Submitted URL: https://support.libretexts.org/
Effective URL: https://commons.libretexts.org/support
Submission: On May 15 via api from US — Scanned from DE

Summary

This website contacted 6 IPs in 2 countries across 6 domains to perform 24 HTTP transactions. The main IP is 52.3.93.141, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is commons.libretexts.org. The Cisco Umbrella rank of the primary domain is 88868.
TLS certificate: Issued by Amazon RSA 2048 M02 on March 10th 2024. Valid for: a year.
This is the only time commons.libretexts.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 167.99.169.234 14061 (DIGITALOC...)
11 52.3.93.141 14618 (AMAZON-AES)
1 2a00:1450:400... 15169 (GOOGLE)
2 2001:4860:480... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
5 2606:4700:303... 13335 (CLOUDFLAR...)
3 2a00:1450:400... 15169 (GOOGLE)
24 6
Apex Domain
Subdomains
Transfer
12 libretexts.org
support.libretexts.org
commons.libretexts.org — Cisco Umbrella Rank: 88868
2 MB
5 libretexts.net
cdn.libretexts.net — Cisco Umbrella Rank: 71723
122 KB
3 gstatic.com
fonts.gstatic.com
95 KB
2 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 33
2 KB
2 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 2533
303 B
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 39
92 KB
24 6
Domain Requested by
11 commons.libretexts.org commons.libretexts.org
5 cdn.libretexts.net commons.libretexts.org
3 fonts.gstatic.com fonts.googleapis.com
2 fonts.googleapis.com commons.libretexts.org
client
2 region1.google-analytics.com www.googletagmanager.com
1 www.googletagmanager.com commons.libretexts.org
1 support.libretexts.org 1 redirects
24 7

This site contains links to these domains. Also see Links.

Domain
www.facebook.com
twitter.com
libretexts.org
status.libretexts.org
donate.libretexts.org
Subject Issuer Validity Valid
aws-prod-0.commons.libretexts.org
Amazon RSA 2048 M02
2024-03-10 -
2025-04-09
a year crt.sh
*.google-analytics.com
WR2
2024-05-06 -
2024-07-29
3 months crt.sh
upload.video.google.com
WR2
2024-05-06 -
2024-07-29
3 months crt.sh
libretexts.net
GTS CA 1P5
2024-04-23 -
2024-07-22
3 months crt.sh
*.gstatic.com
WR2
2024-05-06 -
2024-07-29
3 months crt.sh

This page contains 1 frames:

Primary Page: https://commons.libretexts.org/support
Frame ID: FAE0BF30301DA2483D304808995ED27C
Requests: 24 HTTP requests in this frame

Screenshot

Page Title

LibreTexts | Support Center

Page URL History Show full URLs

  1. https://support.libretexts.org/ HTTP 301
    https://commons.libretexts.org/support Page URL

Detected technologies

Overall confidence: 100%
Detected patterns

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

Page Statistics

24
Requests

100 %
HTTPS

71 %
IPv6

6
Domains

7
Subdomains

6
IPs

2
Countries

2750 kB
Transfer

2919 kB
Size

2
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://support.libretexts.org/ HTTP 301
    https://commons.libretexts.org/support Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

24 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request support
commons.libretexts.org/
Redirect Chain
  • https://support.libretexts.org/
  • https://commons.libretexts.org/support
3 KB
4 KB
Document
General
Full URL
https://commons.libretexts.org/support
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.3.93.141 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-3-93-141.compute-1.amazonaws.com
Software
/
Resource Hash
6bf72d2ab7b48a838828654c7800031d0e75e3bce6d49d70ff1a82f23131d7df
Security Headers
Name Value
Content-Security-Policy base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'

Request headers

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Win32"

Response headers

accept-ranges
bytes
cache-control
public, max-age=0
content-length
2858
content-security-policy
base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'
content-type
text/html; charset=UTF-8
date
Wed, 15 May 2024 00:08:31 GMT
etag
W/"b2a-18f787e24e0"
last-modified
Tue, 14 May 2024 19:04:44 GMT

Redirect headers

content-length
178
content-type
text/html
date
Wed, 15 May 2024 00:08:31 GMT
location
https://commons.libretexts.org/support
server
nginx/1.18.0 (Ubuntu)
normalize.css
commons.libretexts.org/
6 KB
7 KB
Stylesheet
General
Full URL
https://commons.libretexts.org/normalize.css
Requested by
Host: commons.libretexts.org
URL: https://commons.libretexts.org/support
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.3.93.141 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-3-93-141.compute-1.amazonaws.com
Software
/
Resource Hash
580818700724d42d7fcc4979b0197971fca1c6d2e0286769237a0ac897df5512
Security Headers
Name Value
Content-Security-Policy base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/support
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 15 May 2024 00:08:31 GMT
content-security-policy
base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'
last-modified
Tue, 14 May 2024 19:04:43 GMT
etag
W/"17fa-18f787e20f8"
content-type
text/css; charset=UTF-8
cache-control
public, max-age=0
accept-ranges
bytes
content-length
6138
js
www.googletagmanager.com/gtag/
265 KB
92 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-0P2RT3G484
Requested by
Host: commons.libretexts.org
URL: https://commons.libretexts.org/support
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
ab56e284f53e84bee05dd530d7e921bf2b1c0ac2708d82906327e8c141e7ccba
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 15 May 2024 00:08:31 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
94167
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Wed, 15 May 2024 00:08:31 GMT
index-c86ffc7f.js
commons.libretexts.org/assets/
2 MB
2 MB
Script
General
Full URL
https://commons.libretexts.org/assets/index-c86ffc7f.js
Requested by
Host: commons.libretexts.org
URL: https://commons.libretexts.org/support
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.3.93.141 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-3-93-141.compute-1.amazonaws.com
Software
/
Resource Hash
a4429d14111e3bcf941fb9a621b4311f64936e113e8864e3612fe8725c07ea3e
Security Headers
Name Value
Content-Security-Policy base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/support
Origin
https://commons.libretexts.org
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 15 May 2024 00:08:31 GMT
content-security-policy
base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'
last-modified
Tue, 14 May 2024 19:04:44 GMT
etag
W/"18fedd-18f787e24e0"
content-type
application/javascript; charset=UTF-8
cache-control
public, max-age=0
accept-ranges
bytes
content-length
1638109
index-74b95861.css
commons.libretexts.org/assets/
709 KB
711 KB
Stylesheet
General
Full URL
https://commons.libretexts.org/assets/index-74b95861.css
Requested by
Host: commons.libretexts.org
URL: https://commons.libretexts.org/support
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.3.93.141 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-3-93-141.compute-1.amazonaws.com
Software
/
Resource Hash
74b958615254ad925c025ef20ac6342e898c4aad95658f1e6b90d13729c2f419
Security Headers
Name Value
Content-Security-Policy base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/support
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 15 May 2024 00:08:31 GMT
content-security-policy
base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'
last-modified
Tue, 14 May 2024 19:04:44 GMT
etag
W/"b156d-18f787e24e0"
content-type
text/css; charset=UTF-8
cache-control
public, max-age=0
accept-ranges
bytes
content-length
726381
collect
region1.google-analytics.com/g/
0
258 B
Ping
General
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-0P2RT3G484&gtm=45je45d0v880849922za200&_p=1715731711690&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&cid=440347614.1715731712&ul=de-de&sr=1600x1200&uaa=x86&uab=64&uafvl=Chromium%3B124.0.6367.201%7CGoogle%2520Chrome%3B124.0.6367.201%7CNot-A.Brand%3B99.0.0.0&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&frm=0&pscdl=noapi&_s=1&sid=1715731711&sct=1&seg=0&dl=https%3A%2F%2Fcommons.libretexts.org%2Fsupport&dt=LibreCommons&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=921
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-0P2RT3G484
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Wed, 15 May 2024 00:08:31 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://commons.libretexts.org
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
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
css
fonts.googleapis.com/
3 KB
885 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic&subset=latin
Requested by
Host: commons.libretexts.org
URL: https://commons.libretexts.org/assets/index-74b95861.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
5e245f87c91e4cc60c4f66311f2691f187b9f710259f5f75cd6beff7598d6ddd
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

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

strict-transport-security
max-age=31536000
date
Wed, 15 May 2024 00:08:32 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
Tue, 14 May 2024 23:30:02 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, 15 May 2024 00:08:32 GMT
org
commons.libretexts.org/api/v1/
1 KB
2 KB
XHR
General
Full URL
https://commons.libretexts.org/api/v1/org
Requested by
Host: commons.libretexts.org
URL: https://commons.libretexts.org/assets/index-c86ffc7f.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.3.93.141 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-3-93-141.compute-1.amazonaws.com
Software
/
Resource Hash
5299fdcfdd918c77a47cf1c10f2a8317e74f34f0dd33aba3aca7d0517aed6d5f
Security Headers
Name Value
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sec-ch-ua
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Accept-Language
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sec-ch-ua-mobile
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Accept
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sec-ch-ua-platform
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Response headers

date
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content-security-policy
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Protocol
H3
Security
QUIC, , AES_128_GCM
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sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Wed, 15 May 2024 00:08:32 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
content-encoding
gzip
cf-cache-status
HIT
nel
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server
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vary
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priority
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Other
General
Full URL
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Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
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Software
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Request headers

sec-ch-ua
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Referer
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Accept-Language
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Wed, 15 May 2024 00:08:32 GMT
content-security-policy
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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Accept-Language
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

strict-transport-security
max-age=31536000
date
Wed, 15 May 2024 00:08:32 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
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x-xss-protection
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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
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cache-control
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timing-allow-origin
*
link
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expires
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libretexts.png
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56 KB
Image
General
Full URL
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H3
Security
QUIC, , AES_128_GCM
Server
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Software
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Security Headers
Name Value
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sec-ch-ua
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sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Wed, 15 May 2024 00:08:32 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
cf-cache-status
HIT
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x-envoy-upstream-healthchecked-cluster
alt-svc
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server
cloudflare
etag
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vary
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report-to
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x-rgw-object-type
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priority
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49 KB
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General
Full URL
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Protocol
H3
Security
QUIC, , AES_128_GCM
Server
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Software
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Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
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Accept-Language
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
Wed, 15 May 2024 00:08:32 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
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x-envoy-upstream-healthchecked-cluster
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server
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report-to
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content-type
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x-do-cdn-uuid
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x-rgw-object-type
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cache-control
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cf-ray
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priority
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Full URL
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Protocol
H2
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TLS 1.3, , AES_128_GCM
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Software
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Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://fonts.googleapis.com/
Origin
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Accept-Language
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sec-ch-ua-mobile
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User-Agent
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sec-ch-ua-platform
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Response headers

date
Mon, 13 May 2024 18:32:49 GMT
x-content-type-options
nosniff
age
106543
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
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content-length
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x-xss-protection
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last-modified
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server
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cross-origin-opener-policy
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General
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Protocol
H2
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TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.3.93.141 Ashburn, United States, ASN14618 (AMAZON-AES, US),
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/
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
Origin
https://commons.libretexts.org
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
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sec-ch-ua-platform
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Response headers

date
Wed, 15 May 2024 00:08:32 GMT
content-security-policy
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911 B
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Protocol
H2
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Software
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Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
Origin
https://commons.libretexts.org
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
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Response headers

date
Wed, 15 May 2024 00:08:32 GMT
content-security-policy
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etag
W/"a2-18f787e24e0"
content-type
application/javascript; charset=UTF-8
cache-control
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accept-ranges
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content-length
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1 KB
Image
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Full URL
https://cdn.libretexts.net/Icons/launchpad-rocket-icon.svg
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::ac43:d829 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
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Accept-Language
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sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 15 May 2024 00:08:32 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
content-encoding
gzip
cf-cache-status
HIT
nel
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x-amz-request-id
tx00000f567b4920164b60f-0066145335-4898437a-sfo3a
age
3755
x-envoy-upstream-healthchecked-cluster
alt-svc
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server
cloudflare
etag
W/"a6a4dd5a44fbe1ded15179973305b4d5"
vary
Origin, Access-Control-Request-Headers, Access-Control-Request-Method, Accept-Encoding
report-to
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content-type
image/svg+xml
x-do-cdn-uuid
3982ef86-b1ec-41a8-9ba1-491ee61921b1
x-rgw-object-type
Normal
cache-control
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cf-ray
883ee4e529dbbba1-FRA
priority
u=3,i
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cdn.libretexts.net/Logos/
11 KB
11 KB
Image
General
Full URL
https://cdn.libretexts.net/Logos/libretexts_full.png
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::ac43:d829 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 15 May 2024 00:08:33 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
cf-cache-status
MISS
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
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x-envoy-upstream-healthchecked-cluster
alt-svc
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content-length
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server
cloudflare
etag
"f741f49c152436a49f653056b4fb2136"
vary
Origin, Access-Control-Request-Headers, Access-Control-Request-Method, Accept-Encoding
report-to
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content-type
image/png
x-do-cdn-uuid
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x-rgw-object-type
Normal
cache-control
max-age=691200
accept-ranges
bytes
cf-ray
883ee4e529dcbba1-FRA
priority
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23 KB
23 KB
Font
General
Full URL
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Requested by
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URL: https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic&subset=latin
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
918b7dc3e2e2d015c16ce08b57bcb64d2253bafc1707658f361e72865498e537
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://fonts.googleapis.com/
Origin
https://commons.libretexts.org
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 08:02:21 GMT
x-content-type-options
nosniff
age
57971
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
23580
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
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icons-434466b5.woff2
commons.libretexts.org/assets/
39 KB
40 KB
Font
General
Full URL
https://commons.libretexts.org/assets/icons-434466b5.woff2
Requested by
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URL: https://commons.libretexts.org/assets/index-74b95861.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.3.93.141 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-3-93-141.compute-1.amazonaws.com
Software
/
Resource Hash
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Security Headers
Name Value
Content-Security-Policy base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/assets/index-74b95861.css
Origin
https://commons.libretexts.org
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
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sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 15 May 2024 00:08:32 GMT
content-security-policy
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last-modified
Tue, 14 May 2024 19:04:44 GMT
etag
W/"9cd4-18f787e24e0"
content-type
font/woff2
cache-control
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accept-ranges
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content-length
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Requested by
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URL: https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic&subset=latin
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://fonts.googleapis.com/
Origin
https://commons.libretexts.org
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Tue, 14 May 2024 14:09:50 GMT
x-content-type-options
nosniff
age
35922
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
23040
x-xss-protection
0
last-modified
Tue, 02 May 2023 15:07:25 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
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outline-icons-4d288344.woff2
commons.libretexts.org/assets/
12 KB
13 KB
Font
General
Full URL
https://commons.libretexts.org/assets/outline-icons-4d288344.woff2
Requested by
Host: commons.libretexts.org
URL: https://commons.libretexts.org/assets/index-74b95861.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.3.93.141 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-3-93-141.compute-1.amazonaws.com
Software
/
Resource Hash
4d2883443b24e424527f6a0a7aa2897b3df71f239db40373c4ff760e48147801
Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/assets/index-74b95861.css
Origin
https://commons.libretexts.org
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 15 May 2024 00:08:32 GMT
content-security-policy
base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'
last-modified
Tue, 14 May 2024 19:04:44 GMT
etag
W/"2fd0-18f787e24e0"
content-type
font/woff2
cache-control
public, max-age=0
accept-ranges
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content-length
12240
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54 KB
Font
General
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Requested by
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URL: https://commons.libretexts.org/assets/index-74b95861.css
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.3.93.141 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-3-93-141.compute-1.amazonaws.com
Software
/
Resource Hash
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Security Headers
Name Value
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Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/assets/index-74b95861.css
Origin
https://commons.libretexts.org
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Wed, 15 May 2024 00:08:32 GMT
content-security-policy
base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'
last-modified
Tue, 14 May 2024 19:04:44 GMT
etag
W/"d4d8-18f787e24e0"
content-type
font/woff2
cache-control
public, max-age=0
accept-ranges
bytes
content-length
54488
collect
region1.google-analytics.com/g/
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Ping
General
Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-0P2RT3G484
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua
"Google Chrome";v="124", "Not:A-Brand";v="8", "Chromium";v="124"
Referer
https://commons.libretexts.org/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

pragma
no-cache
date
Wed, 15 May 2024 00:08:36 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://commons.libretexts.org
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
0
expires
Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

7 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.

object| google_tag_manager object| google_tag_data object| dataLayer function| gtag function| onYouTubeIframeAPIReady object| gaGlobal function| saveAs

2 Cookies

Domain/Path Name / Value
.libretexts.org/ Name: _ga
Value: GA1.1.440347614.1715731712
.libretexts.org/ Name: _ga_0P2RT3G484
Value: GS1.1.1715731711.1.0.1715731711.0.0.0

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 base-uri 'self';child-src 'self' https://*.libretexts.org;connect-src 'self' https://*.libretexts.org *.google-analytics.com *.cloudfront.net;default-src 'self';font-src 'self' https://*.libretexts.org https://fonts.gstatic.com data:;frame-src 'self' https://*.libretexts.org https://*.cloudflare.com https://www.youtube.com https://*.cloudflarestream.com;img-src 'self' https: data:;object-src none;script-src 'self' https://*.libretexts.org https://*.cloudflare.com https://*.libretexts.net 'sha256-wjPyHKFbRc4HkIhBXM6I/dBX9NqqdnXFbz8jONRWKCU=' *.googletagmanager.com *.ssa.gov https://ajax.googleapis.com https://embed.cloudflarestream.com;style-src 'self' https://*.libretexts.org https://fonts.googleapis.com *.ssa.gov 'unsafe-inline'

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.libretexts.net
commons.libretexts.org
fonts.googleapis.com
fonts.gstatic.com
region1.google-analytics.com
support.libretexts.org
www.googletagmanager.com
167.99.169.234
2001:4860:4802:34::36
2606:4700:3034::ac43:d829
2a00:1450:4001:801::200a
2a00:1450:4001:812::2003
2a00:1450:4001:82f::2008
52.3.93.141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