bc9adab83a Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Origin https://xpro.mit.edu Referer https://fonts.googleapis.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Sat, 12 Jun 2021 04:54:11 GMT x-content-type-options nosniff age 457700 content-security-policy-report-only require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 15044 x-xss-protection 0 last-modified Tue, 01 Sep 2020 03:49:01 GMT server sffe content-type font/woff2 access-control-allow-origin * cache-control public, max-age=31536000 accept-ranges bytes timing-allow-origin * expires Sun, 12 Jun 2022 04:54:11 GMT
GET H2	200	LDIxapCSOBg7S-QT7p4HM-Y.woff2 fonts.gstatic.com/s/rajdhani/v10/	15 KB 15 KB	9ms 8ms	Font font/woff2	2a00:1450:4001:831::2003 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://fonts.gstatic.com/s/rajdhani/v10/LDIxapCSOBg7S-QT7p4HM-Y.woff2 Requested by Host: fonts.googleapis.com URL: https://fonts.googleapis.com/css?family=Roboto:300,400,500,600,700|Rajdhani:300,400,500,600,700&display=swap Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 559b43f7beabc7c03b99de9f0820c720b5e6c8ae68867d0c90cfee83d52b7f45 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Origin https://xpro.mit.edu Referer https://fonts.googleapis.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Sat, 12 Jun 2021 06:17:53 GMT x-content-type-options nosniff age 452678 content-security-policy-report-only require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 14980 x-xss-protection 0 last-modified Tue, 01 Sep 2020 03:51:05 GMT server sffe content-type font/woff2 access-control-allow-origin * cache-control public, max-age=31536000 accept-ranges bytes timing-allow-origin * expires Sun, 12 Jun 2022 06:17:53 GMT
GET H2	200	LDI2apCSOBg7S-QT7pa8FvOreec.woff2 fonts.gstatic.com/s/rajdhani/v10/	15 KB 15 KB	8ms 7ms	Font font/woff2	2a00:1450:4001:831::2003 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://fonts.gstatic.com/s/rajdhani/v10/LDI2apCSOBg7S-QT7pa8FvOreec.woff2 Requested by Host: fonts.googleapis.com URL: https://fonts.googleapis.com/css?family=Roboto:300,400,500,600,700|Rajdhani:300,400,500,600,700&display=swap Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash c886e7ce6980565f56761a4e921edd13df2fa16deb88a13f4e2f2500d0ca5a82 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Origin https://xpro.mit.edu Referer https://fonts.googleapis.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Sat, 12 Jun 2021 10:24:58 GMT x-content-type-options nosniff age 437853 content-security-policy-report-only require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 15716 x-xss-protection 0 last-modified Tue, 01 Sep 2020 03:49:02 GMT server sffe content-type font/woff2 access-control-allow-origin * cache-control public, max-age=31536000 accept-ranges bytes timing-allow-origin * expires Sun, 12 Jun 2022 10:24:58 GMT
GET H2	200	flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2 fonts.gstatic.com/s/materialicons/v90/	102 KB 102 KB	9ms 8ms	Font font/woff2	2a00:1450:4001:831::2003 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://fonts.gstatic.com/s/materialicons/v90/flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2 Requested by Host: fonts.googleapis.com URL: https://fonts.googleapis.com/icon?family=Material+Icons&display=swap Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 0a722a0a5cc0e5e51f79fb4d905573fe696ea6f2673c2a439ee9d8d4838db741 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Origin https://xpro.mit.edu Referer https://fonts.googleapis.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Sat, 12 Jun 2021 05:40:22 GMT x-content-type-options nosniff age 454929 content-security-policy-report-only require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 104256 x-xss-protection 0 last-modified Wed, 09 Jun 2021 01:34:13 GMT server sffe content-type font/woff2 access-control-allow-origin * cache-control public, max-age=31536000 accept-ranges bytes timing-allow-origin * expires Sun, 12 Jun 2022 05:40:22 GMT
GET H2	200	icon2.png xpro.mit.edu/images/QB8l_rhh6VuPiOYjDNZcPfckGJE=/5/height-110%7Cformat-png/	3 KB 3 KB	26ms 25ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/QB8l_rhh6VuPiOYjDNZcPfckGJE=/5/height-110%7Cformat-png/icon2.png?v=a0b21052effa3f2024b0c04f146b94a2189980bb Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 87d50e98606b4117c170d61a5598c7881bd50dc26fbb58c1cef793b8fd7d8fa5 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/QB8l_rhh6VuPiOYjDNZcPfckGJE=/5/height-110%7Cformat-png/icon2.png?v=a0b21052effa3f2024b0c04f146b94a2189980bb pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 623224 x-frame-options SAMEORIGIN x-served-by cache-bwi5161-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/png cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.889476,VS0,VE2 content-length 2650 x-cache-hits 1, 1
GET H2	200	icon6.png xpro.mit.edu/images/C86pMYfvSIE6loLvUrFhdP2AAiQ=/4/height-110%7Cformat-png/	8 KB 8 KB	24ms 23ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/C86pMYfvSIE6loLvUrFhdP2AAiQ=/4/height-110%7Cformat-png/icon6.png?v=8d1710c434cd08b493a5c5b4ee2bc66fa7553fcb Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 22fc31223f137be39047c14960be310043559498e2fb45eff4ab33b8abdb68b7 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/C86pMYfvSIE6loLvUrFhdP2AAiQ=/4/height-110%7Cformat-png/icon6.png?v=8d1710c434cd08b493a5c5b4ee2bc66fa7553fcb pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 850057 x-frame-options SAMEORIGIN x-served-by cache-bwi5140-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/png cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.889454,VS0,VE1 content-length 8288 x-cache-hits 1, 1
GET H2	200	icon1.png xpro.mit.edu/images/NuVstpWZN9jxJyzHOBiK6Yd-5hY=/2/height-110%7Cformat-png/	3 KB 4 KB	26ms 25ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/NuVstpWZN9jxJyzHOBiK6Yd-5hY=/2/height-110%7Cformat-png/icon1.png?v=92b7c78cca2a068ca11daf4f70424d3c7ffaafdc Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 8b6fea24d64cf4f3acc4696a3f55dc33c4b26e329736b8e00c8ff33c78d2f9f3 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/NuVstpWZN9jxJyzHOBiK6Yd-5hY=/2/height-110%7Cformat-png/icon1.png?v=92b7c78cca2a068ca11daf4f70424d3c7ffaafdc pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 620133 x-frame-options SAMEORIGIN x-served-by cache-bwi5139-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/png cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.889442,VS0,VE3 content-length 3533 x-cache-hits 1, 1
GET H2	200	icon3.png xpro.mit.edu/images/LJaw7GesmmBZgpUaOeTbZDLlTik=/7/height-110%7Cformat-png/	8 KB 8 KB	25ms 23ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/LJaw7GesmmBZgpUaOeTbZDLlTik=/7/height-110%7Cformat-png/icon3.png?v=b733ccb43bcbefefd985a7a0e0597c7889d23f37 Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash f12560aa076c2a9c69755a3b1dfd29ef651acb4a081edd989765c2f486e6637b Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/LJaw7GesmmBZgpUaOeTbZDLlTik=/7/height-110%7Cformat-png/icon3.png?v=b733ccb43bcbefefd985a7a0e0597c7889d23f37 pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 207716 x-frame-options SAMEORIGIN x-served-by cache-bwi5146-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/png cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.889423,VS0,VE1 content-length 8540 x-cache-hits 1, 1
GET H2	200	icon5.png xpro.mit.edu/images/HpvKneCMp0jSpUEDRYrRYMDnAIM=/3/height-110%7Cformat-png/	4 KB 4 KB	23ms 22ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/HpvKneCMp0jSpUEDRYrRYMDnAIM=/3/height-110%7Cformat-png/icon5.png?v=f6dd939d98caf660ee55430d0cdebe1fe22bf3f1 Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 6de436171fe26c3731cfd71d9c359493df45b4509da86bda576fb095cf2e68e2 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/HpvKneCMp0jSpUEDRYrRYMDnAIM=/3/height-110%7Cformat-png/icon5.png?v=f6dd939d98caf660ee55430d0cdebe1fe22bf3f1 pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 793767 x-frame-options SAMEORIGIN x-served-by cache-bwi5120-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/png cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.889402,VS0,VE1 content-length 3866 x-cache-hits 1, 1
GET H2	200	icon4.png xpro.mit.edu/images/X-HZMrMTpbR1USQJbgbHrdljw38=/6/height-110%7Cformat-png/	6 KB 7 KB	17ms 15ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/X-HZMrMTpbR1USQJbgbHrdljw38=/6/height-110%7Cformat-png/icon4.png?v=d1e8248a4573359f05f5792f5e6c1cb49a0ed681 Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 009c84e55a1aeba06742d7bf521a25ad8430a695359a32dc476870ec83054878 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/X-HZMrMTpbR1USQJbgbHrdljw38=/6/height-110%7Cformat-png/icon4.png?v=d1e8248a4573359f05f5792f5e6c1cb49a0ed681 pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 782349 x-frame-options SAMEORIGIN x-served-by cache-bwi5126-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/png cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.909048,VS0,VE2 content-length 6498 x-cache-hits 1, 1
GET H2	200	LPx_Dayananda_Shenoy.jpg xpro.mit.edu/images/CtpNf6DR087PAPVPpbWhFDi9Hho=/276/fill-75x75/	2 KB 2 KB	16ms 14ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/CtpNf6DR087PAPVPpbWhFDi9Hho=/276/fill-75x75/LPx_Dayananda_Shenoy.jpg?v=18e91840f3e9b91bb6f1f60d6e0b97d60535567c Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash a0d3c69872011ac0566ee3fccd2c08a1530d3708fb1a53cb59b56db8ab4e7072 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/CtpNf6DR087PAPVPpbWhFDi9Hho=/276/fill-75x75/LPx_Dayananda_Shenoy.jpg?v=18e91840f3e9b91bb6f1f60d6e0b97d60535567c pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 699420 x-frame-options SAMEORIGIN x-served-by cache-bwi5120-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, HIT content-type image/jpeg cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.909180,VS0,VE1 content-length 1893 x-cache-hits 1, 1
GET H2	200	LPx_Smitra.JPG xpro.mit.edu/images/6GGbLUA_TgVk2j94UjXaLBOfVMo=/277/fill-75x75/	3 KB 3 KB	112ms 110ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/6GGbLUA_TgVk2j94UjXaLBOfVMo=/277/fill-75x75/LPx_Smitra.JPG?v=e4fb3942651331f6c7d11950b1e773cd0aeb2ece Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 6f1b74735680ee78c182dc089a9a48acb768862d3a742bcc79d08c1e11140229 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/6GGbLUA_TgVk2j94UjXaLBOfVMo=/277/fill-75x75/LPx_Smitra.JPG?v=e4fb3942651331f6c7d11950b1e773cd0aeb2ece pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 412232 x-frame-options SAMEORIGIN x-served-by cache-bwi5149-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache HIT, MISS content-type image/jpeg cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.909167,VS0,VE92 content-length 3179 x-cache-hits 1, 0
GET H2	200	LPx_Max.jpg xpro.mit.edu/images/mbWpM_f4Qgym0Q_WmDIFDk3ucEQ=/278/fill-75x75/	2 KB 2 KB	16ms 15ms	Image image/jpeg	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/images/mbWpM_f4Qgym0Q_WmDIFDk3ucEQ=/278/fill-75x75/LPx_Max.jpg?v=98c9bd15ea968f8e4f49b171daecfbac651b9450 Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 7bda7a3a8a1e6ffdbc09dcf30ba7b2805c6e63a69ff999070327ad960d6b0102 Security Headers Name Value X-Frame-Options SAMEORIGIN Request headers :path /images/mbWpM_f4Qgym0Q_WmDIFDk3ucEQ=/278/fill-75x75/LPx_Max.jpg?v=98c9bd15ea968f8e4f49b171daecfbac651b9450 pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish server nginx age 619837 x-frame-options SAMEORIGIN x-served-by cache-bwi5129-BWI, cache-fra19157-FRA vary Authorization, Cookie x-cache MISS, HIT content-type image/jpeg cache-control max-age=2592000 accept-ranges bytes x-timer S1623931352.909150,VS0,VE1 content-length 2076 x-cache-hits 0, 1
GET H2	200	mitx-pro-logo.png xpro.mit.edu/static/images/	3 KB 4 KB	15ms 15ms	Image image/png	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/static/images/mitx-pro-logo.png Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash 931fe2ac7c95cbfc88b7702f26245ee18b1fc1de12631c96775c223063acacd8 Request headers :path /static/images/mitx-pro-logo.png pragma no-cache accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:31 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 1224436 x-cache HIT, HIT x-cache-hits 1, 1 content-length 3521 x-served-by cache-bwi5137-BWI, cache-fra19157-FRA last-modified Wed, 02 Jun 2021 12:46:56 GMT server nginx x-timer S1623931352.933156,VS0,VE1 etag "60b77dc0-dc1" content-type image/png access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H2	200	6f7e46ec-f757-43a4-b109-597210df0f75 Show response forms.hsforms.com/embed/v3/form/4994459/	2 KB 1 KB	175ms 158ms	Script application/javascript	2606:4700::6810:5905 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://forms.hsforms.com/embed/v3/form/4994459/6f7e46ec-f757-43a4-b109-597210df0f75?callback=hs_reqwest_0&hutk= Requested by Host: js.hsforms.net URL: https://js.hsforms.net/forms/v2.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2606:4700::6810:5905 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 310e514b6676dc2408a98178a28c8408cf4e23e8d40c46784026f1a095423669 Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains; preload X-Content-Type-Options nosniff Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding br x-content-type-options nosniff cf-cache-status DYNAMIC x-hubspot-correlation-id 34352dec-e65c-4d2c-bd6e-184c5a954245 content-disposition attachment; filename=no-rfd.txt alt-svc h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400 cf-request-id 0abb730c0e0000dfd7db118000000001 server cloudflare x-trace 2BB1ABB374FD773745AC0A132A68AB5E3E88686979000000000000000000 expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=31536000; includeSubDomains; preload content-type application/javascript;charset=utf-8 vary Accept-Encoding cache-control max-age=0, no-cache, no-store access-control-allow-credentials false cf-ray 660c21267ef7dfd7-FRA
GET H2	200	8ef9ef96-3317-40a9-8ef6-de0737503caa Show response ekr.zdassets.com/compose/	584 B 1 KB	249ms 209ms	XHR application/json	104.18.70.113 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://ekr.zdassets.com/compose/8ef9ef96-3317-40a9-8ef6-de0737503caa Requested by Host: static.zdassets.com URL: https://static.zdassets.com/ekr/snippet.js?key=8ef9ef96-3317-40a9-8ef6-de0737503caa Protocol H2 Security TLS 1.3, , AES_128_GCM Server 104.18.70.113 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash d2194851316f97b328c17ef50a1e1cf727dfaa828732e0da8436f727226b5b08 Security Headers Name Value Strict-Transport-Security max-age=0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding br vary Origin, Accept-Encoding cf-cache-status REVALIDATED nel {"report_to":"cf-nel","max_age":604800} status 200 OK access-control-allow-methods GET, POST, OPTIONS strict-transport-security max-age=0 cf-request-id 0abb730c540000ee4c8498c000000001 x-request-id 8d07b6f5-f293-445e-a0b6-f647b2f820b4 x-runtime 0.002955 server cloudflare etag W/"d2194851316f97b328c17ef50a1e1cf7" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" access-control-max-age 7200 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=9bUYzv%2BAQGtt5A7u%2B4ee%2BgjKkb2hrvaLMHYpmUixKFEyf37d0%2BjHBUQCxbWNGyfxDzHgLS16Zzw9ORN5jJbot6a%2F%2FxlttLQ7Iop%2FjJjeupDwFDykkX0G%2FR9IcgFX"}],"group":"cf-nel","max_age":604800} content-type application/json; charset=utf-8 access-control-allow-origin * access-control-expose-headers cache-control max-age=600, public, s-maxage=60, stale-while-revalidate=600, stale-if-error=3600 cf-ray 660c2126efa9ee4c-CDG
GET H2	200	fbevents.js Show response connect.facebook.net/en_US/	94 KB 24 KB	6ms 6ms	Script application/x-javascript	2a03:2880:f02d:100:face:b00c:0:3 FACEBOOK
General Check archive.org Show headers Download Go to Full URL https://connect.facebook.net/en_US/fbevents.js Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a03:2880:f02d:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software / Resource Hash 547f226c6e04b6654144617685448d360e2a92d908c6fb646761a1e6d4850004 Security Headers Name Value Content-Security-Policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; Strict-Transport-Security max-age=31536000; preload; includeSubDomains X-Content-Type-Options nosniff X-Frame-Options DENY X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers content-security-policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; content-encoding gzip x-content-type-options nosniff cross-origin-resource-policy cross-origin alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 content-length 24517 x-xss-protection 0 pragma public x-fb-debug oOna4YsjDLFJ1wRj7n1ja+8U/9ULOA97wOn3wyBpuDv8iRGQTEs0EdkNiTVUnVvFVo5/51ZEu3zE8ExqweLh/w== x-fb-trip-id 917726464 x-frame-options DENY cross-origin-opener-policy same-origin-allow-popups cross-origin-embedder-policy-report-only require-corp;report-to="coep_report" date Thu, 17 Jun 2021 12:02:32 GMT strict-transport-security max-age=31536000; preload; includeSubDomains report-to {"group":"coep_report","max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/"}]} content-type application/x-javascript; charset=utf-8 vary Accept-Encoding cache-control public, max-age=1200 x-fb-rlafr 0 priority u=3,i expires Sat, 01 Jan 2000 00:00:00 GMT
GET H2	200	analytics.js Show response www.google-analytics.com/	48 KB 19 KB	6ms 5ms	Script text/javascript	2a00:1450:4001:80f::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.google-analytics.com/analytics.js Requested by Host: www.googletagmanager.com URL: https://www.googletagmanager.com/gtm.js?id=GTM-KG4FR7J Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:80f::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software Golfe2 / Resource Hash 2cb09c7b3e19bfc41743ca3624ef81c3258d56525647feac76aa757e0292627a Security Headers Name Value Strict-Transport-Security max-age=10886400; includeSubDomains; preload X-Content-Type-Options nosniff Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers strict-transport-security max-age=10886400; includeSubDomains; preload content-encoding gzip x-content-type-options nosniff last-modified Fri, 09 Apr 2021 23:59:54 GMT server Golfe2 age 5872 date Thu, 17 Jun 2021 10:24:40 GMT vary Accept-Encoding content-type text/javascript cache-control public, max-age=7200 cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 19569 expires Thu, 17 Jun 2021 12:24:40 GMT
GET H2	200	hotjar-1427253.js Show response static.hotjar.com/c/	45 B 298 B	66ms 66ms	Script application/javascript	13.225.74.66 AMAZON-02
General Check archive.org Show headers Download Go to Full URL https://static.hotjar.com/c/hotjar-1427253.js?sv=7 Requested by Host: www.googletagmanager.com URL: https://www.googletagmanager.com/gtm.js?id=GTM-KG4FR7J Protocol H2 Security TLS 1.3, , AES_128_GCM Server 13.225.74.66 , United States, ASN16509 (AMAZON-02, US), Reverse DNS server-13-225-74-66.fra2.r.cloudfront.net Software awselb/2.0 / Resource Hash 2774a090f77697227328b044025eb9098242b769b2c8d740b220c4df4afae027 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT via 1.1 32e3b86ae254a231182567c0124af893.cloudfront.net (CloudFront) server awselb/2.0 x-amz-cf-pop FRA2-C2 x-cache Miss from cloudfront content-type application/javascript; charset=utf-8 content-length 45 x-amz-cf-id X5ehRLz1QDKZn-9x_evqMw3_nP_F3B3IYF2Me7a0huAz6BizyqzHWQ==
GET H/1.1	200 OK	insight.min.js Show response snap.licdn.com/li.lms-analytics/	5 KB 2 KB	9ms 7ms	Script application/x-javascript	2a02:26f0:6c00:29b::25ea AKAMAI-ASN1
General Check archive.org Show headers Download Go to Full URL https://snap.licdn.com/li.lms-analytics/insight.min.js Requested by Host: www.googletagmanager.com URL: https://www.googletagmanager.com/gtm.js?id=GTM-KG4FR7J Protocol HTTP/1.1 Security TLS 1.3, , AES_256_GCM Server 2a02:26f0:6c00:29b::25ea Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL), Reverse DNS Software / Resource Hash 6e6e6a03e72a528c28884b50bf296425667f38dd0aaf1dd17ce89199ffc85271 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers Date Thu, 17 Jun 2021 12:02:32 GMT Content-Encoding gzip Last-Modified Tue, 15 Jun 2021 01:25:13 GMT X-CDN AKAM Vary Accept-Encoding Content-Type application/x-javascript;charset=utf-8 Cache-Control max-age=31003 Connection keep-alive Accept-Ranges bytes Content-Length 2079
GET H2	200	conversion_async.js Show response www.googleadservices.com/pagead/	36 KB 14 KB	64ms 62ms	Script text/javascript	142.250.186.34 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.googleadservices.com/pagead/conversion_async.js Requested by Host: www.googletagmanager.com URL: https://www.googletagmanager.com/gtm.js?id=GTM-KG4FR7J Protocol H2 Security TLS 1.3, , AES_128_GCM Server 142.250.186.34 , United States, ASN15169 (GOOGLE, US), Reverse DNS fra24s04-in-f2.1e100.net Software cafe / Resource Hash c694a371dc0d0d8accc0cc110c4e2e8f15a44682710b85c71c2f68833623737c Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding gzip x-content-type-options nosniff p3p policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC" cross-origin-resource-policy cross-origin content-disposition attachment; filename="f.txt" alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 13996 x-xss-protection 0 server cafe etag 13080284601087747113 vary Accept-Encoding content-type text/javascript; charset=UTF-8 cache-control private, max-age=3600 timing-allow-origin * expires Thu, 17 Jun 2021 12:02:32 GMT
GET H2	200	4994459.js Show response js.hs-scripts.com/	1016 B 898 B	253ms 196ms	Script application/javascript	2606:4700::6811:d4cc CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://js.hs-scripts.com/4994459.js Requested by Host: www.googletagmanager.com URL: https://www.googletagmanager.com/gtm.js?id=GTM-KG4FR7J Protocol H2 Security TLS 1.2, ECDHE_ECDSA, AES_128_GCM Server 2606:4700::6811:d4cc , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 1b75ec670c662d6e14537f5c5e83e20bd63067b138f9d98dd322da489120381d Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding br vary Accept-Encoding cf-cache-status EXPIRED x-hubspot-correlation-id 08c346ab-fb11-4e7c-99d9-ec71a2f7bffd cf-request-id 0abb730c9700004e61a637b000000001 server cloudflare x-trace 2B809DFE51661D9E81426AC4BA8DC9DB118F175A03000000000000000000 expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" access-control-max-age 3600 content-type application/javascript;charset=utf-8 access-control-allow-origin https://xpro.mit.edu cache-control public, max-age=60 access-control-allow-credentials true cf-ray 660c21275b8e4e61-FRA expires Thu, 17 Jun 2021 12:03:32 GMT
GET H2	200	iframe_api Show response www.youtube.com/	980 B 885 B	53ms 53ms	Script text/javascript	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/iframe_api Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software ESF / Resource Hash 805c978b06b771610476faf71921cff8d013c59d45423b70dc0328e753a90baf Security Headers Name Value Strict-Transport-Security max-age=31536000 X-Content-Type-Options nosniff X-Frame-Options SAMEORIGIN X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding br x-content-type-options nosniff server ESF x-frame-options SAMEORIGIN p3p CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=en for more info." cache-control private, max-age=0 permissions-policy ch-ua-full-version=*, ch-ua-platform=*, ch-ua-platform-version=*, ch-ua-arch=*, ch-ua-model=* cross-origin-resource-policy cross-origin strict-transport-security max-age=31536000 content-type text/javascript; charset=utf-8 alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" x-xss-protection 0 expires Thu, 17 Jun 2021 12:02:32 GMT
GET H2	200	www-player-webp.css www.youtube.com/s/player/997fe684/ Frame D5AB	359 KB 45 KB	6ms 5ms	Stylesheet text/css	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/s/player/997fe684/www-player-webp.css Requested by Host: www.youtube.com URL: https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash eb2261167a008616c0620bf0bec8a9b6969ff99250864f3e8702b3c59c9ee175 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Tue, 15 Jun 2021 15:03:00 GMT content-encoding br x-content-type-options nosniff last-modified Tue, 15 Jun 2021 01:01:25 GMT server sffe age 161972 vary Accept-Encoding, Origin content-type text/css cache-control public, max-age=31536000 cross-origin-resource-policy cross-origin accept-ranges bytes alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 46281 x-xss-protection 0 expires Wed, 15 Jun 2022 15:03:00 GMT
GET H2	200	www-embed-player.js Show response www.youtube.com/s/player/997fe684/www-embed-player.vflset/ Frame D5AB	194 KB 64 KB	7ms 6ms	Script text/javascript	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/s/player/997fe684/www-embed-player.vflset/www-embed-player.js Requested by Host: www.youtube.com URL: https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 3648ff9c18270446e4106c1b332ea27992dc0ac33e1b1b2d35f4ed59598eee71 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Tue, 15 Jun 2021 15:00:30 GMT content-encoding br x-content-type-options nosniff last-modified Tue, 15 Jun 2021 01:01:25 GMT server sffe age 162122 vary Accept-Encoding, Origin content-type text/javascript cache-control public, max-age=31536000 cross-origin-resource-policy cross-origin accept-ranges bytes alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 65602 x-xss-protection 0 expires Wed, 15 Jun 2022 15:00:30 GMT
GET H2	200	base.js Show response www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/ Frame D5AB	2 MB 483 KB	10ms 9ms	Script text/javascript	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/base.js Requested by Host: www.youtube.com URL: https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 823b19bdfd38969d4800b9e876b4d11eba38e00bd576e5e11c60bb0d20aa168f Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Tue, 15 Jun 2021 15:00:30 GMT content-encoding br x-content-type-options nosniff last-modified Tue, 15 Jun 2021 01:01:25 GMT server sffe age 162122 vary Accept-Encoding, Origin content-type text/javascript cache-control public, max-age=31536000 cross-origin-resource-policy cross-origin accept-ranges bytes alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 494431 x-xss-protection 0 expires Wed, 15 Jun 2022 15:00:30 GMT
GET H2	200	fetch-polyfill.js Show response www.youtube.com/s/player/997fe684/fetch-polyfill.vflset/ Frame D5AB	8 KB 3 KB	9ms 9ms	Script text/javascript	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/s/player/997fe684/fetch-polyfill.vflset/fetch-polyfill.js Requested by Host: www.youtube.com URL: https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash de6c4ffa2bd9fd283610e28d0db2ec48607aab39d213a51aef248673a0a7e980 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Tue, 15 Jun 2021 15:00:30 GMT content-encoding br x-content-type-options nosniff last-modified Tue, 15 Jun 2021 01:01:25 GMT server sffe age 162122 vary Accept-Encoding, Origin content-type text/javascript cache-control public, max-age=31536000 cross-origin-resource-policy cross-origin accept-ranges bytes alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 2830 x-xss-protection 0 expires Wed, 15 Jun 2022 15:00:30 GMT
GET H3-29	200	KFOmCnqEu92Fr1Mu4mxK.woff2 fonts.gstatic.com/s/roboto/v18/ Frame D5AB	15 KB 15 KB	15ms 14ms	Font font/woff2	2a00:1450:4001:831::2003 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxK.woff2 Requested by Host: www.youtube.com URL: https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 3e253b66056519aa065b00a453bac37ac5ed8f3e6fe7b542e93a9dcdcc11d0bc Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Origin https://www.youtube.com Referer https://www.youtube.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Sat, 12 Jun 2021 07:03:43 GMT x-content-type-options nosniff age 449929 content-security-policy-report-only require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 15344 x-xss-protection 0 last-modified Mon, 16 Oct 2017 17:32:55 GMT server sffe content-type font/woff2 access-control-allow-origin * cache-control public, max-age=31536000 accept-ranges bytes timing-allow-origin * expires Sun, 12 Jun 2022 07:03:43 GMT
GET H2	200	collect px4.ads.linkedin.com/ Redirect Chain https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=56561&time=1623931352230&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D56561%26time%3D1623931352230%26url%3Dhttps%253A%252F%252Fxpro.mit.edu%252Fcourses... https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=56561&time=1623931352230&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&liSync=true https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=56561&time=1623931352230&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&liSync=true&e_ipv6=AQIp_2u3ZWaLtQAAAXoZ2fa9G3Q...	0 64 B	175ms 175ms	Image application/javascript	108.174.10.14 LINKEDIN
General Check archive.org Show headers Download Go to Show image Full URL https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=56561&time=1623931352230&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&liSync=true&e_ipv6=AQIp_2u3ZWaLtQAAAXoZ2fa9G3QjaJXsIwR6o6JLT91IXqyg0WWcO57QyGKMPkz-SuRTW9Nr Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 108.174.10.14 , United States, ASN14413 (LINKEDIN, US), Reverse DNS 108-174-10-14.fwd.linkedin.com Software Play / Resource Hash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT server Play linkedin-action 1 x-li-fabric prod-lor1 x-li-proto http/2 x-li-pop prod-edc2 content-type application/javascript content-length 0 x-li-uuid FuOtJfZciRZg+E2MSSsAAA== Redirect headers date Thu, 17 Jun 2021 12:02:32 GMT server Play linkedin-action 1 x-li-fabric prod-lor1 location https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=56561&time=1623931352230&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&liSync=true&e_ipv6=AQIp_2u3ZWaLtQAAAXoZ2fa9G3QjaJXsIwR6o6JLT91IXqyg0WWcO57QyGKMPkz-SuRTW9Nr x-li-proto http/2 x-li-pop prod-esv5 content-length 0 x-li-uuid roPRG/ZciRbwhUstgisAAA==
POST H3-29	200	collect Show response www.google-analytics.com/j/	2 B 22 B	13ms 12ms	XHR text/plain	2a00:1450:4001:80f::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.google-analytics.com/j/collect?v=1&_v=j90&a=1794834488&t=pageview&_s=1&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&ul=en-us&de=UTF-8&dt=Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEBAAAABAAAAAC~&jid=1003009052&gjid=1920520518&cid=659911309.1623931352&tid=UA-5145472-38&_gid=1362487302.1623931352&_r=1&gtm=2wg690KG4FR7J&z=1803111192 Requested by Host: www.google-analytics.com URL: https://www.google-analytics.com/analytics.js Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:80f::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software Golfe2 / Resource Hash de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af Security Headers Name Value X-Content-Type-Options nosniff Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Content-Type text/plain Response headers pragma no-cache date Thu, 17 Jun 2021 12:02:32 GMT x-content-type-options nosniff last-modified Sun, 17 May 1998 03:00:00 GMT server Golfe2 content-type text/plain access-control-allow-origin https://xpro.mit.edu cache-control no-cache, no-store, must-revalidate access-control-allow-credentials true cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 2 expires Fri, 01 Jan 1990 00:00:00 GMT
GET H3-29	200	identity.js Show response connect.facebook.net/signals/plugins/	11 KB 5 KB	8ms 6ms	Script application/x-javascript	2a03:2880:f02d:100:face:b00c:0:3 FACEBOOK
General Check archive.org Show headers Download Go to Full URL https://connect.facebook.net/signals/plugins/identity.js?v=2.9.41 Requested by Host: connect.facebook.net URL: https://connect.facebook.net/en_US/fbevents.js Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f02d:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software / Resource Hash 3bea34f20c813024f046166fb0ad98a8eb93d5ab93052ceb993eee238ece5b66 Security Headers Name Value Content-Security-Policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; Strict-Transport-Security max-age=31536000; preload; includeSubDomains X-Content-Type-Options nosniff X-Frame-Options DENY X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers content-security-policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; content-encoding gzip x-content-type-options nosniff cross-origin-resource-policy cross-origin alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 content-length 4673 x-xss-protection 0 pragma public x-fb-debug 60ghnfanfkbTF4fy6Y5nN7FS4cIdEVFs5wiOSDVnZxfx+JfWwQV0z0NxM9u5q+J9lDe/UQDoEpteVQpLnAFyAg== cross-origin-embedder-policy-report-only require-corp;report-to="coep_report" cross-origin-opener-policy same-origin-allow-popups x-frame-options DENY date Thu, 17 Jun 2021 12:02:32 GMT strict-transport-security max-age=31536000; preload; includeSubDomains report-to {"group":"coep_report","max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/"}]} content-type application/x-javascript; charset=utf-8 vary Accept-Encoding cache-control public, max-age=1200 x-fb-rlafr 0 priority u=3,i expires Sat, 01 Jan 2000 00:00:00 GMT
GET H3-29	200	458392838333521 Show response connect.facebook.net/signals/config/	261 KB 74 KB	99ms 98ms	Script application/x-javascript	2a03:2880:f02d:100:face:b00c:0:3 FACEBOOK
General Check archive.org Show headers Download Go to Full URL https://connect.facebook.net/signals/config/458392838333521?v=2.9.41&r=stable Requested by Host: connect.facebook.net URL: https://connect.facebook.net/en_US/fbevents.js Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f02d:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software / Resource Hash f6727281f89826f14940cd8efb168531af88bac22f4c51749fc166476522fb3f Security Headers Name Value Content-Security-Policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; Strict-Transport-Security max-age=31536000; preload; includeSubDomains X-Content-Type-Options nosniff X-Frame-Options DENY X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers content-security-policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; content-encoding gzip x-content-type-options nosniff cross-origin-resource-policy cross-origin alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 x-xss-protection 0 pragma public x-fb-debug r1OkzXiGKWnf9WWv7UW6IMROOxAEAxOFs+NqOXtvgzVZC55IFFvAUJCxf0coe6OG2t1ONaINydLV2DrRkgGZOg== cross-origin-embedder-policy-report-only require-corp;report-to="coep_report" cross-origin-opener-policy same-origin-allow-popups x-frame-options DENY date Thu, 17 Jun 2021 12:02:32 GMT strict-transport-security max-age=31536000; preload; includeSubDomains report-to {"group":"coep_report","max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/"}]} content-type application/x-javascript; charset=utf-8 vary Accept-Encoding cache-control public, max-age=1200 x-fb-rlafr 0 priority u=3,i expires Sat, 01 Jan 2000 00:00:00 GMT
GET H3-29	200	www-widgetapi.js Show response www.youtube.com/s/player/997fe684/www-widgetapi.vflset/	126 KB 42 KB	8ms 7ms	Script text/javascript	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/s/player/997fe684/www-widgetapi.vflset/www-widgetapi.js Requested by Host: www.youtube.com URL: https://www.youtube.com/iframe_api Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 6216350f8f0b2a5db239a96a6df67af9ac4db6fcbbd468f00fa41bfeb0f2249b Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 10:30:55 GMT content-encoding br x-content-type-options nosniff last-modified Tue, 15 Jun 2021 01:01:25 GMT server sffe age 5497 vary Accept-Encoding, Origin content-type text/javascript cache-control public, max-age=31536000 cross-origin-resource-policy cross-origin accept-ranges bytes alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 42891 x-xss-protection 0 expires Fri, 17 Jun 2022 10:30:55 GMT
GET H2	200	/ Show response googleads.g.doubleclick.net/pagead/viewthroughconversion/372651498/	2 KB 1 KB	18ms 17ms	Script text/javascript	2a00:1450:4001:82b::2002 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://googleads.g.doubleclick.net/pagead/viewthroughconversion/372651498/?random=1623931352329&cv=9&fst=1623931352329&num=1&guid=ON&resp=GooglemKTybQhCsO&eid=2505059650&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=120&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg690&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&tiba=Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course&hn=www.googleadservices.com&async=1&rfmt=3&fmt=4 Requested by Host: www.googleadservices.com URL: https://www.googleadservices.com/pagead/conversion_async.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:82b::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software cafe / Resource Hash 840dba0243c3d984550d474a184b001a5575ae6d88b895ea5caaad58d74713be Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers pragma no-cache date Thu, 17 Jun 2021 12:02:32 GMT content-encoding gzip x-content-type-options nosniff server cafe timing-allow-origin * p3p policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR" cache-control no-cache, must-revalidate cross-origin-resource-policy cross-origin content-disposition attachment; filename="f.txt" content-type text/javascript; charset=UTF-8 alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 1055 x-xss-protection 0 expires Fri, 01 Jan 1990 00:00:00 GMT
POST H2	200	collect Show response stats.g.doubleclick.net/j/	1 B 83 B	14ms 14ms	XHR text/plain	2a00:1450:400c:c04::9d GOOGLE
General Check archive.org Show headers Download Go to Full URL https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j90&tid=UA-5145472-38&cid=659911309.1623931352&jid=1003009052&gjid=1920520518&_gid=1362487302.1623931352&_u=YEBAAAAAAAAAAC~&z=497559464 Requested by Host: www.google-analytics.com URL: https://www.google-analytics.com/analytics.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:400c:c04::9d Brussels, Belgium, ASN15169 (GOOGLE, US), Reverse DNS Software Golfe2 / Resource Hash 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b Security Headers Name Value Strict-Transport-Security max-age=10886400; includeSubDomains; preload X-Content-Type-Options nosniff Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Content-Type text/plain Response headers pragma no-cache strict-transport-security max-age=10886400; includeSubDomains; preload x-content-type-options nosniff last-modified Sun, 17 May 1998 03:00:00 GMT server Golfe2 date Thu, 17 Jun 2021 12:02:32 GMT content-type text/plain access-control-allow-origin https://xpro.mit.edu cache-control no-cache, no-store, must-revalidate access-control-allow-credentials true cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000 content-length 1 expires Fri, 01 Jan 1990 00:00:00 GMT
GET H2	200	arrow-circle-right.svg xpro.mit.edu/static/images/	616 B 521 B	17ms 15ms	Image image/svg+xml	2a04:4e42:600::645 FASTLY
General Check archive.org Show headers Download Go to Show image Full URL https://xpro.mit.edu/static/images/arrow-circle-right.svg Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 2a04:4e42:600::645 , United States, ASN54113 (FASTLY, US), Reverse DNS Software nginx / Resource Hash a0b0d48b3a5a4d8edd383968bf196d056d56351a3faecf482d408ec8d54e5604 Request headers :path /static/images/arrow-circle-right.svg pragma no-cache cookie _gcl_au=1.1.733294700.1623931352; _ga=GA1.3.659911309.1623931352; _gid=GA1.3.1362487302.1623931352; _gat_UA-5145472-38=1 accept-encoding gzip, deflate, br accept-language en-US user-agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 sec-fetch-mode no-cors accept image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8 cache-control no-cache sec-fetch-dest image :authority xpro.mit.edu referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css :scheme https sec-fetch-site same-origin :method GET Referer https://xpro.mit.edu/static/bundles/style-fe784efa7d7e6e40cc80.css User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT via 1.1 vegur, 1.1 varnish, 1.1 varnish age 1208547 x-cache HIT, HIT x-cache-hits 1, 1 content-encoding gzip content-length 382 x-served-by cache-bwi5127-BWI, cache-fra19157-FRA last-modified Wed, 02 Jun 2021 12:46:56 GMT server nginx x-timer S1623931352.424623,VS0,VE1 etag "60b77dc0-268" vary Accept-Encoding content-type image/svg+xml access-control-allow-origin * cache-control max-age=315360000 accept-ranges bytes expires Thu, 31 Dec 2037 23:55:55 GMT
GET H3-29	200	id Show response googleads.g.doubleclick.net/pagead/ Frame D5AB	113 B 161 B	14ms 14ms	XHR application/json	2a00:1450:4001:82b::2002 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://googleads.g.doubleclick.net/pagead/id Requested by Host: www.youtube.com URL: https://www.youtube.com/s/player/997fe684/www-embed-player.vflset/www-embed-player.js Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:82b::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software cafe / Resource Hash 648d2b8f2d796b6be58b75bef29a72b0b5dcd4f9424336bbbb7faeb82e22cba1 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding gzip x-content-type-options nosniff p3p policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR" cross-origin-resource-policy cross-origin content-disposition attachment; filename="f.txt" alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 133 x-xss-protection 0 pragma no-cache server cafe content-type application/json; charset=UTF-8 access-control-allow-origin https://www.youtube.com cache-control no-cache, no-store, must-revalidate access-control-allow-credentials true timing-allow-origin * expires Fri, 01 Jan 1990 00:00:00 GMT
GET H2	200	ad_status.js Show response static.doubleclick.net/instream/ Frame D5AB	29 B 423 B	26ms 6ms	Script text/javascript	2a00:1450:4001:82b::2006 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://static.doubleclick.net/instream/ad_status.js Requested by Host: www.youtube.com URL: https://www.youtube.com/s/player/997fe684/www-embed-player.vflset/www-embed-player.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:82b::2006 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash eed0dc1fdb5d97ed188ae16fd5e1024a5bb744af47340346be2146300a6c54b9 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 11:59:00 GMT x-content-type-options nosniff last-modified Thu, 12 Dec 2013 23:40:16 GMT server sffe age 212 content-type text/javascript access-control-allow-origin * cache-control public, max-age=900 cross-origin-resource-policy cross-origin accept-ranges bytes timing-allow-origin * alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 29 x-xss-protection 0 expires Thu, 17 Jun 2021 12:14:00 GMT
GET H3-29	200	remote.js Show response www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/ Frame D5AB	93 KB 29 KB	6ms 6ms	Script text/javascript	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/remote.js Requested by Host: www.youtube.com URL: https://www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/base.js Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 5dee1ca0646a4d4b316fd25e6f4ffda67f3650ff369522b7d8aef3b70ac15ef1 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Tue, 15 Jun 2021 15:00:52 GMT content-encoding br x-content-type-options nosniff last-modified Tue, 15 Jun 2021 01:01:25 GMT server sffe age 162100 vary Accept-Encoding, Origin content-type text/javascript cache-control public, max-age=31536000 cross-origin-resource-policy cross-origin accept-ranges bytes alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 29283 x-xss-protection 0 expires Wed, 15 Jun 2022 15:00:52 GMT
GET H2	200	Plk04VvIO51FvnH88uf5HfFM8FhHGRJP4cFq7FoB5yo.js Show response www.google.com/js/th/ Frame D5AB	35 KB 13 KB	7ms 6ms	Script text/javascript	2a00:1450:4001:80f::2004 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.google.com/js/th/Plk04VvIO51FvnH88uf5HfFM8FhHGRJP4cFq7FoB5yo.js Requested by Host: www.youtube.com URL: https://www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/base.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:80f::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash 3e5934e15bc83b9d45be71fcf2e7f91df14cf0584719124fe1c16aec5a01e72a Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Wed, 16 Jun 2021 15:50:43 GMT content-encoding br x-content-type-options nosniff age 72709 content-security-policy-report-only require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/botguard-scs cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 13321 x-xss-protection 0 last-modified Tue, 08 Jun 2021 13:30:00 GMT server sffe vary Accept-Encoding content-type text/javascript cache-control public, max-age=31536000 accept-ranges bytes expires Thu, 16 Jun 2022 15:50:43 GMT
GET H3-29	200	embed.js Show response www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/ Frame D5AB	25 KB 7 KB	7ms 7ms	Script text/javascript	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/embed.js Requested by Host: www.youtube.com URL: https://www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/base.js Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash a14b9320954426385bad57a756c93f0b5c8a16ad429fc1e792ad2da69dd1a305 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Tue, 15 Jun 2021 15:00:34 GMT content-encoding br x-content-type-options nosniff age 162118 content-security-policy-report-only require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/youtube cross-origin-resource-policy cross-origin alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 7448 x-xss-protection 0 last-modified Tue, 15 Jun 2021 01:01:25 GMT server sffe vary Accept-Encoding, Origin content-type text/javascript cache-control public, max-age=31536000 accept-ranges bytes expires Wed, 15 Jun 2022 15:00:34 GMT
GET DATA	200 OK	truncated / Frame D5AB	175 B 0		Image image/png
General Check archive.org Show headers Download Go to Show image Full URL data:truncated Protocol DATA Server -, , ASN (), Reverse DNS Software / Resource Hash 67ea46bc3d15351067faccb3613bd833dd3f15137a4b4a09f2e873fd41d024d2 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers Content-Type image/png
GET H2	200	AAUvwngo9C0glXuS7jd9PnqpLOl4h3y3GlGzcOOJc3yl=s68-c-k-c0x00ffffff-no-rj yt3.ggpht.com/ytc/ Frame D5AB	2 KB 2 KB	43ms 21ms	Image image/jpeg	2a00:1450:4001:829::2001 GOOGLE
General Check archive.org Show headers Download Go to Show image Full URL https://yt3.ggpht.com/ytc/AAUvwngo9C0glXuS7jd9PnqpLOl4h3y3GlGzcOOJc3yl=s68-c-k-c0x00ffffff-no-rj Requested by Host: www.youtube.com URL: https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:829::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software fife / Resource Hash 0d1250c8a7ff29b9b5ef0904350b98e7f41b4fcdac37da051a0d937f46967573 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT x-content-type-options nosniff age 0 content-disposition inline;filename="unnamed.jpg" alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 1585 x-xss-protection 0 server fife etag "v2b" vary Origin content-type image/jpeg access-control-allow-origin * access-control-expose-headers Content-Length cache-control public, max-age=86400, no-transform timing-allow-origin * expires Sun, 13 Jun 2021 07:30:09 GMT
GET H2	200	sddefault.webp i.ytimg.com/vi_webp/dx4KuzpogVA/ Frame D5AB	10 KB 11 KB	37ms 15ms	Image image/webp	2a00:1450:4001:813::2016 GOOGLE
General Check archive.org Show headers Download Go to Show image Full URL https://i.ytimg.com/vi_webp/dx4KuzpogVA/sddefault.webp Requested by Host: www.youtube.com URL: https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:813::2016 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash b34a46c98e0d1a90c1a55d65c7fae51963c1d121edadb2bdad63707e7ba74507 Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT x-content-type-options nosniff server sffe age 0 etag "1598548160" vary Origin content-type image/webp cache-control public, max-age=7200 cross-origin-resource-policy cross-origin accept-ranges bytes alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 10470 x-xss-protection 0 expires Thu, 17 Jun 2021 14:02:32 GMT
GET H3-29	200	/ www.google.com/pagead/1p-user-list/372651498/	42 B 64 B	20ms 20ms	Image image/gif	2a00:1450:4001:80f::2004 GOOGLE
General Check archive.org Show headers Download Go to Show image Full URL https://www.google.com/pagead/1p-user-list/372651498/?random=1623931352329&cv=9&fst=1623931200000&num=1&guid=ON&eid=2505059650&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=120&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg690&sendb=1&frm=0&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&tiba=Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course&async=1&fmt=3&is_vtc=1&random=1628459469&resp=GooglemKTybQhCsO&rmt_tld=0&ipr=y Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:80f::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software cafe / Resource Hash ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629 Security Headers Name Value Content-Security-Policy script-src 'none'; object-src 'none' X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers pragma no-cache date Thu, 17 Jun 2021 12:02:32 GMT x-content-type-options nosniff server cafe timing-allow-origin * p3p policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC" cache-control no-cache, no-store, must-revalidate cross-origin-resource-policy cross-origin content-security-policy script-src 'none'; object-src 'none' content-type image/gif alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 42 x-xss-protection 0 expires Fri, 01 Jan 1990 00:00:00 GMT
GET H2	200	/ www.google.de/pagead/1p-user-list/372651498/	42 B 108 B	19ms 19ms	Image image/gif	2a00:1450:4001:828::2003 GOOGLE
General Check archive.org Show headers Download Go to Show image Full URL https://www.google.de/pagead/1p-user-list/372651498/?random=1623931352329&cv=9&fst=1623931200000&num=1&guid=ON&eid=2505059650&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=120&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg690&sendb=1&frm=0&url=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&tiba=Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course&async=1&fmt=3&is_vtc=1&random=1628459469&resp=GooglemKTybQhCsO&rmt_tld=1&ipr=y Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software cafe / Resource Hash ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629 Security Headers Name Value Content-Security-Policy script-src 'none'; object-src 'none' X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers pragma no-cache date Thu, 17 Jun 2021 12:02:32 GMT x-content-type-options nosniff server cafe timing-allow-origin * p3p policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC" cache-control no-cache, no-store, must-revalidate cross-origin-resource-policy cross-origin content-security-policy script-src 'none'; object-src 'none' content-type image/gif alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 42 x-xss-protection 0 expires Fri, 01 Jan 1990 00:00:00 GMT
GET H3-29	200	2821860157854382 Show response connect.facebook.net/signals/config/	261 KB 74 KB	72ms 72ms	Script application/x-javascript	2a03:2880:f02d:100:face:b00c:0:3 FACEBOOK
General Check archive.org Show headers Download Go to Full URL https://connect.facebook.net/signals/config/2821860157854382?v=2.9.41&r=stable Requested by Host: connect.facebook.net URL: https://connect.facebook.net/en_US/fbevents.js Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f02d:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software / Resource Hash e04681f797904a91f6a7bb95d0a5f99ce952e0e34d3085a4c8158e741bbb52c1 Security Headers Name Value Content-Security-Policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; Strict-Transport-Security max-age=31536000; preload; includeSubDomains X-Content-Type-Options nosniff X-Frame-Options DENY X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers content-security-policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; content-encoding gzip x-content-type-options nosniff cross-origin-resource-policy cross-origin alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 x-xss-protection 0 pragma public x-fb-debug m9rBnrV31cmcHjIhN30Vx/hzMUA4lkCd0gqLdpUAootV3uMp2uM8CH/gs59IAZ5rQfHT3PqqnUB50QeU/CS9Rg== cross-origin-embedder-policy-report-only require-corp;report-to="coep_report" cross-origin-opener-policy same-origin-allow-popups x-frame-options DENY date Thu, 17 Jun 2021 12:02:32 GMT strict-transport-security max-age=31536000; preload; includeSubDomains report-to {"group":"coep_report","max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/"}]} content-type application/x-javascript; charset=utf-8 vary Accept-Encoding cache-control public, max-age=1200 x-fb-rlafr 0 priority u=3,i expires Sat, 01 Jan 2000 00:00:00 GMT
GET H2	200	4994459.js Show response js.hs-analytics.net/analytics/1623931200000/	62 KB 19 KB	197ms 178ms	Script text/javascript	2606:4700::6811:43b0 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://js.hs-analytics.net/analytics/1623931200000/4994459.js Requested by Host: js.hs-scripts.com URL: https://js.hs-scripts.com/4994459.js Protocol H2 Security TLS 1.2, ECDHE_ECDSA, AES_128_GCM Server 2606:4700::6811:43b0 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 691e01ead6f2035090ea683e3826036c73140705dfb118c3d74312fa9f5b7cee Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding br cf-cache-status MISS x-amz-request-id MAY21PC4A9YREJJ0 x-amz-server-side-encryption AES256 cf-ray 660c212a5a3e4dca-FRA x-amz-id-2 HMpfhDrO9gTSMn1fXGBPi8qtxvMh4JS7uLYMwAb2vJ4F5PI3Y+XYp/rp0Mb2kvD25ii2SEc2Xhw= last-modified Wed, 12 May 2021 19:46:24 GMT server cloudflare etag W/"1645b27ccc16e4ddc7adbb81dfb70d70" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" vary Accept-Encoding x-amz-version-id null cache-control max-age=300, public access-control-allow-credentials false cf-request-id 0abb730e7400004dca47142000000001 content-type text/javascript expires Thu, 17 Jun 2021 12:07:32 GMT
GET H2	200	4994459.js Show response js.hs-banner.com/	59 KB 15 KB	404ms 385ms	Script text/javascript	2606:4700::6812:14bf CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://js.hs-banner.com/4994459.js Requested by Host: js.hs-scripts.com URL: https://js.hs-scripts.com/4994459.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2606:4700::6812:14bf , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 8424f8359653714fe1cec669de48cfd534c977bd56e6617df70cbfb869beeba4 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT content-encoding br cf-cache-status REVALIDATED x-amz-request-id 6N3S7D9KYKVA06AC x-amz-server-side-encryption AES256 content-type text/javascript; charset=UTF-8 access-control-max-age 604800 x-amz-id-2 PvF7ntvbMYhmRamXsD/ex3JzZ/Z/Y6Ogn3Jb8BLsKRmzxh3+nJjDtiFmKDoV6NOakkSH6ebgCZo= timing-allow-origin * last-modified Thu, 27 May 2021 17:10:26 GMT server cloudflare etag W/"f11a3dfda8c707ecb6fb26be4fb233f9" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" vary Accept-Encoding access-control-allow-methods GET, OPTIONS, PUT, POST, DELETE, PATCH, HEAD x-amz-version-id A8bXNFfJyqjHgyTeTm6eJv.Frh0EswD6 access-control-allow-origin https://xpro.mit.edu access-control-expose-headers x-last-modified-timestamp, X-HubSpot-NotFound, X-HS-User-Request, Link, Server-Timing cache-control max-age=300, public access-control-allow-credentials true cf-request-id 0abb730e7400004e1390ab4000000001 cf-ray 660c212a5f2a4e13-FRA access-control-allow-headers Origin, X-Requested-With, Content-Type, Accept, Accept-Charset, Accept-Encoding, X-Override-Internal-Permissions, X-Properties-Source, X-Properties-SourceId, X-Properties-Flag, X-Hubspot-User-Id, X-Hubspot-Trace, X-Hubspot-Callee, X-Hubspot-Offset, X-Hubspot-No-Trace, X-HubSpot-Static-App-Info, X-HubSpot-Messages-Uri, X-HubSpot-Request-Source, X-HubSpot-Request-Reason, Subscription-Billing-Auth-Token, X-App-CSRF, X-Tools-CSRF, Online-Payment-Signing-UUID, X-Source, X-SourceId, X-Origin-UserId, X-Biden-Request-Source, X-HubSpot-CSRF-hubspotapi, X-Force-Cookie-Refresh, X-Force-Cookie-Refresh-No-Cache, X-HS-User-Request, X-Application-Id, X-HS-Referer, X-HubSpot-Correlation-Id expires Thu, 17 Jun 2021 12:07:33 GMT
GET H2	200	preload.c583ea409bb679649986.js Show response static.zdassets.com/web_widget/latest/ Frame B159	101 KB 31 KB	36ms 35ms	Script application/javascript	104.18.72.113 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://static.zdassets.com/web_widget/latest/preload.c583ea409bb679649986.js Requested by Host: static.zdassets.com URL: https://static.zdassets.com/ekr/snippet.js?key=8ef9ef96-3317-40a9-8ef6-de0737503caa Protocol H2 Security TLS 1.3, , AES_128_GCM Server 104.18.72.113 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 5cb3fabc20a570d186ccec8f07cd4e2ad36aefaadf98ec68bf0364080d5a611f Security Headers Name Value Strict-Transport-Security max-age=0 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding br vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 114673 x-amz-server-side-encryption AES256 x-amz-replication-status COMPLETED x-amz-request-id SE0CM2HRZVRGA5VF x-amz-id-2 L5ZDSDM9rDZPE6lHdDNI9VrCYsgM0yw4SXVVSzwiE/yURZWxtaL3i+v/TqzmZ+NHHySHrPPfI40= last-modified Wed, 09 Jun 2021 01:46:03 GMT server cloudflare etag W/"856f828ef4426cd96eb7b9e8cf61c573" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=0 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=zYnr2xodsurD16mq29mV1XsTe4gxzZSkDiJh8pHT8eC6myZdTEJfE4%2BlS5M8KT1btzApD1nw43Fop8T06AlkCgw0cF79cWReXFz8M7hzeZ8LRLvQ2TCbgdyewiQLHWDc"}],"group":"cf-nel","max_age":604800} content-type application/javascript; charset=utf-8 cache-control public, max-age=31536000 x-amz-version-id .8fwgkN3GapLHdhBbR4L1RGCTIfJS8yW cf-request-id 0abb730e710000088b2cac5000000001 cf-ray 660c212a4d00088b-CDG expires Thu, 09 Jun 2022 01:46:02 GMT
GET H2	200	framework.d3fd9e92e5d33c8d170f.chunk.js Show response static.zdassets.com/web_widget/latest/ Frame B159	54 KB 17 KB	30ms 29ms	Script application/javascript	104.18.72.113 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://static.zdassets.com/web_widget/latest/framework.d3fd9e92e5d33c8d170f.chunk.js Requested by Host: static.zdassets.com URL: https://static.zdassets.com/ekr/snippet.js?key=8ef9ef96-3317-40a9-8ef6-de0737503caa Protocol H2 Security TLS 1.3, , AES_128_GCM Server 104.18.72.113 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash d4daaf7db3bd9fa48e964b439f40d3803d24b349f3708406c2c967edd5822b73 Security Headers Name Value Strict-Transport-Security max-age=0 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding br vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 114673 x-amz-server-side-encryption AES256 x-amz-replication-status COMPLETED x-amz-request-id SE02036HHAHA2XW6 x-amz-id-2 hxJFYzH/OSUdT06vgs4L+NXdn4FGulZQvViz48BdeVX3n9W23gIon4PUKCfPk7Dktk2+Ne4hr3M= last-modified Wed, 09 Jun 2021 01:45:10 GMT server cloudflare etag W/"b6dcdf750ac3a92040a608d5a7aab705" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=0 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=eaM6nnfC9Sv0h5W4PiopFKDHY%2F7ZVyKuT0q0WMze%2BNwHJ0hw0ly%2BGjfdmMwrWG7o54mArp1N2qteyU%2BREu68uxSI8IlA%2FGxS2QzAkDqh2CX5cslHGrLPIbiGNkOSy10q"}],"group":"cf-nel","max_age":604800} content-type application/javascript; charset=utf-8 cache-control public, max-age=31536000 x-amz-version-id PgHAqxv155Cel_uQfd_DCVtmA9wDCYp4 cf-request-id 0abb730e720000088b86947000000001 cf-ray 660c212a4d02088b-CDG expires Thu, 09 Jun 2022 01:45:09 GMT
GET H2	200	vendors~framework.36eee7cccf163fbefea5.chunk.js Show response static.zdassets.com/web_widget/latest/ Frame B159	153 KB 47 KB	55ms 54ms	Script application/javascript	104.18.72.113 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://static.zdassets.com/web_widget/latest/vendors~framework.36eee7cccf163fbefea5.chunk.js Requested by Host: static.zdassets.com URL: https://static.zdassets.com/ekr/snippet.js?key=8ef9ef96-3317-40a9-8ef6-de0737503caa Protocol H2 Security TLS 1.3, , AES_128_GCM Server 104.18.72.113 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 1ef47fe10a3c5cf314651f1bbb849c2e1307016b3f8f2af48aef63c0264d31cb Security Headers Name Value Strict-Transport-Security max-age=0 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding br vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 892633 x-amz-server-side-encryption AES256 x-amz-replication-status COMPLETED x-amz-request-id ZKR1CHMC0SVYJTF4 x-amz-id-2 ZKHSs1lZ3yIqVqlatrWTqluxKdD3FSfmUx2mve9vbHsE758n+x2wpvMoUTevvLpqRfwQGMjCJIw= last-modified Sun, 06 Jun 2021 02:29:56 GMT server cloudflare etag W/"ee8c5e5573957abc0d4d6ce6c7b16363" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=0 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=dOOY507mqAzOWMnC7yXnJMHGileSuEAde7nUgOsApS1fVbejDD7aXUEos0o6jK36SbhTYfZUeVhFCDilCymDw6rnbq9SWdVfkiJCb7nx6hUiD9Hyapv1m2MHn%2B2810iX"}],"group":"cf-nel","max_age":604800} content-type application/javascript; charset=utf-8 cache-control public, max-age=31536000 x-amz-version-id 0xIV2Vr.XOnJ.O425D6JpXZVec6pAsUl cf-request-id 0abb730e720000088b40bbf000000001 cf-ray 660c212a5d03088b-CDG expires Mon, 06 Jun 2022 02:29:55 GMT
GET H2	200	cast_sender.js Show response www.gstatic.com/cv/js/sender/v1/ Frame D5AB	4 KB 2 KB	15ms 14ms	Script text/javascript	2a00:1450:4001:831::2003 GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.gstatic.com/cv/js/sender/v1/cast_sender.js Requested by Host: www.youtube.com URL: https://www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/base.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2a00:1450:4001:831::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software sffe / Resource Hash ee147e859ad0f09aa50367974e38ab53e7c7054c4a51d400a7f45b0eb251454f Security Headers Name Value X-Content-Type-Options nosniff X-Xss-Protection 0 Request headers Referer https://www.youtube.com/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT content-encoding gzip content-security-policy-report-only require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/cloudview last-modified Tue, 16 Feb 2021 23:57:06 GMT server sffe x-content-type-options nosniff vary Accept-Encoding content-type text/javascript cache-control private, max-age=3000 cross-origin-resource-policy cross-origin accept-ranges bytes alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 2007 x-xss-protection 0 expires Thu, 17 Jun 2021 12:02:32 GMT
GET H3-29	204	generate_204 www.youtube.com/ Frame D5AB	0 9 B	7ms 6ms	Image text/plain	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Show image Full URL https://www.youtube.com/generate_204?XD3aEw Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software / Resource Hash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 Request headers Referer https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 0
GET H2	200	config Show response xpro.zendesk.com/embeddable/	512 B 1 KB	210ms 155ms	XHR application/json	104.16.51.111 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://xpro.zendesk.com/embeddable/config Requested by Host: static.zdassets.com URL: https://static.zdassets.com/ekr/snippet.js?key=8ef9ef96-3317-40a9-8ef6-de0737503caa Protocol H2 Security TLS 1.2, ECDHE_ECDSA, AES_128_GCM Server 104.16.51.111 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 0b047694e3bbb8f975a66363cee90712826e65dca6bafe96ed292c1c09352284 Security Headers Name Value X-Content-Type-Options nosniff Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT content-encoding br x-content-type-options nosniff cf-cache-status EXPIRED nel {"report_to":"cf-nel","max_age":604800} x-zendesk-origin-server embeddable-app-server-67c8ccb6df-567xp access-control-allow-methods GET vary Origin, Accept-Encoding cf-request-id 0abb730f2f0000a8d9be3be000000001 x-request-id 660c212b7ce5a8d9-EWR x-runtime 0.002069 server cloudflare expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" access-control-max-age 1728000 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=LSK066kinV3pmOJCjrKS4SZ6a%2BQTJ9J3T909fmumOgk%2BgDxb%2BB4%2B5XfbGwySyEsEVktsYvfOu7tdKuwza%2FYuXlU1NkcDMZCMsWCukgKYZf1PvOFpS16cdaSCaGW6"}],"group":"cf-nel","max_age":604800} content-type application/json; charset=utf-8 access-control-allow-origin * access-control-expose-headers cache-control public, max-age=60, stale-while-revalidate=600, stale-if-error=3600 cf-ray 660c212b7ce5a8d9-CDG
GET H3-29	200	752654432048884 Show response connect.facebook.net/signals/config/	261 KB 74 KB	61ms 60ms	Script application/x-javascript	2a03:2880:f02d:100:face:b00c:0:3 FACEBOOK
General Check archive.org Show headers Download Go to Full URL https://connect.facebook.net/signals/config/752654432048884?v=2.9.41&r=stable Requested by Host: connect.facebook.net URL: https://connect.facebook.net/en_US/fbevents.js Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f02d:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software / Resource Hash d5c46fce824bf29efc7b4959379ca49c831f6f586d2489ee1195c5c054aef8bb Security Headers Name Value Content-Security-Policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; Strict-Transport-Security max-age=31536000; preload; includeSubDomains X-Content-Type-Options nosniff X-Frame-Options DENY X-Xss-Protection 0 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers content-security-policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c; content-encoding gzip x-content-type-options nosniff cross-origin-resource-policy cross-origin alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 x-xss-protection 0 pragma public x-fb-debug 9ItlqGy9iTEuMB6elQscy+8Rl/u7e9RUz7k23ReJUGAtLZMQ9CF7Zv3acZE0ZJoZGJPfzEISGRAp3jpl+2P5nw== cross-origin-embedder-policy-report-only require-corp;report-to="coep_report" cross-origin-opener-policy same-origin-allow-popups x-frame-options DENY date Thu, 17 Jun 2021 12:02:32 GMT strict-transport-security max-age=31536000; preload; includeSubDomains report-to {"group":"coep_report","max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/"}]} content-type application/x-javascript; charset=utf-8 vary Accept-Encoding cache-control public, max-age=1200 x-fb-rlafr 0 priority u=3,i expires Sat, 01 Jan 2000 00:00:00 GMT
GET H3-29	200	/ www.facebook.com/tr/	44 B 88 B	7ms 6ms	Image image/gif	2a03:2880:f12d:181:face:b00c:0:25de FACEBOOK
General Check archive.org Show headers Download Go to Show image Full URL https://www.facebook.com/tr/?id=458392838333521&ev=PageView&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&rl=&if=false&ts=1623931352855&sw=1600&sh=1200&v=2.9.41&r=stable&a=fmc-idimension&ec=0&o=30&fbp=fb.1.1623931352853.1403451567&it=1623931352310&coo=false&rqm=GET Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f12d:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software proxygen-bolt / Resource Hash 10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT last-modified Fri, 21 Dec 2012 00:00:01 GMT server proxygen-bolt strict-transport-security max-age=31536000; includeSubDomains content-type image/gif cache-control no-cache, must-revalidate, max-age=0 cross-origin-resource-policy cross-origin content-length 44 alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 priority u=3,i expires Thu, 17 Jun 2021 12:02:32 GMT
GET H3-29	200	/ www.facebook.com/tr/	44 B 88 B	7ms 7ms	Image image/gif	2a03:2880:f12d:181:face:b00c:0:25de FACEBOOK
General Check archive.org Show headers Download Go to Show image Full URL https://www.facebook.com/tr/?id=2821860157854382&ev=PageView&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&rl=&if=false&ts=1623931352859&sw=1600&sh=1200&v=2.9.41&r=stable&a=fmc-idimension&ec=0&o=30&fbp=fb.1.1623931352853.1403451567&it=1623931352310&coo=false&rqm=GET Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f12d:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software proxygen-bolt / Resource Hash 10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT last-modified Fri, 21 Dec 2012 00:00:01 GMT server proxygen-bolt strict-transport-security max-age=31536000; includeSubDomains content-type image/gif cache-control no-cache, must-revalidate, max-age=0 cross-origin-resource-policy cross-origin content-length 44 alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 priority u=3,i expires Thu, 17 Jun 2021 12:02:32 GMT
GET H3-29	200	/ www.facebook.com/tr/	44 B 88 B	8ms 7ms	Image image/gif	2a03:2880:f12d:181:face:b00c:0:25de FACEBOOK
General Check archive.org Show headers Download Go to Show image Full URL https://www.facebook.com/tr/?id=752654432048884&ev=PageView&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&rl=&if=false&ts=1623931352949&sw=1600&sh=1200&v=2.9.41&r=stable&a=fmc-idimension&ec=0&o=30&fbp=fb.1.1623931352853.1403451567&it=1623931352310&coo=false&rqm=GET Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f12d:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software proxygen-bolt / Resource Hash 10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT last-modified Fri, 21 Dec 2012 00:00:01 GMT server proxygen-bolt strict-transport-security max-age=31536000; includeSubDomains content-type image/gif cache-control no-cache, must-revalidate, max-age=0 cross-origin-resource-policy cross-origin content-length 44 alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 priority u=3,i expires Thu, 17 Jun 2021 12:02:32 GMT
GET H3-29	200	/ www.facebook.com/tr/	44 B 88 B	9ms 7ms	Image image/gif	2a03:2880:f12d:181:face:b00c:0:25de FACEBOOK
General Check archive.org Show headers Download Go to Show image Full URL https://www.facebook.com/tr/?id=458392838333521&ev=ViewContent&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&rl=&if=false&ts=1623931352950&cd[content_name]=xPRO%2BLASERxE1&cd[content_type]=product&cd[content_ids]=%5B%22course-v1%3AxPRO%2BLASERxE1%22%5D&cd[value]=1149.00&cd[currency]=USD&sw=1600&sh=1200&v=2.9.41&r=stable&a=fmc-idimension&ec=1&o=30&fbp=fb.1.1623931352853.1403451567&it=1623931352310&coo=false&rqm=GET Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f12d:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software proxygen-bolt / Resource Hash 10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT last-modified Fri, 21 Dec 2012 00:00:01 GMT server proxygen-bolt strict-transport-security max-age=31536000; includeSubDomains content-type image/gif cache-control no-cache, must-revalidate, max-age=0 cross-origin-resource-policy cross-origin content-length 44 alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 priority u=3,i expires Thu, 17 Jun 2021 12:02:32 GMT
GET H3-29	200	/ www.facebook.com/tr/	44 B 88 B	9ms 8ms	Image image/gif	2a03:2880:f12d:181:face:b00c:0:25de FACEBOOK
General Check archive.org Show headers Download Go to Show image Full URL https://www.facebook.com/tr/?id=2821860157854382&ev=ViewContent&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&rl=&if=false&ts=1623931352951&cd[content_name]=xPRO%2BLASERxE1&cd[content_type]=product&cd[content_ids]=%5B%22course-v1%3AxPRO%2BLASERxE1%22%5D&cd[value]=1149.00&cd[currency]=USD&sw=1600&sh=1200&v=2.9.41&r=stable&a=fmc-idimension&ec=1&o=30&fbp=fb.1.1623931352853.1403451567&it=1623931352310&coo=false&rqm=GET Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f12d:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software proxygen-bolt / Resource Hash 10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT last-modified Fri, 21 Dec 2012 00:00:01 GMT server proxygen-bolt strict-transport-security max-age=31536000; includeSubDomains content-type image/gif cache-control no-cache, must-revalidate, max-age=0 cross-origin-resource-policy cross-origin content-length 44 alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 priority u=3,i expires Thu, 17 Jun 2021 12:02:32 GMT
GET H3-29	200	/ www.facebook.com/tr/	44 B 88 B	9ms 8ms	Image image/gif	2a03:2880:f12d:181:face:b00c:0:25de FACEBOOK
General Check archive.org Show headers Download Go to Show image Full URL https://www.facebook.com/tr/?id=752654432048884&ev=ViewContent&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&rl=&if=false&ts=1623931352952&cd[content_name]=xPRO%2BLASERxE1&cd[content_type]=product&cd[content_ids]=%5B%22course-v1%3AxPRO%2BLASERxE1%22%5D&cd[value]=1149.00&cd[currency]=USD&sw=1600&sh=1200&v=2.9.41&r=stable&a=fmc-idimension&ec=1&o=30&fbp=fb.1.1623931352853.1403451567&it=1623931352310&coo=false&rqm=GET Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f12d:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software proxygen-bolt / Resource Hash 10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:32 GMT last-modified Fri, 21 Dec 2012 00:00:01 GMT server proxygen-bolt strict-transport-security max-age=31536000; includeSubDomains content-type image/gif cache-control no-cache, must-revalidate, max-age=0 cross-origin-resource-policy cross-origin content-length 44 alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 priority u=3,i expires Thu, 17 Jun 2021 12:02:32 GMT
GET H2	200	en-us-json.8a35c1a7479e66f87c5c.chunk.js Show response static.zdassets.com/web_widget/latest/locales/ Frame B159	29 KB 6 KB	34ms 34ms	Script application/javascript	104.18.72.113 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://static.zdassets.com/web_widget/latest/locales/en-us-json.8a35c1a7479e66f87c5c.chunk.js Requested by Host: static.zdassets.com URL: https://static.zdassets.com/web_widget/latest/preload.c583ea409bb679649986.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 104.18.72.113 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash f72d1c7d8c9b8a712a620d3af92a2b27beb87c70497d63b136945afe0709035a Security Headers Name Value Strict-Transport-Security max-age=0 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT content-encoding br vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 1321352 x-amz-server-side-encryption AES256 x-amz-replication-status COMPLETED x-amz-request-id 4Q31RWQWQF9E0MSY x-amz-id-2 z/XhUAU4n1kkkoqBFDrKwsefqt1dYFgmPYrmOj5Haji+pDYn5LZRPHGGmlOqbZMe+gYGncp/qIo= last-modified Tue, 01 Jun 2021 06:54:45 GMT server cloudflare etag W/"3cb4c3f2e0cc06a3495ae86b07b8efde" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=0 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=QgG9OLbVx5FtQNYcBfkQEGNyBgovJjiZPocYzvITrEpnJ3LyD%2FmSP2gLweCyXn364wna5TcIZOixkAfXaSSPvZyOmYz1G8RRIxznClgyScxrcIqPXlYYaxIBizxwkDZB"}],"group":"cf-nel","max_age":604800} content-type application/javascript; charset=utf-8 cache-control public, max-age=31536000 x-amz-version-id t1WqzR5a2z6d_3nwpJOJTqn5N3Msamnz cf-request-id 0abb730fcf0000088b5f156000000001 cf-ray 660c212c7ac1088b-CDG expires Wed, 01 Jun 2022 06:54:44 GMT
GET H2	200	web_widget~messenger.0312ce48dc4b805875db.chunk.js Show response static.zdassets.com/web_widget/latest/vendors~lazy/ Frame B159	283 KB 85 KB	43ms 43ms	Script application/javascript	104.18.72.113 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://static.zdassets.com/web_widget/latest/vendors~lazy/web_widget~messenger.0312ce48dc4b805875db.chunk.js Requested by Host: static.zdassets.com URL: https://static.zdassets.com/web_widget/latest/preload.c583ea409bb679649986.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 104.18.72.113 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash e30892b600bc709977b33838e7e66ba37f019e4f12dab29cf69f28c57aa91050 Security Headers Name Value Strict-Transport-Security max-age=0 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT content-encoding br vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 3911568 x-amz-server-side-encryption AES256 x-amz-replication-status COMPLETED x-amz-request-id CGKHKEK7NGB4T2PW x-amz-id-2 a8HchwrNV6RzKcprC2viy/UfBGO/jvxPOvYwT4GgjoC5kcP1sGm4FnLN2xu2csyFQDPX5WRZmfw= last-modified Mon, 03 May 2021 05:04:50 GMT server cloudflare etag W/"0b5af12395443e6f33ba197fd1e0c0ab" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=0 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=ywlA5bexLN48OgWlR3Gxd5VYBGNJtThqgNQ%2Fj99zaPcKotSKhWeQtJr8HFPyNzvRzTGlIKWdDxJ%2FyfZ87KHIVhuGvfAkQxxB8yTBccjkMH4haXHOQxxRJNesiW3b%2Byp1"}],"group":"cf-nel","max_age":604800} content-type application/javascript; charset=utf-8 cache-control public, max-age=31536000 x-amz-version-id 7DXan2WJ1Nrs_UodTgTQN_dMWAkXMx_Q cf-request-id 0abb730fcf0000088b800b4000000001 cf-ray 660c212c7ac2088b-CDG expires Tue, 03 May 2022 05:04:49 GMT
GET H2	200	web_widget.b354a725d0903b46a02c.chunk.js Show response static.zdassets.com/web_widget/latest/vendors~lazy/ Frame B159	175 KB 43 KB	33ms 33ms	Script application/javascript	104.18.72.113 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://static.zdassets.com/web_widget/latest/vendors~lazy/web_widget.b354a725d0903b46a02c.chunk.js Requested by Host: static.zdassets.com URL: https://static.zdassets.com/web_widget/latest/preload.c583ea409bb679649986.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 104.18.72.113 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash 3073cad483f6ed9c484cd090b0a3c7041c7a869e778f99cb4d8fbc038b1761cf Security Headers Name Value Strict-Transport-Security max-age=0 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT content-encoding br vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 784367 x-amz-server-side-encryption AES256 x-amz-replication-status COMPLETED x-amz-request-id V9V6BE1CEMEFBTEF x-amz-id-2 PoFeIKHcz5UAfWGs9qeI5JYKI/cG5J/Xk3DcMyHRt+os1RJd8ccsi+ATzGWpVC4ruQAub47Ym2E= last-modified Tue, 08 Jun 2021 06:45:53 GMT server cloudflare etag W/"dbb679c0c448869b30c425845c23c8e4" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=0 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=hzpNB%2BkBW%2FCjt42q3JcRyXSzQHNZTDGojTaVy77ZQscCX00xrSvYPwbMTrWW61%2FfvCLGy0jNXtrlHY32UpeBRrg58sEP1aVyNxbaC12oOeAdsdDaHUBYJ%2FAO1oo%2BnQVA"}],"group":"cf-nel","max_age":604800} content-type application/javascript; charset=utf-8 cache-control public, max-age=31536000 x-amz-version-id DJgjDP9ZywFcTWxc3Xn0HTOFa_pPp9OR cf-request-id 0abb730fcf0000088b3d90d000000001 cf-ray 660c212c7ac3088b-CDG expires Wed, 08 Jun 2022 06:45:52 GMT
GET H2	200	web_widget.bb880db00b85aca01579.chunk.js Show response static.zdassets.com/web_widget/latest/lazy/ Frame B159	434 KB 85 KB	37ms 37ms	Script application/javascript	104.18.72.113 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://static.zdassets.com/web_widget/latest/lazy/web_widget.bb880db00b85aca01579.chunk.js Requested by Host: static.zdassets.com URL: https://static.zdassets.com/web_widget/latest/preload.c583ea409bb679649986.js Protocol H2 Security TLS 1.3, , AES_128_GCM Server 104.18.72.113 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash bc32f1a18023487698e1129835b33ff4039281debf7532a543927540cf6dab07 Security Headers Name Value Strict-Transport-Security max-age=0 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT content-encoding br vary Accept-Encoding cf-cache-status HIT nel {"report_to":"cf-nel","max_age":604800} age 5659 x-amz-server-side-encryption AES256 x-amz-replication-status COMPLETED x-amz-request-id SE0E056HYV8ZZH6W x-amz-id-2 ITjpeeoox1rXJBpvOE5OpFnnYpw9i0uIKmQRe+en+edr2I4IgAigqfg0qFQsxioiLdsxjblTUIs= last-modified Wed, 09 Jun 2021 01:45:12 GMT server cloudflare etag W/"c0057a898d73891b3bddbc5f17a9d3c0" expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=0 report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=Qnf3R0JsB4%2FdTcTZdgQjFEG%2BRsvEiF3OPIUnwkTZgAROs7MK89RKnGcVa%2BMdDC537htqJ%2B4ysJqd6e4jjm7gY7t3J6k23LF3aJp6Sk3V%2BECGmTiDOeakLl6mNbKMnh6L"}],"group":"cf-nel","max_age":604800} content-type application/javascript; charset=utf-8 cache-control public, max-age=31536000 x-amz-version-id cCnQ_rPIXlwSLQG58lrh2rEJZILq.I.Y cf-request-id 0abb730fd40000088b7d1d2000000001 cf-ray 660c212c7ac4088b-CDG expires Thu, 09 Jun 2022 01:45:11 GMT
GET H2	200	nr-1209.min.js Show response js-agent.newrelic.com/	31 KB 12 KB	78ms 24ms	Script application/javascript	151.101.114.110 FASTLY
General Check archive.org Show headers Download Go to Full URL https://js-agent.newrelic.com/nr-1209.min.js Requested by Host: xpro.mit.edu URL: https://xpro.mit.edu/courses/course-v1:xPRO+LASERxE1/ Protocol H2 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 151.101.114.110 Frankfurt am Main, Germany, ASN54113 (FASTLY, US), Reverse DNS Software AmazonS3 / Resource Hash 1676a8158867ca736ff0a960b9300b8e0e8c016faa2b3211d54d1317213be669 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers x-amz-version-id Ilyf2heqjbcb6UZHMuleD6bz44kdIrhk content-encoding gzip etag "ceffb14d16467e17c5360bf7880099fa" x-amz-request-id 9YTDKWS1KTJXVYR4 x-cache HIT content-length 11738 x-amz-id-2 63K0lT5syZe/JXm2RFqz3WvEIKlzAnzZaX0a32Ic9IwKZ+jnpxTdn4e7D+ymi1CMhPNPcBqN3b0= x-served-by cache-hhn4049-HHN last-modified Thu, 20 May 2021 23:21:18 GMT server AmazonS3 x-timer S1623931353.147189,VS0,VE0 date Thu, 17 Jun 2021 12:02:33 GMT vary Accept-Encoding content-type application/javascript via 1.1 varnish cache-control public, max-age=7200, stale-if-error=604800 accept-ranges bytes x-cache-hits 4595
GET H2	200	__ptq.gif track.hubspot.com/	45 B 382 B	108ms 91ms	Image image/gif	2606:4700::6813:9b53 CLOUDFLARENET
General Check archive.org Show headers Download Go to Show image Full URL https://track.hubspot.com/__ptq.gif?k=15&fi=6f7e46ec-f757-43a4-b109-597210df0f75&fci=635bc0aa-e703-4f4e-b34e-3acba3dea545&ft=0&sd=1600x1200&cd=24-bit&cs=UTF-8&ln=en-us&bfp=2736934676&v=1.1&a=4994459&pu=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&t=Enroll+in+MIT%27s+System+Thinking+Online+Course&cts=1623931353090&vi=dbdd778607ea42de6ac8ead864b9dcf0&nc=true&ce=false&cc=0 Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2606:4700::6813:9b53 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash dc111a70984a9eda00752b06277113029ef288f1125c31eff2477413e15e8aa4 Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains; preload Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT vary Accept-Encoding cf-cache-status DYNAMIC nel {"report_to":"cf-nel","max_age":604800} x-hubspot-correlation-id 5d7909e3-7d72-407c-810f-1d6427408320 cf-ray 660c212cf8e7dfbf-FRA p3p CP="NOI CUR ADM OUR NOR STA NID" alt-svc h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400 content-length 45 cf-request-id 0abb73101d0000dfbf318c6000000001 server cloudflare expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=31536000; includeSubDomains; preload report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=weRj3FZY4RSb10eHIu1PkVo5AqWUQXrCyuZHPwo6zBJxITiz7OMlXyQ0225KNNfO8cHQ2M2m7ha1vIGp5x17cfo5PDvnkJ0X%2FBdLQ%2BfltV2b8VO%2F1vGLkoyN5Sm9NhXJHxSqIs4NCcsyqw%3D%3D"}],"group":"cf-nel","max_age":604800} content-type image/gif cache-control no-cache, no-store, no-transform access-control-allow-credentials false x-robots-tag none
GET H2	200	__ptq.gif track.hubspot.com/	45 B 819 B	92ms 76ms	Image image/gif	2606:4700::6813:9b53 CLOUDFLARENET
General Check archive.org Show headers Download Go to Show image Full URL https://track.hubspot.com/__ptq.gif?k=1&sd=1600x1200&cd=24-bit&cs=UTF-8&ln=en-us&bfp=2736934676&v=1.1&a=4994459&pu=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&t=Enroll+in+MIT%27s+System+Thinking+Online+Course&cts=1623931353091&vi=dbdd778607ea42de6ac8ead864b9dcf0&nc=true&ce=false&cc=0 Protocol H2 Security TLS 1.3, , AES_128_GCM Server 2606:4700::6813:9b53 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash dc111a70984a9eda00752b06277113029ef288f1125c31eff2477413e15e8aa4 Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains; preload Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT vary Accept-Encoding cf-cache-status DYNAMIC nel {"report_to":"cf-nel","max_age":604800} x-hubspot-correlation-id e8e4a7c3-e8a0-4e0c-a0fe-84b7a674c87e cf-ray 660c212cf8ecdfbf-FRA p3p CP="NOI CUR ADM OUR NOR STA NID" alt-svc h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400 content-length 45 cf-request-id 0abb7310170000dfbff89b8000000001 server cloudflare expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" strict-transport-security max-age=31536000; includeSubDomains; preload report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=4ptWCzQ%2FYIP0tUI9o7cnCw90g0%2FbzdqZ1iY9o5RX3Rm0FfDrJkfjEVqD2Ev2N9TZdnKZdHXuA4ZaHj6xgNlSuCLRVOATVH%2FMqjrjYqOaVrq1WiZAqVqWB0sT1UuuFtrpDSmJqkk4Qj1X5Q%3D%3D"}],"group":"cf-nel","max_age":604800} content-type image/gif cache-control no-cache, no-store, no-transform access-control-allow-credentials false x-robots-tag none
GET H2	200	embeddable_blip Show response xpro.zendesk.com/ Frame B159	0 284 B	447ms 446ms	XHR text/html	104.16.51.111 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://xpro.zendesk.com/embeddable_blip?type=pageView&data=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 Requested by Host: static.zdassets.com URL: https://static.zdassets.com/web_widget/latest/vendors~framework.36eee7cccf163fbefea5.chunk.js Protocol H2 Security TLS 1.2, ECDHE_ECDSA, AES_128_GCM Server 104.16.51.111 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT content-encoding br cf-cache-status MISS nel {"report_to":"cf-nel","max_age":604800} server cloudflare expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" vary Accept-Encoding report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=UsjDQwTxxJhhQf15bS0rRnaTtu%2Fslvn7hj7iMBnhW5E1my4adcMDGoEQ3QOwkOjA5dGlN5Y2UEfVqUuiBnB0sdBLmzLCnhTqpudyteDHJTr5LPi%2FUZGI9TRFrEr2"}],"group":"cf-nel","max_age":604800} content-type text/html; charset=utf-8 access-control-allow-origin https://xpro.mit.edu cache-control no-store, no-cache, must-revalidate cf-ray 660c212dae12a8d9-CDG cf-request-id 0abb7310870000a8d9b2937000000001
GET H2	200	embeddable_blip Show response xpro.zendesk.com/ Frame B159	0 364 B	133ms 133ms	XHR text/html	104.16.51.111 CLOUDFLARENET
General Check archive.org Show headers Download Go to Full URL https://xpro.zendesk.com/embeddable_blip?type=performance&data=eyJwZXJmb3JtYW5jZSI6eyJpbml0SW50ZXJ2YWwiOjEyNjcsImNvbmZpZ0xvYWRUaW1lIjoxOTh9LCJidWlkIjoiYTdkNjhmNDY1YzYzOWYyOWQ4Y2U3YjY2MzZhNDY1N2QiLCJzdWlkIjoiYWQzYTJiYjBlMjFhOWQwNzAyYWIxNDk5ZWRmNzA3NTUiLCJ2ZXJzaW9uIjoiNmRmODRhZjQ2IiwidGltZXN0YW1wIjoiMjAyMS0wNi0xN1QxMjowMjozMy4yMTZaIiwidXJsIjoiaHR0cHM6Ly94cHJvLm1pdC5lZHUvY291cnNlcy9jb3Vyc2UtdjE6eFBSTytMQVNFUnhFMS8ifQ%3D%3D Requested by Host: static.zdassets.com URL: https://static.zdassets.com/web_widget/latest/vendors~framework.36eee7cccf163fbefea5.chunk.js Protocol H2 Security TLS 1.2, ECDHE_ECDSA, AES_128_GCM Server 104.16.51.111 , United States, ASN13335 (CLOUDFLARENET, US), Reverse DNS Software cloudflare / Resource Hash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 Request headers Referer User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT content-encoding br cf-cache-status MISS nel {"report_to":"cf-nel","max_age":604800} server cloudflare expect-ct max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" vary Accept-Encoding report-to {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v2?s=6Td6W0h94AEDvigrn2hx28iIDREr893RGHehckz%2BZec3H8xWw4qr8qmo3fxWTRWEleP7shSOB4deITFLWPt2i12UjWgzUc0Al2LYHMK1jiRNJ%2FrZPxeXq%2BnYWZqf"}],"group":"cf-nel","max_age":604800} content-type text/html; charset=utf-8 access-control-allow-origin https://xpro.mit.edu cache-control no-store, no-cache, must-revalidate cf-ray 660c212dae13a8d9-CDG cf-request-id 0abb7310880000a8d9ae161000000001
GET H/1.1	200 OK	18b83da98c Show response bam.nr-data.net/1/	57 B 275 B	424ms 105ms	Script text/javascript	162.247.242.21 NEWRELIC-AS-1
General Check archive.org Show headers Download Go to Full URL https://bam.nr-data.net/1/18b83da98c?a=285701161&v=1209.f04e2b9&to=YVUDZhYCC0VUUk0IWlgfJ0cKABFfWl8WFlRRRABbCE0GWUdUFxdcU0cSCBcGF0BQ&rst=2904&ck=1&ref=https://xpro.mit.edu/courses/course-v1:xPRO%2BLASERxE1/&qt=4&ap=868&be=1082&fe=2714&dc=1690&perf=%7B%22timing%22:%7B%22of%22:1623931350366,%22n%22:0,%22f%22:1,%22dn%22:2,%22dne%22:32,%22c%22:32,%22s%22:45,%22ce%22:65,%22rq%22:65,%22rp%22:1069,%22rpe%22:1083,%22dl%22:1072,%22di%22:1539,%22ds%22:1690,%22de%22:1725,%22dc%22:2714,%22l%22:2714,%22le%22:2730%7D,%22navigation%22:%7B%7D%7D&fp=1134&fcp=1520&jsonp=NREUM.setToken Requested by Host: js-agent.newrelic.com URL: https://js-agent.newrelic.com/nr-1209.min.js Protocol HTTP/1.1 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 162.247.242.21 , United States, ASN23467 (NEWRELIC-AS-1, US), Reverse DNS bam-9.nr-data.net Software / Resource Hash f69a13217482dc43f25e74cfcb9391d0f06d22501f10f5cb5e413d2d98a5cd23 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers Expires Thu, 01 Jan 1970 00:00:00 GMT Content-Length 57 Content-Type text/javascript;charset=ISO-8859-1
GET H3-29	200	/ www.facebook.com/tr/	44 B 88 B	6ms 6ms	Image image/gif	2a03:2880:f12d:181:face:b00c:0:25de FACEBOOK
General Check archive.org Show headers Download Go to Show image Full URL https://www.facebook.com/tr/?id=458392838333521&ev=Microdata&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&rl=&if=false&ts=1623931353359&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course%22%2C%22meta%3Adescription%22%3A%22%22%2C%22meta%3Akeywords%22%3A%22%22%7D&cd[OpenGraph]=%7B%22og%3Aurl%22%3A%22http%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F%22%2C%22og%3Atitle%22%3A%22Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course%22%2C%22og%3Adescription%22%3A%22Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course%20and%20learn%20from%20MIT%20faculty%20and%20industry%20experts.%20Learn%20how%20system%20thinking%20is%20used%20in%20diverse%20areas%20such%20as%20logistics%20%26%20transportation%2C%20project%20management%2C%20and%20computation.%22%2C%22og%3Asite_name%22%3A%22xpro%22%2C%22og%3Aimage%22%3A%5B%22https%3A%2F%2Fxpro-app-production.s3.amazonaws.com%2Fimages%2FiStock-1206003926.original.original.jpg%22%2C%22https%3A%2F%2Fxpro.mit.edu%2Fimages%2FrsC1xLUjKcXQROthmrW3wePqTYg%3D%2F282%2Ffill-821x400%2FiStock-1206003926.original.jpg%3Fv%3D2f37962fc48d929145877274468af682a00e9d2c%22%5D%2C%22product%3Abrand%22%3A%22xPro%22%2C%22product%3Aavailability%22%3A%22in%20stock%22%2C%22product%3Acondition%22%3A%22new%22%2C%22product%3Aprice%3Aamount%22%3A%221149.00%22%2C%22product%3Aprice%3Acurrency%22%3A%22USD%22%2C%22product%3Aretailer_item_id%22%3A%22course-v1%3AxPRO%2BLASERxE1%22%2C%22product%3Acategory%22%3A%22317%22%7D&cd[Schema.org]=%5B%5D&cd[JSON-LD]=%5B%5D&sw=1600&sh=1200&v=2.9.41&r=stable&a=fmc-idimension&ec=2&o=30&fbp=fb.1.1623931352853.1403451567&it=1623931352310&coo=false&es=automatic&tm=3&rqm=GET Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f12d:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software proxygen-bolt / Resource Hash 10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT last-modified Fri, 21 Dec 2012 00:00:01 GMT server proxygen-bolt strict-transport-security max-age=31536000; includeSubDomains content-type image/gif cache-control no-cache, must-revalidate, max-age=0 cross-origin-resource-policy cross-origin content-length 44 alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 priority u=3,i expires Thu, 17 Jun 2021 12:02:33 GMT
GET H3-29	200	/ www.facebook.com/tr/	44 B 88 B	6ms 6ms	Image image/gif	2a03:2880:f12d:181:face:b00c:0:25de FACEBOOK
General Check archive.org Show headers Download Go to Show image Full URL https://www.facebook.com/tr/?id=2821860157854382&ev=Microdata&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&rl=&if=false&ts=1623931353360&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course%22%2C%22meta%3Adescription%22%3A%22%22%2C%22meta%3Akeywords%22%3A%22%22%7D&cd[OpenGraph]=%7B%22og%3Aurl%22%3A%22http%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F%22%2C%22og%3Atitle%22%3A%22Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course%22%2C%22og%3Adescription%22%3A%22Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course%20and%20learn%20from%20MIT%20faculty%20and%20industry%20experts.%20Learn%20how%20system%20thinking%20is%20used%20in%20diverse%20areas%20such%20as%20logistics%20%26%20transportation%2C%20project%20management%2C%20and%20computation.%22%2C%22og%3Asite_name%22%3A%22xpro%22%2C%22og%3Aimage%22%3A%5B%22https%3A%2F%2Fxpro-app-production.s3.amazonaws.com%2Fimages%2FiStock-1206003926.original.original.jpg%22%2C%22https%3A%2F%2Fxpro.mit.edu%2Fimages%2FrsC1xLUjKcXQROthmrW3wePqTYg%3D%2F282%2Ffill-821x400%2FiStock-1206003926.original.jpg%3Fv%3D2f37962fc48d929145877274468af682a00e9d2c%22%5D%2C%22product%3Abrand%22%3A%22xPro%22%2C%22product%3Aavailability%22%3A%22in%20stock%22%2C%22product%3Acondition%22%3A%22new%22%2C%22product%3Aprice%3Aamount%22%3A%221149.00%22%2C%22product%3Aprice%3Acurrency%22%3A%22USD%22%2C%22product%3Aretailer_item_id%22%3A%22course-v1%3AxPRO%2BLASERxE1%22%2C%22product%3Acategory%22%3A%22317%22%7D&cd[Schema.org]=%5B%5D&cd[JSON-LD]=%5B%5D&sw=1600&sh=1200&v=2.9.41&r=stable&a=fmc-idimension&ec=2&o=30&fbp=fb.1.1623931352853.1403451567&it=1623931352310&coo=false&es=automatic&tm=3&rqm=GET Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f12d:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software proxygen-bolt / Resource Hash 10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT last-modified Fri, 21 Dec 2012 00:00:01 GMT server proxygen-bolt strict-transport-security max-age=31536000; includeSubDomains content-type image/gif cache-control no-cache, must-revalidate, max-age=0 cross-origin-resource-policy cross-origin content-length 44 alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 priority u=3,i expires Thu, 17 Jun 2021 12:02:33 GMT
GET H3-29	200	/ www.facebook.com/tr/	44 B 88 B	12ms 12ms	Image image/gif	2a03:2880:f12d:181:face:b00c:0:25de FACEBOOK
General Check archive.org Show headers Download Go to Show image Full URL https://www.facebook.com/tr/?id=752654432048884&ev=Microdata&dl=https%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F&rl=&if=false&ts=1623931353450&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course%22%2C%22meta%3Adescription%22%3A%22%22%2C%22meta%3Akeywords%22%3A%22%22%7D&cd[OpenGraph]=%7B%22og%3Aurl%22%3A%22http%3A%2F%2Fxpro.mit.edu%2Fcourses%2Fcourse-v1%3AxPRO%2BLASERxE1%2F%22%2C%22og%3Atitle%22%3A%22Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course%22%2C%22og%3Adescription%22%3A%22Enroll%20in%20MIT%27s%20System%20Thinking%20Online%20Course%20and%20learn%20from%20MIT%20faculty%20and%20industry%20experts.%20Learn%20how%20system%20thinking%20is%20used%20in%20diverse%20areas%20such%20as%20logistics%20%26%20transportation%2C%20project%20management%2C%20and%20computation.%22%2C%22og%3Asite_name%22%3A%22xpro%22%2C%22og%3Aimage%22%3A%5B%22https%3A%2F%2Fxpro-app-production.s3.amazonaws.com%2Fimages%2FiStock-1206003926.original.original.jpg%22%2C%22https%3A%2F%2Fxpro.mit.edu%2Fimages%2FrsC1xLUjKcXQROthmrW3wePqTYg%3D%2F282%2Ffill-821x400%2FiStock-1206003926.original.jpg%3Fv%3D2f37962fc48d929145877274468af682a00e9d2c%22%5D%2C%22product%3Abrand%22%3A%22xPro%22%2C%22product%3Aavailability%22%3A%22in%20stock%22%2C%22product%3Acondition%22%3A%22new%22%2C%22product%3Aprice%3Aamount%22%3A%221149.00%22%2C%22product%3Aprice%3Acurrency%22%3A%22USD%22%2C%22product%3Aretailer_item_id%22%3A%22course-v1%3AxPRO%2BLASERxE1%22%2C%22product%3Acategory%22%3A%22317%22%7D&cd[Schema.org]=%5B%5D&cd[JSON-LD]=%5B%5D&sw=1600&sh=1200&v=2.9.41&r=stable&a=fmc-idimension&ec=2&o=30&fbp=fb.1.1623931352853.1403451567&it=1623931352310&coo=false&es=automatic&tm=3&rqm=GET Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a03:2880:f12d:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US), Reverse DNS Software proxygen-bolt / Resource Hash 10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa Security Headers Name Value Strict-Transport-Security max-age=31536000; includeSubDomains Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Response headers date Thu, 17 Jun 2021 12:02:33 GMT last-modified Fri, 21 Dec 2012 00:00:01 GMT server proxygen-bolt strict-transport-security max-age=31536000; includeSubDomains content-type image/gif cache-control no-cache, must-revalidate, max-age=0 cross-origin-resource-policy cross-origin content-length 44 alt-svc h3-29=":443"; ma=3600,h3-27=":443"; ma=3600 priority u=3,i expires Thu, 17 Jun 2021 12:02:33 GMT
POST H3-29	200	log_event Show response www.youtube.com/youtubei/v1/ Frame D5AB	28 B 56 B	22ms 22ms	XHR application/json	2a00:1450:4001:827::200e GOOGLE
General Check archive.org Show headers Download Go to Full URL https://www.youtube.com/youtubei/v1/log_event?alt=json&key=AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8 Requested by Host: www.youtube.com URL: https://www.youtube.com/s/player/997fe684/player_ias.vflset/en_US/base.js Protocol H3-29 Security QUIC, , AES_128_GCM Server 2a00:1450:4001:827::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US), Reverse DNS Software ESF / Resource Hash d7d5e54ad1e33d7ab49c664323ced79cb9723ff15e9764cd0edc3e15208e8336 Security Headers Name Value X-Content-Type-Options nosniff X-Frame-Options SAMEORIGIN X-Xss-Protection 0 Request headers User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Content-Type application/json X-YouTube-Utc-Offset 120 X-YouTube-Client-Name 56 Referer https://www.youtube.com/embed/dx4KuzpogVA?feature=oembed&rel=0&enablejsapi=1 X-YouTube-Client-Version 1.20210614.1.0 X-YouTube-Time-Zone Europe/Berlin X-Goog-Visitor-Id Cgs5Y2gydUZ6NU1BdyjX86yGBg%3D%3D X-YouTube-Ad-Signals dt=1623931352430&flash=0&frm=2&u_tz=120&u_his=2&u_java&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_nplug&u_nmime&bc=31&bih=-12245933&biw=-12245933&brdim=0%2C0%2C0%2C0%2C1600%2C0%2C1600%2C1200%2C435%2C250&vis=1&wgl=true&ca_type=image&bid=ANyPxKp4NJtLwodRzzzawjgRCrIgPO4vIMJv6yjZz9me26LQc4p5ov6RZJzyJ5aqDLDcODfaqYNiR9xv7qv3sn0xfeVlFUuQRA Response headers date Thu, 17 Jun 2021 12:02:34 GMT content-encoding br x-content-type-options nosniff server ESF x-frame-options SAMEORIGIN vary Origin, X-Origin, Referer p3p CP="This is not a P3P policy! See g.co/p3phelp for more info." cache-control private content-type application/json; charset=UTF-8 alt-svc h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43" content-length 31 x-xss-protection 0 expires Thu, 17 Jun 2021 12:02:34 GMT
POST H/1.1	200 OK	18b83da98c Show response bam.nr-data.net/events/1/	24 B 179 B	106ms 106ms	XHR image/gif	162.247.242.21 NEWRELIC-AS-1
General Check archive.org Show headers Download Go to Full URL https://bam.nr-data.net/events/1/18b83da98c?a=285701161&v=1209.f04e2b9&to=YVUDZhYCC0VUUk0IWlgfJ0cKABFfWl8WFlRRRABbCE0GWUdUFxdcU0cSCBcGF0BQ&rst=12904&ck=1&ref=https://xpro.mit.edu/courses/course-v1:xPRO%2BLASERxE1/ Requested by Host: js-agent.newrelic.com URL: https://js-agent.newrelic.com/nr-1209.min.js Protocol HTTP/1.1 Security TLS 1.2, ECDHE_RSA, AES_128_GCM Server 162.247.242.21 , United States, ASN23467 (NEWRELIC-AS-1, US), Reverse DNS bam-9.nr-data.net Software / Resource Hash 0c9cf152a0ad00d4f102c93c613c104914be5517ac8f8e0831727f8bfbe8b300 Request headers Referer https://xpro.mit.edu/ User-Agent Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 content-type text/plain Response headers Access-Control-Allow-Origin https://xpro.mit.edu Access-Control-Allow-Credentials true Content-Length 24 Content-Type image/gif