URL: https://open-intro.com/
Submission: On August 07 via api from BE — Scanned from DE

Summary

This website contacted 8 IPs in 3 countries across 6 domains to perform 18 HTTP transactions. The main IP is 2606:4700:3031::6815:4ca4, located in United States and belongs to CLOUDFLARENET, US. The main domain is open-intro.com.
TLS certificate: Issued by WE1 on August 5th 2024. Valid for: 3 months.
This is the only time open-intro.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 2606:4700:303... 13335 (CLOUDFLAR...)
11 172.67.197.121 13335 (CLOUDFLAR...)
1 104.17.123.183 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
2 2001:4860:480... 15169 (GOOGLE)
1 2600:9000:211... 16509 (AMAZON-02)
18 8
Domain Requested by
12 open-intro.com open-intro.com
2 www.google-analytics.com open-intro.com
www.google-analytics.com
1 d1muf25xaso8hp.cloudfront.net
1 fonts.gstatic.com fonts.googleapis.com
1 fonts.googleapis.com open-intro.com
1 c82085ea20c0850da1ca0fcc4a1b76ec.cdn.bubble.io open-intro.com
18 6

This site contains no links.

Subject Issuer Validity Valid
open-intro.com
WE1
2024-08-05 -
2024-11-03
3 months crt.sh
bubble.io
Cloudflare Inc ECC CA-3
2023-11-16 -
2024-11-15
a year crt.sh
upload.video.google.com
WR2
2024-07-30 -
2024-10-22
3 months crt.sh
*.gstatic.com
WR2
2024-07-30 -
2024-10-22
3 months crt.sh
*.google-analytics.com
WR2
2024-07-30 -
2024-10-22
3 months crt.sh
*.cloudfront.net
Amazon RSA 2048 M01
2023-10-10 -
2024-09-19
a year crt.sh

This page contains 1 frames:

Primary Page: https://open-intro.com/
Frame ID: 646A4C4859B6BB186F7A54648D882960
Requests: 19 HTTP requests in this frame

Screenshot

Page Title

Open-Intro

Detected technologies

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Overall confidence: 100%
Detected patterns
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

18
Requests

100 %
HTTPS

71 %
IPv6

6
Domains

6
Subdomains

8
IPs

3
Countries

1052 kB
Transfer

4253 kB
Size

6
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

18 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
open-intro.com/
12 KB
4 KB
Document
General
Full URL
https://open-intro.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3031::6815:4ca4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
cb1654e18701441f268181d90bf3e9de4889fb695b2d871ccf7eb8a1c85ec6c6
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'none';
X-Frame-Options DENY

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

alt-svc
h3=":443"; ma=86400
cache-control
no-store
cf-cache-status
DYNAMIC
cf-ray
8af48fb69f948f36-FRA
content-encoding
br
content-security-policy
frame-ancestors 'none';
content-type
text/html
date
Wed, 07 Aug 2024 04:35:41 GMT
referrer-policy
origin
server
cloudflare
vary
Accept-Encoding
x-bubble-capacity-limit
0 ms slower
x-bubble-capacity-used
0.102 unit-seconds used
x-bubble-perf
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x-frame-options
DENY
x-powered-by
Express
early.js
open-intro.com/package/early_js/05ae9fe83d6b755291132aab9d325d70918aafd336da1bd91a41a31c8b25734b/
24 KB
9 KB
Script
General
Full URL
https://open-intro.com/package/early_js/05ae9fe83d6b755291132aab9d325d70918aafd336da1bd91a41a31c8b25734b/early.js
Requested by
Host: open-intro.com
URL: https://open-intro.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
450e62180e870526d437f065fa76a5d4e31517905e37a98184ef79b0fc2abd5b

Request headers

Referer
https://open-intro.com/
Origin
https://open-intro.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 07 Aug 2024 04:35:41 GMT
content-encoding
br
cf-cache-status
HIT
x-bubble-perf
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age
2352917
x-powered-by
Express
x-bubble-capacity-used
0.016 unit-seconds used
alt-svc
h3=":443"; ma=86400
server
cloudflare
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=31536000
timing-allow-origin
*
cf-ray
8af48fb8b8831ebe-AMS
x-bubble-capacity-limit
0 ms slower
run.css
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43 KB
7 KB
Stylesheet
General
Full URL
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Requested by
Host: open-intro.com
URL: https://open-intro.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
fa432447d8bca3387caac469b67984517a4e65a6ee5a842b5d5d6910215cfa55

Request headers

Referer
https://open-intro.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 07 Aug 2024 04:35:41 GMT
content-encoding
br
cf-cache-status
HIT
x-bubble-perf
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age
5708
cf-polished
origSize=57620
x-powered-by
Express
x-bubble-capacity-used
0.06 unit-seconds used
alt-svc
h3=":443"; ma=86400
cf-bgj
minify
server
cloudflare
vary
Accept-Encoding
content-type
text/css
access-control-allow-origin
*
cache-control
public, max-age=31536000
timing-allow-origin
*
cf-ray
8af48fb8b8851ebe-AMS
x-bubble-capacity-limit
0 ms slower
pre_run_jquery.js
open-intro.com/package/pre_run_jquery_js/dee903a9e36db713e4c86d0cdd96d921e37be0c1293ed8dee29e2e4d7713b9ff/
88 KB
32 KB
Script
General
Full URL
https://open-intro.com/package/pre_run_jquery_js/dee903a9e36db713e4c86d0cdd96d921e37be0c1293ed8dee29e2e4d7713b9ff/pre_run_jquery.js
Requested by
Host: open-intro.com
URL: https://open-intro.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
a0fe8723dcf55da64d06b25446d0a8513e52527c45afcb37073465f9c6f352af

Request headers

Referer
https://open-intro.com/
Origin
https://open-intro.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 07 Aug 2024 04:35:41 GMT
content-encoding
br
cf-cache-status
HIT
x-bubble-perf
{"total":116.5,"percents":{"top":{"bubble_cpu":7.7,"block":92.1,"capacity_rl":0,"other_pause":0,"pre_fiber":0.3},"sub":{"pp_userdb":7.7,"pp_wait_userdb":0,"http_request":0,"serverjson":3.9,"appserver_cache_misses_time":0,"redis":17.4,"fiber_queue":1.4,"capacity_wait":1.5}},"counts":{"pp_userdb":2,"http_request":0,"derived_build":0,"derived_cache_attempts":1,"derived_cache_memory_misses":1,"serverjson":2,"appserver_cache_attempts":0,"appserver_mem_cache_hits":0,"appserver_cache_hits":0,"appserver_cache_misses":0,"redis":21,"fiber_queue":25,"blocks":24},"misc":{"userdb_results":1,"userdb_data":4,"spent_time":8346854}}
age
11787570
x-powered-by
Express
x-bubble-capacity-used
0.128 unit-seconds used
alt-svc
h3=":443"; ma=86400
server
cloudflare
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=31536000
timing-allow-origin
*
cf-ray
8af48fb8b8861ebe-AMS
x-bubble-capacity-limit
0 ms slower
run.js
open-intro.com/package/run_js/da30ea5cebf17e480a0aba4e4d161d9b5ad7db762e7d2d406853628827b1da36/xfalse/x29/
3 MB
742 KB
Script
General
Full URL
https://open-intro.com/package/run_js/da30ea5cebf17e480a0aba4e4d161d9b5ad7db762e7d2d406853628827b1da36/xfalse/x29/run.js
Requested by
Host: open-intro.com
URL: https://open-intro.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
340148cd8305c097a2a4378b515da4f8d3ee8914da3070724aaddded5477d536

Request headers

Referer
https://open-intro.com/
Origin
https://open-intro.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 07 Aug 2024 04:35:41 GMT
content-encoding
br
cf-cache-status
HIT
x-bubble-perf
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age
32170
x-powered-by
Express
x-bubble-capacity-used
0.097 unit-seconds used
alt-svc
h3=":443"; ma=86400
server
cloudflare
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=31536000
timing-allow-origin
*
cf-ray
8af48fb8b8871ebe-AMS
x-bubble-capacity-limit
0 ms slower
static.js
open-intro.com/package/static_js/af756ee7bf5c6c3c537d130e60b544b969bc1d7197f9b9f257476d96bd5ccd89/introhq-16216/live/index/xnull/xfalse/xfalse/xfalse/
744 KB
165 KB
Script
General
Full URL
https://open-intro.com/package/static_js/af756ee7bf5c6c3c537d130e60b544b969bc1d7197f9b9f257476d96bd5ccd89/introhq-16216/live/index/xnull/xfalse/xfalse/xfalse/static.js
Requested by
Host: open-intro.com
URL: https://open-intro.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
0d89920c94761e0556badc96aa59cb89a0a412d8da9a1b164e99488f39123e65

Request headers

Referer
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Origin
https://open-intro.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 07 Aug 2024 04:35:41 GMT
content-encoding
gzip
cf-cache-status
HIT
x-bubble-perf
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x-powered-by
Express
x-bubble-capacity-used
0.206 unit-seconds used
alt-svc
h3=":443"; ma=86400
content-length
167782
server
cloudflare
etag
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vary
Accept-Encoding
content-type
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access-control-allow-origin
*
cache-control
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accept-ranges
bytes
timing-allow-origin
*
cf-ray
8af48fb8b8881ebe-AMS
x-bubble-capacity-limit
0 ms slower
dynamic.js
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41 KB
12 KB
Script
General
Full URL
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Requested by
Host: open-intro.com
URL: https://open-intro.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
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Request headers

Referer
https://open-intro.com/
Origin
https://open-intro.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 07 Aug 2024 04:35:41 GMT
content-encoding
br
cf-cache-status
HIT
x-bubble-perf
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server
cloudflare
x-powered-by
Express
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=31536000
x-bubble-capacity-used
0.263 unit-seconds used
timing-allow-origin
*
cf-ray
8af48fb8b8891ebe-AMS
alt-svc
h3=":443"; ma=86400
x-bubble-capacity-limit
0 ms slower
download.js
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6 KB
3 KB
Script
General
Full URL
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Requested by
Host: open-intro.com
URL: https://open-intro.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.123.183 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://open-intro.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 07 Aug 2024 04:35:41 GMT
content-encoding
br
x-amz-version-id
Gux_ClAaE1wOdsDKqIin84Gw2SKjFZSQ
cf-cache-status
HIT
x-amz-request-id
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age
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x-amz-meta-app-version
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alt-svc
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x-amz-id-2
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x-amz-meta-appname
meta
last-modified
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server
cloudflare
etag
W/"f11eccf77bd43d68d333948a5cb8495b"
vary
Accept-Encoding
content-type
text/javascript
cache-control
public,max-age=290304000
cf-ray
8af48fb8ecc566fa-AMS
css
fonts.googleapis.com/
22 KB
2 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Open+Sans:regular%7COpen+Sans:500%7COpen+Sans:600%7COpen+Sans:700
Requested by
Host: open-intro.com
URL: https://open-intro.com/package/early_js/05ae9fe83d6b755291132aab9d325d70918aafd336da1bd91a41a31c8b25734b/early.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80e::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
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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://open-intro.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Wed, 07 Aug 2024 04:35:41 GMT
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
x-xss-protection
0
last-modified
Wed, 07 Aug 2024 04:35:41 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
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
Wed, 07 Aug 2024 04:35:41 GMT
data
open-intro.com/api/1.1/init/
396 B
1 KB
XHR
General
Full URL
https://open-intro.com/api/1.1/init/data?location=https%3A%2F%2Fopen-intro.com%2F
Requested by
Host: open-intro.com
URL: https://open-intro.com/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
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Request headers

Referer
https://open-intro.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Wed, 07 Aug 2024 04:35:41 GMT
cf-cache-status
DYNAMIC
x-bubble-perf
{"total":63,"percents":{"top":{"bubble_cpu":10.8,"block":87.2,"capacity_rl":0,"other_pause":0,"pre_fiber":1.7},"sub":{"pp_userdb":14.3,"pp_wait_userdb":0,"http_request":0,"serverjson":47,"appserver_cache_misses_time":0,"redis":47.1,"fiber_queue":16.9,"capacity_wait":2.4}},"counts":{"pp_userdb":1,"http_request":0,"derived_build":0,"derived_cache_attempts":1,"derived_cache_memory_misses":1,"serverjson":4,"appserver_cache_attempts":0,"appserver_mem_cache_hits":0,"appserver_cache_hits":0,"appserver_cache_misses":0,"redis":17,"fiber_queue":21,"blocks":20},"misc":{"userdb_results":0,"userdb_data":0,"spent_time":8023637}}
server
cloudflare
x-powered-by
Express
x-bubble-capacity-used
0.123 unit-seconds used
cf-ray
8af48fb8f8951ebe-AMS
alt-svc
h3=":443"; ma=86400
x-bubble-capacity-limit
0 ms slower
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fonts.gstatic.com/s/opensans/v40/
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48 KB
Font
General
Full URL
https://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css?family=Open+Sans:regular%7COpen+Sans:500%7COpen+Sans:600%7COpen+Sans:700
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
3c4d6a1421c7ddb7e404521fe8c4cd5be5af446d7689cd880be26612eaad3cfa
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://open-intro.com
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 06 Aug 2024 14:56:39 GMT
x-content-type-options
nosniff
age
49142
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
content-length
48236
x-xss-protection
0
last-modified
Thu, 14 Dec 2023 02:08:40 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
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content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Wed, 06 Aug 2025 14:56:39 GMT
analytics.js
www.google-analytics.com/
52 KB
21 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: open-intro.com
URL: https://open-intro.com/package/dynamic_js/ce2995e0fa69b84d3edae895d8950105158a2b9b97bebeebf83394c4ab3d1ec7/introhq-16216/live/index/xnull/xfalse/xfalse/en_us/xfalse/xfalse/dynamic.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:38::178 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://open-intro.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Wed, 07 Aug 2024 03:15:05 GMT
last-modified
Tue, 12 Dec 2023 18:09:08 GMT
server
Golfe2
age
4837
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
content-length
20994
expires
Wed, 07 Aug 2024 05:15:05 GMT
truncated
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42 B
0
Image
General
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
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Request headers

Referer
https://open-intro.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Content-Type
image/gif
hi
open-intro.com/user/
57 B
847 B
XHR
General
Full URL
https://open-intro.com/user/hi
Requested by
Host: open-intro.com
URL: https://open-intro.com/package/pre_run_jquery_js/dee903a9e36db713e4c86d0cdd96d921e37be0c1293ed8dee29e2e4d7713b9ff/pre_run_jquery.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
ae7e8fc97d4e68f4fe1d3062fe9c08a4a11a5017073104338121c86d24cda8ed

Request headers

X-Bubble-Epoch-Name
Epoch: Runmode page fully loaded
X-Bubble-Epoch-ID
1723005342074x448481372622037100
X-Bubble-Fiber-ID
1723005342088x490134435294149440
X-Bubble-PL
1723005341419x674
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Content-Type
application/json
Accept
application/json, text/javascript, */*; q=0.01
X-Bubble-R
https://open-intro.com/
cache-control
no-cache
Referer
https://open-intro.com/
X-Requested-With
XMLHttpRequest
X-Bubble-Breaking-Revision
5

Response headers

date
Wed, 07 Aug 2024 04:35:42 GMT
content-encoding
br
cf-cache-status
DYNAMIC
x-bubble-perf
{"total":42.7,"percents":{"top":{"bubble_cpu":9.8,"block":86.7,"capacity_rl":0,"other_pause":0,"pre_fiber":3.5},"sub":{"pp_userdb":0,"pp_wait_userdb":0,"http_request":0,"serverjson":11.6,"appserver_cache_misses_time":0,"redis":26.3,"fiber_queue":6.3,"capacity_wait":34.9}},"counts":{"pp_userdb":0,"http_request":0,"derived_build":0,"serverjson":2,"appserver_cache_attempts":0,"appserver_mem_cache_hits":0,"appserver_cache_hits":0,"appserver_cache_misses":0,"redis":12,"fiber_queue":14,"blocks":13},"misc":{"userdb_results":0,"userdb_data":0,"spent_time":627594}}
server
cloudflare
x-bubble-appname
introhq-16216
x-powered-by
Express
x-bubble-request-took
43
vary
Accept-Encoding
content-type
application/json
cache-control
no-cache
x-bubble-capacity-used
0.01 unit-seconds used
cf-ray
8af48fbc19731ebe-AMS
alt-svc
h3=":443"; ma=86400
x-bubble-capacity-limit
0 ms slower
collect
www.google-analytics.com/j/
3 B
207 B
XHR
General
Full URL
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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
2001:4860:4802:38::178 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
1cffc2b3146584685cd72751d7f28aa030ab9ae2f1bc78f2c27909f8d8287b26
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://open-intro.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Wed, 07 Aug 2024 04:35:42 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://open-intro.com
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
content-length
3
expires
Fri, 01 Jan 1990 00:00:00 GMT
https%3A%2F%2Fc82085ea20c0850da1ca0fcc4a1b76ec.cdn.bubble.io%2Ff1722811367279x776959521455056900%2FfavIcon.png
d1muf25xaso8hp.cloudfront.net/
2 KB
2 KB
Other
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:211e:ee00:1c:37e5:3f40:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
imgix /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://open-intro.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Mon, 05 Aug 2024 01:50:13 GMT
via
1.1 cbe141923b7469a299306144733821c2.cloudfront.net (CloudFront)
x-content-type-options
nosniff
x-amz-cf-pop
FRA56-C2
age
193640
x-cache
Hit from cloudfront
x-imgix-id
21ee5d928d53e6f1b0bac8c5d7900a29946e385f
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
1880
x-served-by
cache-sjc1000090-SJC, cache-fra-eddf8230105-FRA
last-modified
Sun, 04 Aug 2024 22:48:22 GMT
server
imgix
content-type
image/jpeg
access-control-allow-origin
*
cache-control
public, max-age=2592000
accept-ranges
bytes
timing-allow-origin
*
x-amz-cf-id
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m
open-intro.com/user/
4 B
657 B
XHR
General
Full URL
https://open-intro.com/user/m
Requested by
Host: open-intro.com
URL: https://open-intro.com/package/pre_run_jquery_js/dee903a9e36db713e4c86d0cdd96d921e37be0c1293ed8dee29e2e4d7713b9ff/pre_run_jquery.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
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Request headers

X-Bubble-Fiber-ID
1723005342197x456689064688455360
X-Bubble-PL
1723005341419x674
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Content-Type
application/json
Accept
application/json, text/javascript, */*; q=0.01
X-Bubble-R
https://open-intro.com/
cache-control
no-cache
Referer
https://open-intro.com/
X-Requested-With
XMLHttpRequest
X-Bubble-Breaking-Revision
5

Response headers

date
Wed, 07 Aug 2024 04:35:42 GMT
cf-cache-status
DYNAMIC
x-bubble-perf
{"total":16.9,"percents":{"top":{"bubble_cpu":36.3,"block":56.3,"capacity_rl":0,"other_pause":0,"pre_fiber":5.7},"sub":{"pp_userdb":0,"pp_wait_userdb":0,"http_request":0,"serverjson":0,"appserver_cache_misses_time":0,"redis":27.4,"fiber_queue":3.5,"capacity_wait":9.4}},"counts":{"pp_userdb":0,"http_request":0,"derived_build":0,"serverjson":0,"appserver_cache_attempts":0,"appserver_mem_cache_hits":0,"appserver_cache_hits":0,"appserver_cache_misses":0,"redis":10,"fiber_queue":13,"blocks":12},"misc":{"userdb_results":0,"userdb_data":0,"spent_time":917901}}
server
cloudflare
x-powered-by
Express
x-bubble-capacity-used
0.014 unit-seconds used
cf-ray
8af48fbcc9bc1ebe-AMS
alt-svc
h3=":443"; ma=86400
x-bubble-capacity-limit
0 ms slower
apm
open-intro.com/user/
4 B
724 B
XHR
General
Full URL
https://open-intro.com/user/apm
Requested by
Host: open-intro.com
URL: https://open-intro.com/package/pre_run_jquery_js/dee903a9e36db713e4c86d0cdd96d921e37be0c1293ed8dee29e2e4d7713b9ff/pre_run_jquery.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
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Request headers

X-Bubble-Fiber-ID
1723005343803x729955947322396900
X-Bubble-PL
1723005341419x674
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Content-Type
application/json
Accept
application/json, text/javascript, */*; q=0.01
X-Bubble-R
https://open-intro.com/
cache-control
no-cache
Referer
https://open-intro.com/
X-Requested-With
XMLHttpRequest
X-Bubble-Breaking-Revision
5

Response headers

date
Wed, 07 Aug 2024 04:35:44 GMT
content-encoding
br
cf-cache-status
DYNAMIC
x-bubble-perf
{"total":14.6,"percents":{"top":{"bubble_cpu":24.2,"block":70,"capacity_rl":0,"other_pause":0,"pre_fiber":5.9},"sub":{"pp_userdb":0,"pp_wait_userdb":0,"http_request":0,"serverjson":0,"appserver_cache_misses_time":0,"redis":48.7,"fiber_queue":3.6,"capacity_wait":12.8}},"counts":{"pp_userdb":0,"http_request":0,"derived_build":0,"serverjson":0,"appserver_cache_attempts":0,"appserver_mem_cache_hits":0,"appserver_cache_hits":0,"appserver_cache_misses":0,"redis":10,"fiber_queue":12,"blocks":11},"misc":{"userdb_results":0,"userdb_data":0,"spent_time":531203}}
server
cloudflare
x-bubble-appname
introhq-16216
x-powered-by
Express
x-bubble-request-took
14
vary
Accept-Encoding
content-type
application/json
cache-control
no-cache
x-bubble-capacity-used
0.008 unit-seconds used
cf-ray
8af48fc6dd651ebe-AMS
alt-svc
h3=":443"; ma=86400
x-bubble-capacity-limit
0 ms slower
frg
open-intro.com/
5 B
722 B
XHR
General
Full URL
https://open-intro.com/frg
Requested by
Host: open-intro.com
URL: https://open-intro.com/package/pre_run_jquery_js/dee903a9e36db713e4c86d0cdd96d921e37be0c1293ed8dee29e2e4d7713b9ff/pre_run_jquery.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
172.67.197.121 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Express
Resource Hash
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Request headers

X-Bubble-Fiber-ID
1723005345199x269849961222374600
X-Bubble-PL
1723005341419x674
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Content-Type
application/json
Accept
application/json, text/javascript, */*; q=0.01
X-Bubble-R
https://open-intro.com/
cache-control
no-cache
Referer
https://open-intro.com/
X-Requested-With
XMLHttpRequest
X-Bubble-Breaking-Revision
5

Response headers

date
Wed, 07 Aug 2024 04:35:45 GMT
content-encoding
br
cf-cache-status
DYNAMIC
x-bubble-perf
{"total":7.2,"percents":{"top":{"bubble_cpu":38.1,"block":52.8,"capacity_rl":0,"other_pause":0,"pre_fiber":9.3},"sub":{"pp_userdb":0,"pp_wait_userdb":0,"http_request":0,"serverjson":0,"appserver_cache_misses_time":0,"redis":41.7,"fiber_queue":3.4,"capacity_wait":0}},"counts":{"pp_userdb":0,"http_request":0,"derived_build":0,"serverjson":0,"appserver_cache_attempts":0,"appserver_mem_cache_hits":0,"appserver_cache_hits":0,"appserver_cache_misses":0,"redis":5,"fiber_queue":7,"blocks":6},"misc":{"userdb_results":0,"userdb_data":0,"spent_time":412784}}
server
cloudflare
x-bubble-appname
introhq-16216
x-powered-by
Express
x-bubble-request-took
7
vary
Accept-Encoding
content-type
application/json
cache-control
no-cache
x-bubble-capacity-used
0.006 unit-seconds used
cf-ray
8af48fcf88121ebe-AMS
alt-svc
h3=":443"; ma=86400
x-bubble-capacity-limit
0 ms slower

Verdicts & Comments Add Verdict or Comment

64 JavaScript Global Variables

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

string| bubble_session_uid object| headers_source_maps function| make_proxy function| appquery function| Lib function| load_error_function object| load_error_log function| disableLoadErrorFunction object| _bubble_page_load_data object| webfont object| WebFont function| FontFaceObserver string| gm_key string| bubble_page_load_id string| bubble_plp_token string| _p string| bubble_page_name function| $ function| jQuery boolean| google_web_fonts_active object| fontface_loaded boolean| all_fontface_loaded string| bubble_bundle_name function| clearImmediate function| setImmediate object| BrowserDetect function| highlight_dom_changes function| local_storage_fallback object| u object| element_performance_counts function| kill_notifier_socket function| restore_notifier_socket number| server_time_offset object| client_db object| safe_require object| __algolia object| testing function| authenticate_as object| document_ready_key function| gapListener function| display_page function| switch_page function| Lib_post_load object| preloaded number| bubble_version object| __code__ object| optional_modules function| initialize_stripe_form object| plugins object| bubble_run_derived string| GoogleAnalyticsObject function| ga object| translation_data object| language_data string| application_language object| app function| everything_ready function| wait_for_everything function| download number| render_end_timestamp object| google_tag_data object| gaplugins object| gaGlobal object| gaData

6 Cookies

Domain/Path Name / Value
.open-intro.com/ Name: introhq-16216_live_u2main
Value: bus|1723005341363x304511952886033000|1723005341378x928935724583676400
.open-intro.com/ Name: introhq-16216_live_u2main.sig
Value: nSl8e6qxxWGaTNm8ZF4yCD4cr5Q
.open-intro.com/ Name: introhq-16216_u1main
Value: 1723005341363x304511952886033000
.open-intro.com/ Name: _ga
Value: GA1.2.327715767.1723005342
.open-intro.com/ Name: _gid
Value: GA1.2.495723502.1723005342
.open-intro.com/ Name: _gat
Value: 1

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
Content-Security-Policy frame-ancestors 'none';
X-Frame-Options DENY

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.

c82085ea20c0850da1ca0fcc4a1b76ec.cdn.bubble.io
d1muf25xaso8hp.cloudfront.net
fonts.googleapis.com
fonts.gstatic.com
open-intro.com
www.google-analytics.com
104.17.123.183
172.67.197.121
2001:4860:4802:38::178
2600:9000:211e:ee00:1c:37e5:3f40:21
2606:4700:3031::6815:4ca4
2a00:1450:4001:80e::200a
2a00:1450:4001:831::2003
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