Submitted URL: https://eventing.coursera.org/redirect/BsTU2wsLFLxW7gvRs2vp0oWG7ZOGRn7kN4zUNzmGjUaH3KAYjh6ZWcFxaLzc4qJc6yzipi1HJcqfAtyFI373wg....
Effective URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~...
Submission: On October 30 via api from US — Scanned from DE

Summary

This website contacted 9 IPs in 2 countries across 8 domains to perform 137 HTTP transactions. The main IP is 143.204.215.104, located in United States and belongs to AMAZON-02, US. The main domain is www.coursera.org. The Cisco Umbrella rank of the primary domain is 31878.
TLS certificate: Issued by Amazon RSA 2048 M04 on April 22nd 2025. Valid for: a year.
This is the only time www.coursera.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 52.4.1.216 14618 (AMAZON-AES)
24 143.204.215.104 16509 (AMAZON-02)
85 18.66.112.129 16509 (AMAZON-02)
2 16.15.207.197 14618 (AMAZON-AES)
9 172.217.18.8 15169 (GOOGLE)
13 104.18.86.42 13335 (CLOUDFLAR...)
2 172.64.155.119 13335 (CLOUDFLAR...)
1 142.250.181.226 15169 (GOOGLE)
1 216.239.34.36 15169 (GOOGLE)
137 9
Apex Domain
Subdomains
Transfer
85 cloudfront.net
d3njjcbhbojbot.cloudfront.net
1 MB
25 coursera.org
eventing.coursera.org — Cisco Umbrella Rank: 300079
www.coursera.org — Cisco Umbrella Rank: 31878
109 KB
13 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 361
315 KB
9 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 41
1 MB
2 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 621
572 B
2 amazonaws.com
coursera_assets.s3.amazonaws.com
5 KB
1 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 2986
1 googlesyndication.com
pagead2.googlesyndication.com — Cisco Umbrella Rank: 130
137 8
Domain Requested by
85 d3njjcbhbojbot.cloudfront.net www.coursera.org
24 www.coursera.org d3njjcbhbojbot.cloudfront.net
13 cdn.cookielaw.org www.googletagmanager.com
www.coursera.org
cdn.cookielaw.org
9 www.googletagmanager.com d3njjcbhbojbot.cloudfront.net
www.googletagmanager.com
2 geolocation.onetrust.com cdn.cookielaw.org
2 coursera_assets.s3.amazonaws.com www.coursera.org
1 region1.google-analytics.com www.googletagmanager.com
1 pagead2.googlesyndication.com www.googletagmanager.com
1 eventing.coursera.org 1 redirects
137 9
Subject Issuer Validity Valid
coursera.org
Amazon RSA 2048 M04
2025-04-22 -
2026-05-21
a year crt.sh
*.cloudfront.net
Amazon RSA 2048 M01
2025-05-05 -
2026-04-23
a year crt.sh
*.s3.amazonaws.com
Amazon RSA 2048 M01
2025-02-14 -
2026-02-07
a year crt.sh
*.google-analytics.com
WE2
2025-10-13 -
2026-01-05
3 months crt.sh
cookielaw.org
WE1
2025-09-30 -
2025-12-29
3 months crt.sh
geolocation.onetrust.com
WE1
2025-09-30 -
2025-12-29
3 months crt.sh
*.g.doubleclick.net
WE2
2025-10-13 -
2026-01-05
3 months crt.sh

This page contains 2 frames:

Primary Page: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Frame ID: D6ACBE68ADA65DCDD705B0F484E204A1
Requests: 137 HTTP requests in this frame

Frame: https://www.googletagmanager.com/static/service_worker/5a20/sw_iframe.html?origin=https%3A%2F%2Fwww.coursera.org
Frame ID: EFB11A2DBB7EBCB6DAE792336A8FB1BE
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

Coursera | Online-Kurse und Referenzen von erstklassigen Ausbildern. Kostenlose Teilnahme

Page URL History Show full URLs

  1. https://eventing.coursera.org/redirect/BsTU2wsLFLxW7gvRs2vp0oWG7ZOGRn7kN4zUNzmGjUaH3KAYjh6ZWcFxaLzc4qJc6yz... HTTP 303
    https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9E... Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • googlesyndication\.com/

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • cdn\.cookielaw\.org
  • otSDKStub\.js

Page Statistics

137
Requests

100 %
HTTPS

0 %
IPv6

8
Domains

9
Subdomains

9
IPs

2
Countries

3004 kB
Transfer

10282 kB
Size

7
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://eventing.coursera.org/redirect/BsTU2wsLFLxW7gvRs2vp0oWG7ZOGRn7kN4zUNzmGjUaH3KAYjh6ZWcFxaLzc4qJc6yzipi1HJcqfAtyFI373wg.zWyKigsjqjVhC3x3uav6jg.qk4oNVP2209SeDXm9jEJaVGqlOQhQTSaPpd8NCkOMB0Fx7awmrkICWXtEKVLRIfCZC3uiREtDeHcnYQhoqj29qeCNB_WDxxIe9x9GENbO-_d2LWLgXr-wde2I-Qa7e0SWIbJarDZbi4Gba35EeqLepGbZafaIj2KT_XeoYyILNTVSG6pR4LjKmvjEvuhIb1IpMxeA24sJqvah1kCFUQR2SoAX3gN1oyTUK4CzJRod7sZHWF5iRH3CE1tmxqdM4RSB_mgMiC-eweVPTntb1vmMVb4ofoyewB39B_01Ya_Xnxye7Wx2_9XxO_ycia8pQP5bJmzUOZinqg7vqAyWW_vNs6pfeNEF65ydDfmDNwgZnbFf4ydazZ21VnoYu-xusy7pMRlsf1EL44x_DHug7AKEo7MiX4qSqSgXAkGvW_Vh7uu7NG-T5oM8W02CCjI-1TyTttCKC1zzH3-IY3aqwa6wLAJ6JuCc-99EhWCOZmbZRjfOqzcpWV_Dump5sIhnAtD94L4QiA09f0cZGOFuwYrb8_AWQSwOWrzet5fkqTPsGBi5J7NOQX57N_r7qM-Ojz-xybHSlleL_3W5RainGVDZCNZBpEE8cRhn8L__rR4NnnHteEH6C8NLlRzOmrWnUWIKr1KxRTUeOHLhwSekG6T0XFx9k88Is9ljZfero7YcK8 HTTP 303
    https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

137 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.coursera.org/
Redirect Chain
  • https://eventing.coursera.org/redirect/BsTU2wsLFLxW7gvRs2vp0oWG7ZOGRn7kN4zUNzmGjUaH3KAYjh6ZWcFxaLzc4qJc6yzipi1HJcqfAtyFI373wg.zWyKigsjqjVhC3x3uav6jg.qk4oNVP2209SeDXm9jEJaVGqlOQhQTSaPpd8NCkOMB0Fx7aw...
  • https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
589 KB
81 KB
Document
General
Full URL
https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.215.104 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-215-104.fra53.r.cloudfront.net
Software
envoy / Express
Resource Hash
62bd752c17a79f566c9736f8fa8ee3d37e89a919feb50c0cbd860d8cff8ae618
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Response headers

cache-control
private, no-cache, no-store, must-revalidate, max-age=0
content-encoding
gzip
content-type
text/html
date
Thu, 30 Oct 2025 19:17:19 GMT
etag
W/"93553-OyNsVImMfHQzp7ySUnW018G0irc"
server
envoy
strict-transport-security
max-age=31536000; includeSubDomains; preload
traceresponse
00-68c9653ec1775a6f1791e183d8e6308a-a3c792395e1de049-00
vary
Accept-Encoding
via
1.1 660f4277d8fbef27985e8a4a97e362cc.cloudfront.net (CloudFront)
x-amz-cf-id
JiNT27u91BdIgFv209snQlWzLLStWIyfx0lmKyKx3tpTMU4FVOWjNQ==
x-amz-cf-pop
FRA53-C1
x-cache
Miss from cloudfront
x-content-type-options
nosniff
x-coursera-appname
front-page
x-coursera-render-mode
html
x-coursera-render-version
v2
x-coursera-request-id
DhbfhLXFEfC5MQ5ExK-d-Q
x-coursera-trace-id-hex
e1578aee5aa0789a
x-envoy-upstream-service-time
178
x-frame-options
SAMEORIGIN
x-powered-by
Express
x-xss-protection
1; mode=block

Redirect headers

Connection
keep-alive
Content-Encoding
gzip
Date
Thu, 30 Oct 2025 19:17:19 GMT
Server
envoy
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
Vary
Accept-Encoding
X-Coursera-Request-Id
Df-tUrXFEfCrYAr_xypdzw
X-Coursera-Trace-Id-Hex
2dae7ad35783c57d
cache-control
no-cache, no-store, max-age=0, must-revalidate
expires
0
location
https://www.coursera.org?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
pragma
no-cache
traceresponse
00-f9621bd59987dfa7be018b29c8114986-86bf70902a40a647-00
transfer-encoding
chunked
x-content-type-options
nosniff
x-envoy-upstream-service-time
6
x-frame-options
SAMEORIGIN
x-xss-protection
0
ss3-latin-normal.woff2
d3njjcbhbojbot.cloudfront.net/web/type/source-sans-3-optimized/
28 KB
29 KB
Font
General
Full URL
https://d3njjcbhbojbot.cloudfront.net/web/type/source-sans-3-optimized/ss3-latin-normal.woff2
Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
ac057a5593cbe3df0d2585da5dd5f33b8efa84aa30550c710fe061b37fc5c54b
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Origin
https://www.coursera.org
Referer
https://www.coursera.org/

Response headers

x-amz-server-side-encryption
AES256
access-control-max-age
0
content-encoding
gzip
x-coursera-trace-id-hex
acb00164dfc278c8
x-amz-version-id
null
etag
"fb6579a30024913f55d1f11d5f6485e4"
age
2110471
access-control-allow-methods
GET
x-content-type-options
nosniff
traceresponse
00-3eee69a292b96836ffcb52e022baa900-a38ddead63f6485c-01
x-cache
Hit from cloudfront
x-amz-cf-id
BlAz3wRQb2gu37scjTPvDYko89m2b8RT53Q6EtvNR4V73vbidRmkvQ==
date
Mon, 06 Oct 2025 09:02:49 GMT
content-type
binary/octet-stream
last-modified
Fri, 20 Jun 2025 14:09:04 GMT
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
max-age=2592000, immutable
via
1.1 98652de9f742fc1df9de714d921e14c2.cloudfront.net (CloudFront)
accept-ranges
bytes
access-control-allow-origin
*
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
AmazonS3
x-coursera-request-id
Q3a4MIsAEfCX8RKzu2oHmw
allStyles.a8d6ba16a2b907993a12.css
d3njjcbhbojbot.cloudfront.net/webapps/r2-builds/br/front-page/
52 KB
9 KB
Stylesheet
General
Full URL
https://d3njjcbhbojbot.cloudfront.net/webapps/r2-builds/br/front-page/allStyles.a8d6ba16a2b907993a12.css
Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
bd2bb8beb2991257e43f36dc4b776d746b9b9618f8bd51b881da1454a59b1f53
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

x-coursera-request-id
mNMXSKXAEfCrYw4emChAJQ
content-encoding
br
x-coursera-trace-id-hex
9c539c3b322fd661
etag
"eddaa80c74deff0bfa8971bdcea4959e"
x-amz-version-id
cZ0.gDS2aCFWyn.8RRXbg9SNOgBYueYX
age
1761134
access-control-allow-methods
GET
x-content-type-options
nosniff
traceresponse
00-0020d4fea127b10f877b04aa442c4b5b-a5984b41629eccd5-00
x-cache
Hit from cloudfront
x-amz-cf-id
Su2W_VhWiBlxOaTHTMQwvWbxYFljKF0HLDMOoZaZqxC24bQN1hnAfQ==
date
Fri, 10 Oct 2025 10:05:07 GMT
content-type
text/css
last-modified
Fri, 10 Oct 2025 10:02:23 GMT
x-amz-expiration
expiry-date="Sun, 11 Oct 2026 00:00:00 GMT", rule-id="Manage builds"
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
max-age=2592000, immutable
timing-allow-origin
*
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
accept-ranges
bytes
access-control-allow-origin
*
content-length
7978
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
AmazonS3
x-amz-server-side-encryption
AES256
BC-4602_AI_Skills_Campaign_LOHP_Hero_Takeover-Desktop-720x500_2x.png
d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://images.ctfassets.net/00atxywtfxvd/1z9U9vIavs6MCqYhgF67lN/4298995c768f01e558263cf5cdc3aba3/
43 KB
44 KB
Image
General
Full URL
https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://images.ctfassets.net/00atxywtfxvd/1z9U9vIavs6MCqYhgF67lN/4298995c768f01e558263cf5cdc3aba3/BC-4602_AI_Skills_Campaign_LOHP_Hero_Takeover-Desktop-720x500_2x.png?auto=format%2Ccompress&dpr=1&w=1440&h=1000&q=40
Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
27b255ed61613fc8a804d6afad953c8b3ec8678a2479748e3f524b2af499dd59
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
8bf0da03e9a9634c
age
2092638
access-control-allow-methods
GET
x-content-type-options
nosniff
traceresponse
00-ebac268e60c05cbe98c189758cd5f0e6-efd1c7e62b8b43ab-00
x-cache
Hit from cloudfront
x-amz-cf-id
KsmoejqsSTaDzo3qd2yhu1EV7Xj-Vd6Fn3siSXHGUw4OEdlv7CWCcQ==
date
Mon, 06 Oct 2025 14:00:02 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31536000
x-envoy-upstream-service-time
5
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
access-control-allow-origin
*
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
wR7VvKK8EfCAlRLJ1mcdDQ
allStyles.a8d6ba16a2b907993a12.js
d3njjcbhbojbot.cloudfront.net/webapps/r2-builds/br/front-page/
130 B
983 B
Script
General
Full URL
https://d3njjcbhbojbot.cloudfront.net/webapps/r2-builds/br/front-page/allStyles.a8d6ba16a2b907993a12.js
Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
a112f8946ed4d4c4a91f1b5bf4f1d7371066ded09931db56fb7656166cd61298
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Origin
https://www.coursera.org
Referer
https://www.coursera.org/

Response headers

x-coursera-request-id
v7YxUaFMEfCYTwr_ylJnDQ
access-control-max-age
0
content-encoding
br
x-coursera-trace-id-hex
7aefb510d45c3821
etag
"d60b652358cb284777799cd561325b50"
x-amz-version-id
tgZ6Rf9CWkF4Aq0YtFXwr5wEuKw53ysb
age
2250695
access-control-allow-methods
GET
x-content-type-options
nosniff
traceresponse
00-64e0eb6f220c3fb358c053499fc557c8-4a89cdac6518dcd7-00
x-cache
Hit from cloudfront
x-amz-cf-id
xCPmKzHn2GkRQSxhIIWeH6AaQhjSQeIsxlkq5XP6mhgWiPGHutf0qg==
date
Sat, 04 Oct 2025 18:05:46 GMT
content-type
application/javascript
last-modified
Sat, 04 Oct 2025 15:34:14 GMT
x-amz-expiration
expiry-date="Mon, 05 Oct 2026 00:00:00 GMT", rule-id="Manage builds"
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
max-age=2592000, immutable
timing-allow-origin
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Request headers

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Request headers

User-Agent
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Response headers

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Request headers

User-Agent
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envoy /
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Request headers

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URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
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envoy /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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age
6314881
x-content-type-options
nosniff
traceresponse
00-650ada583d395b122a413c8107cd4297-98ec905e4de13e49-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 18 Aug 2025 17:09:19 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31536000
x-envoy-upstream-service-time
5
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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7 KB
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
c15e7cfd2785fd4c823d6f3ac985a43f6f09bbd003b83caa0776ea5b4beccbd9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
6a8b4fbe69733df4
age
6314881
x-content-type-options
nosniff
traceresponse
00-2cb6598b8790f0313d9e1f2efa9e5241-4cbdf933e45600a6-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 18 Aug 2025 17:09:19 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31536000
x-envoy-upstream-service-time
7
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
FAd1iHxWEfCt3gr_4Zxypw
Penn-badge.png
d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://images.ctfassets.net/00atxywtfxvd/3Y7rH8FUwg4eai7LK5j9u3/880203b6e241e81112bf48f252ca8e72/
16 KB
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Image
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Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
d6812d48de5474616dec22b4b186bdd719f28aca92ee362ed357d6640f1b1e49
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
8bb86e7149854ea1
age
6314881
x-content-type-options
nosniff
traceresponse
00-b5d5b7dfcd1904f3c8e4ac46b583b4e0-5a3d981315007a7e-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 18 Aug 2025 17:09:19 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31536000
x-envoy-upstream-service-time
7
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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Image
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Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
179a7d5c950ceb427207b85a546e273a3376195bb603c8bd12fb7820b005c005
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
5e4ffdb333812e00
age
6314881
x-content-type-options
nosniff
traceresponse
00-c6500743c6cd8f51c0aa5774bc00da02-9d3e4670a5c4fc87-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 18 Aug 2025 17:09:19 GMT
content-type
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vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31536000
x-envoy-upstream-service-time
4
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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2 KB
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Image
General
Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
8411b26c86c16e02a3b2379b077d2f7cbde31eaf3a52532371328fde44ad6655
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
8baff3e8f61dcff7
age
6314881
x-content-type-options
nosniff
traceresponse
00-e6aef02a1afe0676db588952f75e9e11-90d62eb2159592b9-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 18 Aug 2025 17:09:19 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31536000
x-envoy-upstream-service-time
5
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://images.ctfassets.net/00atxywtfxvd/4UiGf0SnbrHmjWznsuTnQc/3a567e1c87d81f44de01a7659776c8a9/
2 KB
2 KB
Image
General
Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
060a7237ffcac99c350a8f7c6650e23b0a781ed6beb899a2062506154cd6315f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
e5bf745b3ee00a7d
age
6314881
x-content-type-options
nosniff
traceresponse
00-0dd9d386aa4295b6cad4d8b252808e05-eafefb3bd863a325-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 18 Aug 2025 17:09:19 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31536000
x-envoy-upstream-service-time
4
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera-university-assets.s3.amazonaws.com/d9/7ac5ee1c0247dab299ec6a8343f16d/
1 KB
2 KB
Image
General
Full URL
https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera-university-assets.s3.amazonaws.com/d9/7ac5ee1c0247dab299ec6a8343f16d/Adobe-A-square.png?auto=format%2Ccompress&dpr=1
Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
445aa963f815037a54fd46cd6f3eb84e86e068e088f66e723249364ece733f46
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
4aabc9884a01f69e
age
6314881
x-content-type-options
nosniff
traceresponse
00-2016cd5151f59ff7ca2077c953c64d83-dcb93a1b5fbcc656-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 18 Aug 2025 17:09:19 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=315360000
x-envoy-upstream-service-time
5
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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32 KB
32 KB
Image
General
Full URL
https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://images.ctfassets.net/00atxywtfxvd/2xT8bRd5zUzh26boQdnz6/ad837efbdcb2bca5ae3b728fb16814a4/image__1_.png?auto=format%2Ccompress&dpr=1
Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
59da9818599fcf0b67efd85411dcedb216a3188bc67d4df0beea7536c2c2d2eb
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
8c33d16be3a06082
age
6314881
x-content-type-options
nosniff
traceresponse
00-c0019788834049ff91d7e3874318b667-759ba7b42310e63b-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 18 Aug 2025 17:09:19 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=31536000
x-envoy-upstream-service-time
5
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
FArQo3xWEfCsZA4lCBygqw
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d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera-university-assets.s3.amazonaws.com/a4/7cd68a658840ddbb95c38cdd0bbc8e/
4 KB
5 KB
Image
General
Full URL
https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera-university-assets.s3.amazonaws.com/a4/7cd68a658840ddbb95c38cdd0bbc8e/aws-logo-icon-PNG-Transparent-Background.png?auto=format%2Ccompress&dpr=1
Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
b61bf08f5153387a1c22e7abf603719048545ff02ad754e870f795542163af91
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
75ae8a42a5dc20d5
age
6314881
x-content-type-options
nosniff
traceresponse
00-556b065e6b466b3e90f6ae34ecd26b33-60e5121a748fba98-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 18 Aug 2025 17:09:19 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
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cache-control
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Request headers

User-Agent
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Request headers

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Request headers

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Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
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envoy /
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Request headers

User-Agent
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Response headers

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Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
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envoy /
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Request headers

User-Agent
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Response headers

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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
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envoy /
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Request headers

User-Agent
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Referer
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content-encoding
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
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Software
envoy /
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Request headers

User-Agent
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Referer
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Response headers

content-encoding
gzip
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
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Software
envoy /
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Request headers

User-Agent
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Response headers

content-encoding
gzip
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content-type
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
envoy /
Resource Hash
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Security Headers
Name Value
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X-Content-Type-Options nosniff
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
d909cc4512b6b4ea
age
299270
access-control-allow-methods
GET
x-content-type-options
nosniff
traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
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content-type
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vary
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x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
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8
via
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access-control-allow-origin
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x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://d3njjcbhbojbot.cloudfront.net/web/images/icons/
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Image
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Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
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TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
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Security Headers
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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age
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access-control-allow-methods
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x-content-type-options
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traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
Sat, 11 Oct 2025 03:22:41 GMT
content-type
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vary
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via
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access-control-allow-origin
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FRA56-P5
server
envoy
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Image
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Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
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TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
envoy /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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access-control-allow-methods
GET
x-content-type-options
nosniff
traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
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content-type
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vary
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x-frame-options
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strict-transport-security
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cache-control
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x-envoy-upstream-service-time
4
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
access-control-allow-origin
*
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FRA56-P5
server
envoy
x-coursera-request-id
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d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://s3.amazonaws.com/coursera_assets/footer/
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Image
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Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
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TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
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age
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x-content-type-options
nosniff
traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
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content-type
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vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
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x-envoy-upstream-service-time
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via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
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x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://s3.amazonaws.com/coursera_assets/footer/
529 B
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Image
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Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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age
7408698
x-content-type-options
nosniff
traceresponse
00-1c3fbd0e590458134755886ab6458272-5d90b66ea10145a1-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
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content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
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cache-control
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x-envoy-upstream-service-time
13
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
content-length
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x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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twitter.png
d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://s3.amazonaws.com/coursera_assets/footer/
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Image
General
Full URL
https://d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://s3.amazonaws.com/coursera_assets/footer/twitter.png?auto=format%2Ccompress&dpr=2&blur=200&px=8&max-w=28&h=28&w=28
Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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age
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x-content-type-options
nosniff
traceresponse
00-e7d025cdc16de1ea1b496c1d813a840e-ce746fdb831e5ebc-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Sun, 10 Aug 2025 05:13:06 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
public, max-age=315360000
x-envoy-upstream-service-time
3
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
1; mode=block
x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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975 B
Image
General
Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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age
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x-content-type-options
nosniff
traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
Wed, 06 Aug 2025 02:27:25 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
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x-envoy-upstream-service-time
4
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
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x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
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d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://s3.amazonaws.com/coursera_assets/footer/
532 B
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Image
General
Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
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TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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age
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x-content-type-options
nosniff
traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
Wed, 06 Aug 2025 01:00:26 GMT
content-type
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vary
Accept,Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
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x-envoy-upstream-service-time
4
via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
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x-amz-cf-pop
FRA56-P5
server
envoy
x-coursera-request-id
vXYDbnJgEfCUSAr_7s_hlQ
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d3njjcbhbojbot.cloudfront.net/api/utilities/v1/imageproxy/https://coursera_assets.s3.amazonaws.com/images/
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1 KB
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Full URL
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Requested by
Host: www.coursera.org
URL: https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
c29c0edcd0d0d3fd652726c93d97c75787beafb1739ab2ff2d544ba249d9a0e9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
bb34f1089b0e39ee
age
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access-control-allow-methods
GET
x-content-type-options
nosniff
traceresponse
00-fd92591bc31992b1d893d25379cfc864-69b09f895ee5c177-00
x-cache
Hit from cloudfront
x-amz-cf-id
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date
Mon, 06 Oct 2025 10:12:14 GMT
content-type
image/png
vary
Accept,Accept-Encoding
x-frame-options
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strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
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Response headers

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Request headers

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Response headers

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Request headers

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date
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via
1.1 fb49d852ca52c03c834ce98098b51516.cloudfront.net (CloudFront)
x-xss-protection
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x-amz-cf-pop
FRA56-P5
server
envoy
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
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Software
envoy /
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Request headers

User-Agent
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Response headers

content-encoding
gzip
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nosniff
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
Tue, 28 Oct 2025 12:50:14 GMT
content-type
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via
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access-control-allow-origin
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x-amz-cf-pop
FRA56-P5
server
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
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Software
envoy /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
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x-content-type-options
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traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
Thu, 30 Oct 2025 14:42:10 GMT
content-type
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cache-control
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via
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access-control-allow-origin
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x-amz-cf-pop
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Protocol
H2
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TLS 1.3, , AES_128_GCM
Server
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Software
envoy /
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Request headers

User-Agent
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Referer
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Response headers

content-encoding
gzip
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Hit from cloudfront
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date
Thu, 30 Oct 2025 17:25:21 GMT
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via
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H2
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TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
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Software
envoy /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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access-control-allow-methods
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x-content-type-options
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traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
Thu, 30 Oct 2025 18:05:48 GMT
content-type
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via
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Protocol
H2
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TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
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Software
envoy /
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Request headers

User-Agent
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Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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access-control-allow-methods
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x-content-type-options
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traceresponse
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Hit from cloudfront
x-amz-cf-id
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content-type
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via
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
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Software
envoy /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
https://www.coursera.org/

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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access-control-allow-methods
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x-content-type-options
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traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
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content-type
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via
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access-control-allow-origin
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FRA56-P5
server
envoy
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
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server-18-66-112-129.fra56.r.cloudfront.net
Software
envoy /
Resource Hash
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Security Headers
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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access-control-allow-methods
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x-content-type-options
nosniff
traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
Sat, 25 Oct 2025 18:44:19 GMT
content-type
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vary
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via
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access-control-allow-origin
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
envoy /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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access-control-allow-methods
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x-content-type-options
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traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
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content-type
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access-control-allow-origin
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FRA56-P5
server
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
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Software
envoy /
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Security Headers
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X-Frame-Options SAMEORIGIN
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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access-control-allow-methods
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x-content-type-options
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traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
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content-type
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Request headers

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Request headers

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Response headers

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Request headers

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Response headers

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Request headers

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Request headers

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Request headers

User-Agent
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content-encoding
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
envoy /
Resource Hash
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Security Headers
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Request headers

User-Agent
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Referer
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gzip
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date
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content-type
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via
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x-xss-protection
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FRA56-P5
server
envoy
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Image
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
envoy /
Resource Hash
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Security Headers
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
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date
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content-type
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access-control-allow-origin
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server
envoy
x-coursera-request-id
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
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Software
envoy /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
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Response headers

content-encoding
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traceresponse
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date
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content-type
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x-xss-protection
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FRA56-P5
server
envoy
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Image
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
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Software
envoy /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
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Request headers

User-Agent
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Referer
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Response headers

content-encoding
gzip
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nosniff
traceresponse
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x-cache
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x-amz-cf-id
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date
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content-type
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x-xss-protection
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server
envoy
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2 KB
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Image
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
envoy /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
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x-content-type-options
nosniff
traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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content-type
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x-xss-protection
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FRA56-P5
server
envoy
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Image
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
envoy /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
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x-content-type-options
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traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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content-type
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via
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server
envoy
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Image
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
envoy /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
x-coursera-trace-id-hex
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x-content-type-options
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traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
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content-type
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via
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x-xss-protection
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server
envoy
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.66.112.129 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
envoy /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
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Response headers

content-encoding
gzip
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x-content-type-options
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traceresponse
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x-cache
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x-amz-cf-id
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date
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content-type
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via
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x-xss-protection
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envoy
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
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Software
envoy /
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Security Headers
Name Value
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Request headers

User-Agent
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Referer
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Response headers

content-encoding
gzip
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x-content-type-options
nosniff
traceresponse
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x-cache
Hit from cloudfront
x-amz-cf-id
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date
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content-type
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x-frame-options
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cache-control
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via
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envoy
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Protocol
H2
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TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
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Software
envoy /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referer
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Response headers

content-encoding
gzip
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Request headers

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Request headers

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XHR
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Request headers

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720 B
XHR
General
Full URL
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Request headers

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Request headers

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XHR
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Full URL
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Request headers

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Full URL
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Request headers

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max-age=31536000; includeSubDomains; preload
cache-control
no-cache, no-store, max-age=0, must-revalidate
pragma
no-cache
x-envoy-upstream-service-time
15
via
1.1 660f4277d8fbef27985e8a4a97e362cc.cloudfront.net (CloudFront)
x-xss-protection
0
x-amz-cf-pop
FRA53-C1
server
envoy
x-coursera-request-id
ELQf3rXFEfCdWwr_xA2k2w
infobatch
www.coursera.org/api/rest/v1/eventing/
28 B
719 B
XHR
General
Full URL
https://www.coursera.org/api/rest/v1/eventing/infobatch
Requested by
Host: d3njjcbhbojbot.cloudfront.net
URL: https://d3njjcbhbojbot.cloudfront.net/webapps/r2-builds/br/front-page/de.app.5691b6579a55b5d168ad.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.215.104 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-215-104.fra53.r.cloudfront.net
Software
envoy /
Resource Hash
e7a663e47e00bdfffa945578c3ffcd9b8b6ef795e679d72d1404dd51fbf10ec1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Content-Type
application/json;charset=UTF-8
Referer
https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
d2bfa9da40b7f571
x-content-type-options
nosniff
expires
0
traceresponse
00-5679a124e70aa0dcee615e20e907841b-042e084c1650a095-01
x-cache
Miss from cloudfront
x-amz-cf-id
oi9peFfgKJtNAiHrXkmt5cMJ9IxRqGfNKba6bQquLQgsrEBFH8nFRA==
date
Thu, 30 Oct 2025 19:17:24 GMT
content-type
application/json
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
no-cache, no-store, max-age=0, must-revalidate
pragma
no-cache
x-envoy-upstream-service-time
3
via
1.1 660f4277d8fbef27985e8a4a97e362cc.cloudfront.net (CloudFront)
x-xss-protection
0
x-amz-cf-pop
FRA53-C1
server
envoy
x-coursera-request-id
EQBq7LXFEfC4Aw44ErRFZQ
infobatch
www.coursera.org/api/rest/v1/eventing/
28 B
727 B
XHR
General
Full URL
https://www.coursera.org/api/rest/v1/eventing/infobatch
Requested by
Host: d3njjcbhbojbot.cloudfront.net
URL: https://d3njjcbhbojbot.cloudfront.net/webapps/r2-builds/br/front-page/de.app.5691b6579a55b5d168ad.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.215.104 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-215-104.fra53.r.cloudfront.net
Software
envoy /
Resource Hash
e7a663e47e00bdfffa945578c3ffcd9b8b6ef795e679d72d1404dd51fbf10ec1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Content-Type
application/json;charset=UTF-8
Referer
https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
1acaed59b470a891
x-content-type-options
nosniff
expires
0
traceresponse
00-b751e8ac897345d92fc79a543d48da78-a997851640197e02-00
x-cache
Miss from cloudfront
x-amz-cf-id
HH1DdnvhSY-g0RuRdn9nzX35CPEYLEpywusnISUOYpjetuvIPu_exg==
date
Thu, 30 Oct 2025 19:17:25 GMT
content-type
application/json
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
no-cache, no-store, max-age=0, must-revalidate
pragma
no-cache
x-envoy-upstream-service-time
4
via
1.1 660f4277d8fbef27985e8a4a97e362cc.cloudfront.net (CloudFront)
x-xss-protection
0
x-amz-cf-pop
FRA53-C1
server
envoy
x-coursera-request-id
EUy2TLXFEfCcMgr_3OT0vQ
infobatch
www.coursera.org/api/rest/v1/eventing/
28 B
731 B
XHR
General
Full URL
https://www.coursera.org/api/rest/v1/eventing/infobatch
Requested by
Host: d3njjcbhbojbot.cloudfront.net
URL: https://d3njjcbhbojbot.cloudfront.net/webapps/r2-builds/br/front-page/de.app.5691b6579a55b5d168ad.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.215.104 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-215-104.fra53.r.cloudfront.net
Software
envoy /
Resource Hash
e7a663e47e00bdfffa945578c3ffcd9b8b6ef795e679d72d1404dd51fbf10ec1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Content-Type
application/json;charset=UTF-8
Referer
https://www.coursera.org/?utm_medium=email&utm_source=other&utm_campaign=opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg

Response headers

content-encoding
gzip
x-coursera-trace-id-hex
7b9ed0f4e4223d45
x-content-type-options
nosniff
expires
0
traceresponse
00-84f84b8db5072e50d1b55e27501142e7-7f0b2b9fed5d00e3-00
x-cache
Miss from cloudfront
x-amz-cf-id
YRDljC9CvY0wxBH6kM-OxSw81CUUpDPkcEohQxrmPjVLLHAmRy9NFA==
date
Thu, 30 Oct 2025 19:17:25 GMT
content-type
application/json
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000; includeSubDomains; preload
cache-control
no-cache, no-store, max-age=0, must-revalidate
pragma
no-cache
x-envoy-upstream-service-time
4
via
1.1 660f4277d8fbef27985e8a4a97e362cc.cloudfront.net (CloudFront)
x-xss-protection
0
x-amz-cf-pop
FRA53-C1
server
envoy
x-coursera-request-id
EZvnyLXFEfCdWwr_xA2k2w

Verdicts & Comments Add Verdict or Comment

56 JavaScript Window variables

These are the non-standard variables defined on the window object. These include var declarations and global functions and can be helpful in identifying possible client-side frameworks and code.

object| 0 object| 1 object| 2 object| 3 object| _204 object| _400 string| publicPathOverride boolean| ssr object| webpackJsonp object| App string| appName object| __APOLLO_STATE__ object| renderedClassNames string| detectedTimezone function| loadScript object| coursera string| locale object| _gaq function| clearImmediate function| setImmediate object| dataLayer function| gtag object| ReactIntlMixin number| 2f1acc6c3a606b082e5eef5e54414ffb object| __APOLLO_CLIENT__ object| ___gcfg object| context object| google_tag_manager function| postscribe object| google_tag_manager_external object| google_tag_data object| otEventListeners object| data object| uetq string| _randomPageId boolean| gtag_enable_tcf_support number| visit_count boolean| isNewVisit function| handleClickEvent function| onYouTubeIframeAPIReady boolean| REACT_RENDERED function| __uspapi object| usPrivacyCookie object| gamoo object| otCcpaOptOut function| dnsfeed object| OtTrustedType function| __tcfapi object| otStubData object| __otccpaooLocation object| otIabModule object| Optanon object| OneTrust string| OnetrustActiveGroups string| OptanonActiveGroups object| gaGlobal

7 Cookies

Domain/Path Name / Value
.coursera.org/ Name: CSRF3-Token
Value: 1762715839.14VEaHOGGgJuDRNf
.coursera.org/ Name: __204u
Value: 5375637650-1761851839653
.coursera.org/ Name: __400v
Value: 5ac637c5-57d4-4a6f-b56a-0999e23be070
www.coursera.org/ Name: usprivacy
Value: 1---
www.coursera.org/ Name: OneTrustWPCCPAGoogleOptOut
Value: true
.coursera.org/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Thu+Oct+30+2025+20%3A17%3A21+GMT%2B0100+(Mitteleurop%C3%A4ische+Normalzeit)&version=202508.2.0&browserGpcFlag=0&isIABGlobal=false&hosts=&consentId=dfc0ae71-3591-4533-adc8-83f67fe24bcf&interactionCount=0&isAnonUser=1&landingPath=https%3A%2F%2Fwww.coursera.org%2F%3Futm_medium%3Demail%26utm_source%3Dother%26utm_campaign%3Dopencourse.m9Rh-EPaEeqEIAr9EHdN-Q.announcements~opencourse.m9Rh-EPaEeqEIAr9EHdN-Q.20GEzSWWR4uJM1yb3C43Lg&groups=C0001%3A1%2CC0003%3A0%2CC0002%3A0%2CC0004%3A0
.coursera.org/ Name: __400vt
Value: 1761851845337

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

cdn.cookielaw.org
coursera_assets.s3.amazonaws.com
d3njjcbhbojbot.cloudfront.net
eventing.coursera.org
geolocation.onetrust.com
pagead2.googlesyndication.com
region1.google-analytics.com
www.coursera.org
www.googletagmanager.com
104.18.86.42
142.250.181.226
143.204.215.104
16.15.207.197
172.217.18.8
172.64.155.119
18.66.112.129
216.239.34.36
52.4.1.216
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