chem.libretexts.org Open in urlscan Pro
2600:9000:2359:c600:11:2451:2fc0:93a1 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://chem.libretexts.org/
Effective URL:
https://chem.libretexts.org/
Submission: On June 14 via api (June 14th 2024, 2:33:39 am UTC) from US — Scanned from DE

Summary HTTP 132 Redirects Links 7 Behaviour Indicators

Summary

This website contacted 23 IPs in 3 countries across 17 domains to perform 132 HTTP transactions. The main IP is 2600:9000:2359:c600:11:2451:2fc0:93a1, located in United States and belongs to AMAZON-02, US. The main domain is chem.libretexts.org. The Cisco Umbrella rank of the primary domain is 149238.
TLS certificate: Issued by Amazon RSA 2048 M01 on June 13th 2023. Valid for: a year.

This is the only time chem.libretexts.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
3 12	2600:9000:235... 2600:9000:2359:c600:11:2451:2fc0:93a1	16509 (AMAZON-02) (AMAZON-02)
14	143.204.215.69 143.204.215.69	16509 (AMAZON-02) (AMAZON-02)
41	2606:4700:303... 2606:4700:3034::ac43:d829	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4 6	2606:4700::68... 2606:4700::6811:f5cb	13335 (CLOUDFLAR...) (CLOUDFLARENET)
23	2606:4700::68... 2606:4700::6811:180e	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2606:4700::68... 2606:4700::6812:bb1f	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1 5	2606:4700:10:... 2606:4700:10::6816:369f	13335 (CLOUDFLAR...) (CLOUDFLARENET)
5	2a00:1450:400... 2a00:1450:4001:81d::200a	15169 (GOOGLE) (GOOGLE)
4	2606:4700:303... 2606:4700:3036::6815:1b98	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2606:4700:440... 2606:4700:4400::6812:2844	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2606:4700::68... 2606:4700::6810:4f49	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2a00:1450:400... 2a00:1450:4001:830::2008	15169 (GOOGLE) (GOOGLE)
2	3.84.48.190 3.84.48.190	14618 (AMAZON-AES) (AMAZON-AES)
3	2a00:1450:400... 2a00:1450:4001:828::200e	15169 (GOOGLE) (GOOGLE)
3	2a00:1450:400... 2a00:1450:4001:829::2003	15169 (GOOGLE) (GOOGLE)
3	143.204.215.73 143.204.215.73	16509 (AMAZON-02) (AMAZON-02)
3	2001:4860:480... 2001:4860:4802:32::36	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:400c:c0b::9a	15169 (GOOGLE) (GOOGLE)
1	2606:4700:10:... 2606:4700:10::6816:379f	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2a00:1450:400... 2a00:1450:4001:80b::2004	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:81c::2003	15169 (GOOGLE) (GOOGLE)
2	2606:4700:10:... 2606:4700:10::6816:33f9	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2606:4700::68... 2606:4700::6810:5049	13335 (CLOUDFLAR...) (CLOUDFLARENET)
132	23

12 2600:9000:2359:c600:11:2451:2fc0:93a1 (United States) 3 redirects

ASN16509 (AMAZON-02, US)

chem.libretexts.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

14 143.204.215.69 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-143-204-215-69.fra53.r.cloudfront.net

a.mtstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

41 2606:4700:3034::ac43:d829 (United States)

ASN13335 (CLOUDFLARENET, US)

cdn.libretexts.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 2606:4700::6811:f5cb (United States) 4 redirects

ASN13335 (CLOUDFLARENET, US)

unpkg.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

23 2606:4700::6811:180e (United States)

ASN13335 (CLOUDFLARENET, US)

cdnjs.cloudflare.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2606:4700::6812:bb1f (United States)

ASN13335 (CLOUDFLARENET, US)

cdn.jsdelivr.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 2606:4700:10::6816:369f (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

hypothes.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
cdn.hypothes.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 2a00:1450:4001:81d::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2606:4700:3036::6815:1b98 (United States)

ASN13335 (CLOUDFLARENET, US)

use.fontawesome.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700:4400::6812:2844 (United States)

ASN13335 (CLOUDFLARENET, US)

pro.fontawesome.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700::6810:4f49 (United States)

ASN13335 (CLOUDFLARENET, US)

static.cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:830::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 3.84.48.190 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-84-48-190.compute-1.amazonaws.com

matomo-test-ecs.libretexts.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:4001:828::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:4001:829::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 143.204.215.73 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-143-204-215-73.fra53.r.cloudfront.net

files.mtstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)

region1.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
region1.analytics.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:400c:c0b::9a (Brussels, Belgium)

ASN15169 (GOOGLE, US)

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700:10::6816:379f (United States)

ASN13335 (CLOUDFLARENET, US)

hypothes.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:80b::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:81c::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google.de	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2606:4700:10::6816:33f9 (United States)

ASN13335 (CLOUDFLARENET, US)

donorbox.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2606:4700::6810:5049 (United States)

ASN13335 (CLOUDFLARENET, US)

cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
41	libretexts.net cdn.libretexts.net — Cisco Umbrella Rank: 110529	807 KB
23	cloudflare.com cdnjs.cloudflare.com — Cisco Umbrella Rank: 265	648 KB
17	mtstatic.com a.mtstatic.com — Cisco Umbrella Rank: 25983 files.mtstatic.com — Cisco Umbrella Rank: 60760	862 KB
14	libretexts.org 3 redirects chem.libretexts.org — Cisco Umbrella Rank: 149238 matomo-test-ecs.libretexts.org — Cisco Umbrella Rank: 156241	61 KB
6	hypothes.is 1 redirects hypothes.is — Cisco Umbrella Rank: 43934 cdn.hypothes.is — Cisco Umbrella Rank: 87574	72 KB
6	unpkg.com 4 redirects unpkg.com — Cisco Umbrella Rank: 1017	21 KB
5	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 68 region1.google-analytics.com — Cisco Umbrella Rank: 2347	21 KB
5	fontawesome.com use.fontawesome.com — Cisco Umbrella Rank: 1380 pro.fontawesome.com — Cisco Umbrella Rank: 8276	117 KB
5	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 77	32 KB
3	gstatic.com fonts.gstatic.com	301 KB
3	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 951 cloudflareinsights.com — Cisco Umbrella Rank: 924	7 KB
2	donorbox.org donorbox.org — Cisco Umbrella Rank: 63119	7 KB
2	google.de www.google.de — Cisco Umbrella Rank: 8196	126 B
2	google.com www.google.com — Cisco Umbrella Rank: 5 region1.analytics.google.com — Cisco Umbrella Rank: 3078	117 B
2	doubleclick.net stats.g.doubleclick.net — Cisco Umbrella Rank: 132	398 B
2	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 79	191 KB
2	jsdelivr.net cdn.jsdelivr.net — Cisco Umbrella Rank: 373	3 KB
132	17

	Domain	Requested by
41	cdn.libretexts.net	chem.libretexts.org cdn.libretexts.net
23	cdnjs.cloudflare.com	chem.libretexts.org cdnjs.cloudflare.com cdn.libretexts.net
14	a.mtstatic.com	chem.libretexts.org a.mtstatic.com
12	chem.libretexts.org	3 redirects chem.libretexts.org cdn.libretexts.net
6	unpkg.com	4 redirects chem.libretexts.org
5	fonts.googleapis.com	chem.libretexts.org cdn.libretexts.net donorbox.org
4	use.fontawesome.com	chem.libretexts.org use.fontawesome.com
4	cdn.hypothes.is	chem.libretexts.org hypothes.is
3	files.mtstatic.com	chem.libretexts.org
3	fonts.gstatic.com	fonts.googleapis.com
3	www.google-analytics.com	chem.libretexts.org www.google-analytics.com
2	cloudflareinsights.com	static.cloudflareinsights.com
2	donorbox.org	cdn.libretexts.net donorbox.org
2	www.google.de	chem.libretexts.org
2	stats.g.doubleclick.net	www.google-analytics.com www.googletagmanager.com
2	region1.google-analytics.com	www.googletagmanager.com
2	matomo-test-ecs.libretexts.org	chem.libretexts.org matomo-test-ecs.libretexts.org
2	www.googletagmanager.com	chem.libretexts.org www.google-analytics.com
2	hypothes.is	1 redirects cdn.hypothes.is
2	cdn.jsdelivr.net	chem.libretexts.org cdn.libretexts.net
1	region1.analytics.google.com	www.googletagmanager.com
1	www.google.com	chem.libretexts.org
1	static.cloudflareinsights.com	chem.libretexts.org
1	pro.fontawesome.com	chem.libretexts.org
132	24

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

Domain
register.libretexts.org
commons.libretexts.org
libretexts.org
mindtouch.com
www.nice.com

Subject Issuer	Validity	Valid
*.libretexts.org Amazon RSA 2048 M01	`2023-06-13` - `2024-07-11`	a year	crt.sh
*.mtstatic.com Amazon RSA 2048 M01	`2023-08-02` - `2024-08-30`	a year	crt.sh
libretexts.net GTS CA 1P5	`2024-04-23` - `2024-07-22`	3 months	crt.sh
cdnjs.cloudflare.com E1	`2024-06-02` - `2024-08-31`	3 months	crt.sh
*.jsdelivr.net Sectigo RSA Domain Validation Secure Server CA	`2024-05-04` - `2025-05-04`	a year	crt.sh
upload.video.google.com WR2	`2024-05-27` - `2024-08-19`	3 months	crt.sh
use.fontawesome.com Cloudflare Inc ECC CA-3	`2023-10-12` - `2024-10-10`	a year	crt.sh
*.fontawesome.com DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-12-04` - `2025-01-03`	a year	crt.sh
cloudflareinsights.com GTS CA 1P5	`2024-05-08` - `2024-08-06`	3 months	crt.sh
*.google-analytics.com WR2	`2024-05-27` - `2024-08-19`	3 months	crt.sh
matomo-test-ecs.libretexts.org Amazon RSA 2048 M03	`2024-03-09` - `2025-04-07`	a year	crt.sh
*.gstatic.com WR2	`2024-05-27` - `2024-08-19`	3 months	crt.sh
hypothes.is E1	`2024-05-25` - `2024-08-23`	3 months	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2024-05-21` - `2024-08-13`	3 months	crt.sh
*.google.com WR2	`2024-05-27` - `2024-08-19`	3 months	crt.sh
*.google.de WR2	`2024-05-27` - `2024-08-19`	3 months	crt.sh
donorbox.org E1	`2024-05-28` - `2024-08-26`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://chem.libretexts.org/
Frame ID: FA55F89B7993FAC66C22C2616AEA621F
Requests: 130 HTTP requests in this frame

Frame: https://hypothes.is/app.html
Frame ID: 388924E3938526BCE1566EB6CC1E5055
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Home - Chemistry LibreTexts

Page URL History Show full URLs

http://chem.libretexts.org/ HTTP 307
https://chem.libretexts.org/ Page URL

Detected technologies

MathJax (JavaScript Graphics) Expand

Overall confidence: 100%
Detected patterns

([\d.]+)?/mathjax\.js

Bootstrap (Web Frameworks) Expand

Overall confidence: 100%
Detected patterns

bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

RequireJS (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

require.*\.js

Cloudflare Browser Insights (Analytics) Expand

Overall confidence: 100%
Detected patterns

static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Font Awesome (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtag/js

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

jsDelivr (CDN) Expand

Overall confidence: 100%
Detected patterns

//cdn\.jsdelivr\.net/

Page Statistics

132
Requests

95 %
HTTPS

87 %
IPv6

17
Domains

24
Subdomains

23
IPs

3
Countries

3149 kB
Transfer

10210 kB
Size

13
Cookies

7 Outgoing links

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

URL: https://register.libretexts.org/
Title: how_to_reg Request Instructor Account

Search URL Search Domain Scan URL

URL: https://commons.libretexts.org/
Title: hub Instructor Commons

Search URL Search Domain Scan URL

URL: https://libretexts.org/
Title: LibreTexts project

Search URL Search Domain Scan URL

URL: https://mindtouch.com/demo
Title: Powered by CXone Expert ®

Search URL Search Domain Scan URL

URL: https://www.nice.com/resources/cxone-expert-knowledge-management
Title: Powered by NICE CXone Expert

Search URL Search Domain Scan URL

URL: https://libretexts.org/legal/index.html
Title: Legal

Search URL Search Domain Scan URL

URL: https://commons.libretexts.org/accessibility
Title: Accessibility Statement

Search URL Search Domain Scan URL

Page URL History

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

http://chem.libretexts.org/ HTTP 307
https://chem.libretexts.org/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 14

https://unpkg.com/@popperjs/core@2 HTTP 302
https://unpkg.com/@popperjs/core@2.11.8 HTTP 302
https://unpkg.com/@popperjs/core@2.11.8/dist/umd/popper.min.js

Request Chain 15

https://unpkg.com/tippy.js@6 HTTP 302
https://unpkg.com/tippy.js@6.3.7 HTTP 302
https://unpkg.com/tippy.js@6.3.7/dist/tippy-bundle.umd.min.js

Request Chain 39

https://hypothes.is/embed.js HTTP 302
https://cdn.hypothes.is/hypothesis

Request Chain 77

https://chem.libretexts.org/@api/deki/files/48600/mindtouch.page%2523thumbnail?revision=6 HTTP 302
https://files.mtstatic.com/site_4334/48600/5?Expires=1718334900&Signature=GjItgj~3zsv4WlYMBELHMz~a2mhJ8b42G1woci4mUCa9KptcxOnCEuGj9Z9MUUHUzbrE3yXWNt7RWFzzuV0no-4EmgktRxkZLTxeLiykaaDpxP~-bFfuVTDK4vnct3VwtD1v6ydEbtM4WfmdZlRQJpPTrlh5YMwo~MTCA3gj8bs_&Key-Pair-Id=APKAJ5Y6AV4GI7A555NA

Request Chain 78

https://chem.libretexts.org/@api/deki/files/48598/mindtouch.page%2523thumbnail?revision=5 HTTP 302
https://files.mtstatic.com/site_4334/48598/4?Expires=1718334900&Signature=ckR7SmaJYbXofCOAsCj7ZSiGrndcqZ08gKevcf1XjSeAuK-5oIF1tYoBVzlXHV-6eiPaDA9WUpVuQCmuDB~ITRqjxnnpjvA5aUqYPCXI4gla-pbaDecSlRv~vBP8x2P5P-keIwp7XKcZGJgYAToq0b7TlS6sMcbumtxpbda6AYg_&Key-Pair-Id=APKAJ5Y6AV4GI7A555NA

Request Chain 79

https://chem.libretexts.org/@api/deki/files/145917/mindtouch.page%2523thumbnail?revision=2 HTTP 302
https://files.mtstatic.com/site_4334/145917/1?Expires=1718334901&Signature=gfdegCuTX2wyMG4R4BP8zzOUuonhSulX0NvIfI6SsPxsiAYo8RPJfCZrhHMG2uQuI4jIlhshBTeyeATLk6nqUw-tLLvtLZFiKCJzp4B8gk6HvRnmPEHNKYB5lZFTjYvpDHBQyzJgA~xJuVYI25FOM8sR8280x14gWGPkDidaOG4_&Key-Pair-Id=APKAJ5Y6AV4GI7A555NA

132 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
chem.libretexts.org/
Redirect Chain

http://chem.libretexts.org/
https://chem.libretexts.org/

104 KB
24 KB

939ms
607ms

Document
text/html

2600:9000:2359:c600:11:2451:2fc0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://chem.libretexts.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:2359:c600:11:2451:2fc0:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Resource Hash

8f75c6d4e513e634ce862fdacfa2ba42975559fc1fbdcfb0408f1898dd167816

Security Headers

Name	Value
Content-Security-Policy	upgrade-insecure-requests; default-src https: data: filesystem: blob: mediastream: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss:
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

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/126.0.0.0 Safari/537.36

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: no-cache, no-store, must-revalidate, max-age=0
content-encoding: br
content-language: en-US
content-length: 23844
content-security-policy: upgrade-insecure-requests; default-src https: data: filesystem: blob: mediastream: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss:
content-type: text/html; charset=utf-8
date: Fri, 14 Jun 2024 02:33:31 GMT
expires: -1
strict-transport-security: max-age=31536000; includeSubDomains
vary: Accept-Encoding,Cookie
via: 1.1 83f879b9257b55a619d0b5d3165412a6.cloudfront.net (CloudFront)
x-amz-cf-id: uTEZ_vCnI3wEhHIjaF2jOa8uct03Dd9JVuc42J_iPpod14N_glPPWw==
x-amz-cf-pop: FRA60-P10
x-cache: Miss from cloudfront
x-content-type-options: nosniff
x-deki-site: id=site_4334
x-xss-protection: 1; mode=block

Redirect headers

Location: https://chem.libretexts.org/
Non-Authoritative-Reason: HttpsUpgrades

GET
H2 200 anonymous.css
a.mtstatic.com/@cache/layout/ 1 MB
122 KB 285ms
48ms Stylesheet
text/css 143.204.215.69
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://a.mtstatic.com/@cache/layout/anonymous.css?_=621918902a13a08a7104b167aa47d1e6_Y2hlbS5saWJyZXRleHRzLm9yZw==:site_4334

Requested by

Host: chem.libretexts.org
URL: https://chem.libretexts.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

143.204.215.69 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-143-204-215-69.fra53.r.cloudfront.net

Software

Resource Hash

d4bc0e72961ee0c82b13e1b2b92befd5bc182f05e0f745e7953beec8ebdcdc34

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 08 Jun 2024 23:04:23 GMT
content-encoding: br
x-content-type-options: nosniff
via: 1.1 de11a38373aee7f9d5ba9d586bb8bfd2.cloudfront.net (CloudFront), 1.1 6080b2713e502211e152f21f5c59c5a6.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-P10, FRA53-C1
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QUIC, , AES_128_GCM

Server

2606:4700::6811:180e , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

f3bbf1b342e93173df117394fed9b914afc1506eee6c04b92edb528d09893048

Security Headers

Name	Value
Strict-Transport-Security	max-age=15780000
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 14 Jun 2024 02:33:33 GMT
content-encoding: br
x-content-type-options: nosniff
cf-cache-status: HIT
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security: max-age=15780000
age: 1960
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 17020
last-modified: Mon, 04 May 2020 16:13:12 GMT
server: cloudflare
cf-cdnjs-via: cfworker/kv
etag: "5eb03f18-f773"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=C6x4ktqw7%2BvZOsNVfNwjRIrIZ%2FM7lw2WQUxHp%2Fl3ZipzeMO7gDncOsaoytVMVwJlXD74W4NqofZUqRlAJ3ggnb0jaJooL4JHII2WWnDxUeUZYNMxcLzcgTfQ%2FmzWvQVS7fiJ7vqnF1TnStqQtqL3Yr3K"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=30672000
accept-ranges: bytes
timing-allow-origin: *
cf-ray: 8936ea8f38e29fb4-AMS
expires: Wed, 04 Jun 2025 02:33:33 GMT

GET
H2 200 serviceworker-unregister.js Show response
a.mtstatic.com/deki/javascript/out/standalone/ 197 B
586 B 168ms
31ms Script
application/javascript 143.204.215.69
AMAZON-02

General

Check archive.org

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Full URL: https://a.mtstatic.com/deki/javascript/out/standalone/serviceworker-unregister.js?_=6066a6a191cbee5707f98d20c4f59be45088a228:site_4334
Requested by: Host: chem.libretexts.org
URL: https://chem.libretexts.org/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.215.69 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-215-69.fra53.r.cloudfront.net
Software: /
Resource Hash: 136bcba55331e149c1e597e71210ec7d5a4a0e82292ddd51166c8af158bd3aee

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 06 Jun 2024 23:48:25 GMT
content-encoding: br
via: 1.1 ecc31e9f7b98bdd8a55967baa6e36ad8.cloudfront.net (CloudFront), 1.1 6080b2713e502211e152f21f5c59c5a6.cloudfront.net (CloudFront)
last-modified: Fri, 31 May 2024 19:55:45 GMT
x-amz-cf-pop: FRA56-P10, FRA53-C1
age: 614708
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
access-control-allow-origin: *
cache-control: max-age=31536000, public
accept-ranges: bytes
content-length: 120
x-amz-cf-id: bt0odgMHIs_WmGYyPeqq8ZREI0Uw42sU_vNLOK9bMmP1nZ6kv-6q8g==
expires: Fri, 06 Jun 2025 23:48:25 GMT

GET
H2 200 pageLoaded.js Show response
a.mtstatic.com/deki/javascript/out/standalone/ 211 B
600 B 168ms
32ms Script
application/javascript 143.204.215.69
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://a.mtstatic.com/deki/javascript/out/standalone/pageLoaded.js?_=6066a6a191cbee5707f98d20c4f59be45088a228:site_4334
Requested by: Host: chem.libretexts.org
URL: https://chem.libretexts.org/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.215.69 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-215-69.fra53.r.cloudfront.net
Software: /
Resource Hash: e7dd778e9a6fc3cf993018a642deabc5027c1d3d33e7468dd30ccfb5a002ac89

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 06 Jun 2024 23:48:25 GMT
content-encoding: br
via: 1.1 92db4c522f37fa3dd780f6fa204d8256.cloudfront.net (CloudFront), 1.1 6080b2713e502211e152f21f5c59c5a6.cloudfront.net (CloudFront)
last-modified: Fri, 31 May 2024 19:55:45 GMT
x-amz-cf-pop: FRA56-P10, FRA53-C1
age: 614708
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: application/javascript
access-control-allow-origin: *
cache-control: max-age=31536000, public
accept-ranges: bytes
content-length: 133
x-amz-cf-id: IlFrkyXp-IHtwYJYHoHUHn3VeyQ6dOmEDKkar88Bye1Djl_VI9WzUg==
expires: Fri, 06 Jun 2025 23:48:25 GMT

GET
H2 200 print.css
a.mtstatic.com/@cache/layout/ 552 KB
75 KB 150ms
34ms Stylesheet
text/css 143.204.215.69
AMAZON-02

General

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Show headers Download Go to

Full URL

https://a.mtstatic.com/@cache/layout/print.css?_=341f3e03ddb0b0dbd86822c93368d3aa:site_4334

Requested by

Host: chem.libretexts.org
URL: https://chem.libretexts.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

143.204.215.69 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-143-204-215-69.fra53.r.cloudfront.net

Software

Resource Hash

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Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 06 Jun 2024 23:48:27 GMT
content-encoding: br
x-content-type-options: nosniff
via: 1.1 93e77bd122e2a2b3ec02228d81a35184.cloudfront.net (CloudFront), 1.1 6080b2713e502211e152f21f5c59c5a6.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA56-P10, FRA53-C1
age: 614706
etag: 341f3e03ddb0b0dbd86822c93368d3aa
vary: Accept-Encoding
x-cache: Hit from cloudfront
content-type: text/css; charset=utf-8
x-deki-site: id=site_4334
access-control-allow-origin: *
cache-control: max-age=29030400, public
x-amz-cf-id: Qh3-fpjesw-KbLPc4xi8fjF5-cyOVgvDVrpBdzlnxpPg60PtvYZYHg==
expires: Fri, 06 Jun 2025 23:48:27 GMT

POST
H2 200 34
chem.libretexts.org/@api/deki/events/page-view/ 0
0 128ms
103ms Fetch 2600:9000:2359:c600:11:2451:2fc0:93a1
AMAZON-02

General

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Show headers Download Go to

Full URL

https://chem.libretexts.org/@api/deki/events/page-view/34?dream.out.format=json&origin=mt-web

Requested by

Host: chem.libretexts.org
URL: https://chem.libretexts.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:2359:c600:11:2451:2fc0:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Resource Hash

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
x-deki-page-view-id: 92c49e6f-1191-48af-8e48-4baa700a5f78
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
x-deki-token: xhr_2_1718332412_7894a4e48ff0ea1250e4efcff7aeac418df35e16a1f6635a7e52fd7dd746fe1f
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
content-type: application/json; charset=utf-8
Referer: https://chem.libretexts.org/
x-deki-client: mindtouch-martian
sec-ch-ua-platform: "Win32"

Response headers

x-dream-feature: POST:events/page-view/*
date: Fri, 14 Jun 2024 02:33:33 GMT
strict-transport-security: max-age=31536000
via: 1.1 83f879b9257b55a619d0b5d3165412a6.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P10
x-cache: Miss from cloudfront
x-deki-site: id="site_4334"
x-data-stats: request-time-ms=17; cache-hit=4; cache-ratio=1.00; pagenode-hit=1; pagenode-ratio=1.00; permission-hit=1; permission-ratio=1.00; tag-hit=1; tag-ratio=1.00; user-hit=1; user-ratio=1.00;
x-deki-request-id: 7e63fc4c-29f6-11ef-8c3c-3cf70917ef25
alt-svc: h3=":443"; ma=86400
content-length: 0
x-amz-cf-id: IIU4UHTf0a-93a44sISlOgf9fA4VGh_KLarpgQ60XCxAOGPi-oWD0w==

GET
H2 200 matomo.js Show response
matomo-test-ecs.libretexts.org/ 65 KB
22 KB 468ms
190ms Script
text/javascript 3.84.48.190
AMAZON-AES

General

Check archive.org

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Full URL: https://matomo-test-ecs.libretexts.org/matomo.js
Requested by: Host: chem.libretexts.org
URL: https://chem.libretexts.org/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 3.84.48.190 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-3-84-48-190.compute-1.amazonaws.com
Software: Apache/2.4.59 (Debian) /
Resource Hash: b39abd9035f703b76dfed940898d572b9864f676eb1912a9142f0639dca6b2ce

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 14 Jun 2024 02:33:33 GMT
content-encoding: gzip
last-modified: Thu, 07 Mar 2024 23:35:49 GMT
server: Apache/2.4.59 (Debian)
etag: "1042f-6131a8902bf40-gzip"
vary: Accept-Encoding
content-type: text/javascript
accept-ranges: bytes
content-length: 21709

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 52 KB
21 KB 78ms
8ms Script
text/javascript 2a00:1450:4001:828::200e
GOOGLE

General

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Full URL

https://www.google-analytics.com/analytics.js

Requested by

Host: chem.libretexts.org
URL: https://chem.libretexts.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::200e Frankfurt am Main, Germany, 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

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
date: Fri, 14 Jun 2024 02:29:08 GMT
last-modified: Tue, 12 Dec 2023 18:09:08 GMT
server: Golfe2
age: 265
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: Fri, 14 Jun 2024 04:29:08 GMT

GET
H2 200 css2
fonts.googleapis.com/ 696 B
874 B 190ms
29ms Stylesheet
text/css 2a00:1450:4001:81d::200a
GOOGLE

General

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Full URL

https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@48,400,0,0

Requested by

Host: cdn.libretexts.net
URL: https://cdn.libretexts.net/github/readerview/readerview.min.css

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:81d::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

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Security Headers

Name	Value
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X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://cdn.libretexts.net/
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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

strict-transport-security: max-age=31536000
date: Fri, 14 Jun 2024 02:33:33 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
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last-modified: Fri, 14 Jun 2024 02:33:33 GMT
server: ESF
cross-origin-opener-policy: same-origin-allow-popups
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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: Fri, 14 Jun 2024 02:33:33 GMT

GET
H2 200 ball-atom.min.css
cdn.jsdelivr.net/npm/load-awesome@1.1.0/css/ 5 KB
1 KB 52ms
0ms Stylesheet
text/css 2606:4700::6812:bb1f
CLOUDFLARENET

General

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Full URL

https://cdn.jsdelivr.net/npm/load-awesome@1.1.0/css/ball-atom.min.css

Requested by

Host: cdn.libretexts.net
URL: https://cdn.libretexts.net/github/readerview/js-loading-overlay.min.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6812:bb1f , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

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

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Fri, 14 Jun 2024 02:33:33 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
x-content-type-options: nosniff
cf-cache-status: HIT
content-encoding: br
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
age: 3330953
x-jsd-version: 1.1.0
x-cache: HIT, HIT
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 1005
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x-jsd-version-type: version
server: cloudflare
etag: W/"13ef-wiZHLjuPCcGjDFWk4VdfwrIr1KU"
vary: Accept-Encoding
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cache-control: public, max-age=31536000, s-maxage=31536000, immutable
accept-ranges: bytes
timing-allow-origin: *
cf-ray: 8936ea8f5fe1663c-AMS

GET
H2 200 icomoon.woff
a.mtstatic.com/@style/out/icons/ 186 KB
187 KB 35ms
9ms Font
font/woff 143.204.215.69
AMAZON-02

General

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Full URL: https://a.mtstatic.com/@style/out/icons/icomoon.woff?_=621918902a13a08a7104b167aa47d1e6_Y2hlbS5saWJyZXRleHRzLm9yZw==:site_4334
Requested by: Host: a.mtstatic.com
URL: https://a.mtstatic.com/@cache/layout/anonymous.css?_=621918902a13a08a7104b167aa47d1e6_Y2hlbS5saWJyZXRleHRzLm9yZw==:site_4334
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 143.204.215.69 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS: server-143-204-215-69.fra53.r.cloudfront.net
Software: /
Resource Hash: a33be195e0090aea823b17ba6ff1c322cf8001670a9908602781cb0de93d9136

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://a.mtstatic.com/@cache/layout/anonymous.css?_=621918902a13a08a7104b167aa47d1e6_Y2hlbS5saWJyZXRleHRzLm9yZw==:site_4334
Origin: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 08 Jun 2024 23:04:24 GMT
via: 1.1 54458302557dcee9766f255184a02288.cloudfront.net (CloudFront), 1.1 73f3a23156999272233949c078c30858.cloudfront.net (CloudFront)
last-modified: Fri, 31 May 2024 19:55:42 GMT
x-amz-cf-pop: FRA56-P10, FRA53-C1
age: 444549
x-cache: Hit from cloudfront
content-type: font/woff
access-control-allow-origin: *
cache-control: max-age=31536000
accept-ranges: bytes
content-length: 190952
x-amz-cf-id: Ov2rdQX1FBcARLQJdg4gCa8jzz_TrleUVAxATWfF6lhn5-DHyMI_6A==
expires: Sun, 08 Jun 2025 23:04:24 GMT

GET
H2 200 kJF1BvYX7BgnkSrUwT8OhrdQw4oELdPIeeII9v6oDMzByHX9rA6RzaxHMPdY43zj-jCxv3fzvRNU22ZXGJpEpjC_1n-q_4MrImHCIJIZrDCvHOej.woff2
fonts.gstatic.com/s/materialsymbolsoutlined/v192/ 264 KB
265 KB 132ms
9ms Font
font/woff2 2a00:1450:4001:829::2003
GOOGLE

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Full URL

https://fonts.gstatic.com/s/materialsymbolsoutlined/v192/kJF1BvYX7BgnkSrUwT8OhrdQw4oELdPIeeII9v6oDMzByHX9rA6RzaxHMPdY43zj-jCxv3fzvRNU22ZXGJpEpjC_1n-q_4MrImHCIJIZrDCvHOej.woff2

Requested by

Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@48,400,0,0

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:829::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

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Security Headers

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Response headers

date: Thu, 13 Jun 2024 20:44:19 GMT
x-content-type-options: nosniff
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1 KB 35ms
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CLOUDFLARENET

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Full URL

https://cdn.libretexts.net/authenBrowser.json

Requested by

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text/css 2606:4700:3036::6815:1b98
CLOUDFLARENET

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Full URL: https://use.fontawesome.com/84b10e0f37.css
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Response headers

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7 KB 42ms
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text/css 2606:4700:3036::6815:1b98
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Full URL: https://use.fontawesome.com/releases/v4.7.0/css/font-awesome-css.min.css
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Response headers

date: Fri, 14 Jun 2024 02:33:33 GMT
content-encoding: br
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239ms
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Response headers

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16ms
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image/png

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AMAZON-02

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76 KB 79ms
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Full URL: https://use.fontawesome.com/releases/v4.7.0/fonts/fontawesome-webfont.woff2
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age: 3864
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report-to: {"group":"heroku-nel","max_age":3600,"endpoints":[{"url":"https://nel.heroku.com/reports?ts=1718299714&sid=1b10b0ff-8a76-4548-befa-353fc6c6c045&s=sW00sTIWsTq4MLgMsaHP1A0fV7RooQj5R2Y7a4CXPVg%3D"}]}
content-type: text/css
content-encoding: br
cf-ray: 8936ea996d2a670f-AMS
reporting-endpoints: heroku-nel=https://nel.heroku.com/reports?ts=1718299714&sid=1b10b0ff-8a76-4548-befa-353fc6c6c045&s=sW00sTIWsTq4MLgMsaHP1A0fV7RooQj5R2Y7a4CXPVg%3D

GET
H2 200 css2
fonts.googleapis.com/ 2 KB
734 B 29ms
28ms Stylesheet
text/css 2a00:1450:4001:81d::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.googleapis.com/css2?family=Inter&display=swap

Requested by

Host: donorbox.org
URL: https://donorbox.org/animate-popup-donate-button.css

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:81d::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

134d30ed9c825909dd32af40d469aaafedfe1b17447abee0ed6c43c7254d2a48

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="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://donorbox.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

strict-transport-security: max-age=31536000
date: Fri, 14 Jun 2024 02:33:34 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: Fri, 14 Jun 2024 01:41:33 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: Fri, 14 Jun 2024 02:33:34 GMT

GET
H3 200 UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2
fonts.gstatic.com/s/inter/v13/ 21 KB
21 KB 18ms
18ms Font
font/woff2 2a00:1450:4001:829::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.gstatic.com/s/inter/v13/UcCO3FwrK3iLTeHuS_fvQtMwCp50KnMw2boKoduKmMEVuLyfAZ9hiA.woff2

Requested by

Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Inter&display=swap

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:829::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

2301bb030a2bcaa9c763cc4771bd717aac16709c29eaba00673fcbe7cdf99a59

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://fonts.googleapis.com/
Origin: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Thu, 13 Jun 2024 08:48:19 GMT
x-content-type-options: nosniff
age: 63916
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: 21564
x-xss-protection: 0
last-modified: Wed, 13 Sep 2023 23:49:07 GMT
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: Fri, 13 Jun 2025 08:48:19 GMT

POST
H2 204 collect
region1.google-analytics.com/g/ 0
54 B 29ms
28ms Ping
text/plain 2001:4860:4802:32::36
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-YXRG76JLZT&gtm=45je46c0v896039116za200&_p=1718332413869&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&tag_exp=0&cid=1923958738.1718332414&ul=de-de&sr=1600x1200&uaa=x86&uab=64&uafvl=Not%252FA)Brand%3B8.0.0.0%7CChromium%3B126.0.6478.55%7CGoogle%2520Chrome%3B126.0.6478.55&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&are=1&frm=0&pscdl=noapi&_eu=AEA&_s=2&sid=1718332414&sct=1&seg=0&dl=https%3A%2F%2Fchem.libretexts.org%2F&dt=Home%20-%20Chemistry%20LibreTexts&en=scroll&epn.percent_scrolled=90&_et=81&tfd=7710
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-YXRG76JLZT
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://chem.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/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Fri, 14 Jun 2024 02:33:39 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://chem.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

350 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.

13 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
chem.libretexts.org/	1969-12-31 23:59:59	Name: mtwebsession Value: ac6ac92e37d7403dae9859543b23b078
.chem.libretexts.org/	1970-01-21 06:54:52	Name: dekisession Value: "YjBjMmMyY2UtZWRlNC00NjhjLTliOTMtMDNmM2Q2ZDM3NjAyfDIwMjQtMDYtMTRUMDI6MzM6MzE="
.chem.libretexts.org/	1970-01-21 06:54:52	Name: _ga Value: GA1.3.1923958738.1718332414
.chem.libretexts.org/	1970-01-20 21:20:18	Name: _gid Value: GA1.3.832071845.1718332414
.chem.libretexts.org/	1970-01-20 21:18:52	Name: _gat Value: 1
.chem.libretexts.org/	1970-01-20 21:18:52	Name: _gat_mtTracker Value: 1
.libretexts.org/	1970-01-21 06:44:47	Name: _pk_id.4.e4be Value: 06372ef7046d074a.1718332414.
.libretexts.org/	1970-01-20 21:18:54	Name: _pk_ses.4.e4be Value: 1
.libretexts.org/	1970-01-21 06:54:52	Name: _ga Value: GA1.1.1923958738.1718332414
.libretexts.org/	1970-01-21 06:54:52	Name: _ga_YXRG76JLZT Value: GS1.1.1718332414.1.0.1718332414.0.0.0
matomo-test-ecs.libretexts.org/	1970-01-20 21:28:57	Name: AWSALBTG Value: SVlluoV6A5RItPc8n6ZPAFYD336OuvMuPiMab0E3ZzgnPx1THihNTVpJm3l2WS2pJ1Nxb1P6Qr+TxaOnBJdSLQnEH5piQi4Y8PfdrKM/92wRDtzwjx6kcW1bvZxXCsmhtjkDtdTxfCTdokSHdo6Y5HLoU6Yy1KRoSjt1g3yMyPQesbe6Rw4=
matomo-test-ecs.libretexts.org/	1970-01-20 21:28:57	Name: AWSALBTGCORS Value: SVlluoV6A5RItPc8n6ZPAFYD336OuvMuPiMab0E3ZzgnPx1THihNTVpJm3l2WS2pJ1Nxb1P6Qr+TxaOnBJdSLQnEH5piQi4Y8PfdrKM/92wRDtzwjx6kcW1bvZxXCsmhtjkDtdTxfCTdokSHdo6Y5HLoU6Yy1KRoSjt1g3yMyPQesbe6Rw4=
.chem.libretexts.org/	1970-01-21 06:54:52	Name: _ga_0G8ZPGT8MT Value: GS1.3.1718332414.1.0.1718332414.60.0.0

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	upgrade-insecure-requests; default-src https: data: filesystem: blob: mediastream: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss:
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
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.

a.mtstatic.com
cdn.hypothes.is
cdn.jsdelivr.net
cdn.libretexts.net
cdnjs.cloudflare.com
chem.libretexts.org
cloudflareinsights.com
donorbox.org
files.mtstatic.com
fonts.googleapis.com
fonts.gstatic.com
hypothes.is
matomo-test-ecs.libretexts.org
pro.fontawesome.com
region1.analytics.google.com
region1.google-analytics.com
static.cloudflareinsights.com
stats.g.doubleclick.net
unpkg.com
use.fontawesome.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
143.204.215.69
143.204.215.73
2001:4860:4802:32::36
2600:9000:2359:c600:11:2451:2fc0:93a1
2606:4700:10::6816:33f9
2606:4700:10::6816:369f
2606:4700:10::6816:379f
2606:4700:3034::ac43:d829
2606:4700:3036::6815:1b98
2606:4700:4400::6812:2844
2606:4700::6810:4f49
2606:4700::6810:5049
2606:4700::6811:180e
2606:4700::6811:f5cb
2606:4700::6812:bb1f
2a00:1450:4001:80b::2004
2a00:1450:4001:81c::2003
2a00:1450:4001:81d::200a
2a00:1450:4001:828::200e
2a00:1450:4001:829::2003
2a00:1450:4001:830::2008
2a00:1450:400c:c0b::9a
3.84.48.190
020f70517c31946fa1292ed248768a9cec3a9bacf9aa93416d1e54c72ac16df3
02a6199a83a04869684c04bad7cdbb250aa620eb263991ce8031d585dfc8dde3
05b086c8e1ae58e53cd1b713fcc2ed2b596a16ced03ad9bccf03f397b3b6d139
06ac8783858aa57f3f752bb4ff74a2928fe1b834530c8844dae0675103823007
07b609fdf71b158b9250ef3c2f7da52c343d3aec80e53e9aa6897f9912108904
0cdb3c2f3302e14cebe39e7430dfdfecc95667b90a974415ae43f8464d9d9991
0e8ffc7ff696a8655ee3e561314be223858031003f61e4b763ca452ac9c64fe2
0ec37ad331807f9d7ecde3da49482b5e351dcad297b556b1d28da2129b3e0c30
107fbb21d462c56b56e6d741c0c9135cbf87bd6e6d02a578a1ffc76c067b9c47
134d30ed9c825909dd32af40d469aaafedfe1b17447abee0ed6c43c7254d2a48
136bcba55331e149c1e597e71210ec7d5a4a0e82292ddd51166c8af158bd3aee
14a99e63e1b8461a9e586bae4e0d929e896012d3bc2c543c2443a808a9a3ecab
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17a616b75a0eb797f7fbfe94ab38001ded61b3e5f0c37c6f9dca798d5f0450b5
1805b14279760e2a9338b71f40649c45fe37dbc3839bb573a9737cdd495e9752
1890f340848496de5b9f1332ac7be2b03130e0b952765f4ace666e40d434226b
1a21ba62667711e7af5612b660cee5ca22427c8be39348551e5e2cfd7f0440e5
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1cffc2b3146584685cd72751d7f28aa030ab9ae2f1bc78f2c27909f8d8287b26
1fee06412ce81d22f8783d99e955741e8f6d2a62614e828d265c546f262227f8
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2301bb030a2bcaa9c763cc4771bd717aac16709c29eaba00673fcbe7cdf99a59
23a3c81a5df7d3da05fa9076795ee0734ee6ccd1bc568a6fec1444b007805ae3
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272d6c929032333f5a111d9c4effd6cf6592d4f2ce911a3085763fdb39e6e961
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34ff9ff79bc46fb4de7ce7f2d0ccfca27517d02d5d0889c66379c98d234c3c2e
36b2057eb5eef261a2cbb8c149dcf3a11edaa15ccd8e3d462eb34999f5ff8f2a
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386dc8386498981d1a836416cfdb7a1ed0d682e8dea35655067b08927e4822a1
38dbcafc9354a5f8529dc0d0826e10163cc51bd8e3940846236a40699aaa9b03
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3dd3928128b28b27b2729995ee3b45ed8292cb078424d217ee12c7f521403a68
3f0fe70eb26ccf28f6887a192e29d38dd7ef7c2f079a73304ad42ddc7bed37de
3fefc38c9f36866cc9f6ccd810a54c3767bcb18d1a515329f5534d101ff0cdf4
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51bdcf40fc5106048dfa437cb6a874132ff4b9e65f4ca4d40db97f0a7f63a6d0
52894a8397a995087dd915898f44b9ddb3b4828b9582e3f8cd39b8e03ebb1b51
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6ea0787cce1310cfd84381d8b087a37ceadbd4fccc8808bf3a16c0a29b9651a6
6ef199c40390e95706e7203254e48c001395d8910fd17ff9a9b405d972fa3fd7
6fd05f60f925b9f355298411ac46e63581c454b8135e8170aa78fabb444406bf
70cec2218b34cbd40f892f3ded4cf6d47320243677cbd8dd6f075052611b154b
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8da63bdb8284b926f3eeedd2bc84b735aef8842f0179566bcf6d5b6edb858503
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8f75c6d4e513e634ce862fdacfa2ba42975559fc1fbdcfb0408f1898dd167816
8fe6605cdac997e7713e7033b1e5ab7f42b788568d47d354ddbb034eef6d97b2
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9f820fca8e53f8fac856ccbdd9fed12564e3d8b689d39635c4c20fb8ed4320f8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chem.libretexts.org Open in urlscan Pro 2600:9000:2359:c600:11:2451:2fc0:93a1 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

132 Requests

95 %HTTPS

87 %IPv6

17 Domains

24 Subdomains

23 IPs

3 Countries

3149 kBTransfer

10210 kBSize

13 Cookies

7 Outgoing links

Page URL History

Redirected requests

132 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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chem.libretexts.org Open in urlscan Pro
2600:9000:2359:c600:11:2451:2fc0:93a1 Public Scan

Screenshot
Live screenshot

Full Image

132
Requests

95 %
HTTPS

87 %
IPv6

17
Domains

24
Subdomains

23
IPs

3
Countries

3149 kB
Transfer

10210 kB
Size

13
Cookies

132 HTTP transactions
0 data transactions