engineeringlibrary.org Open in urlscan Pro
23.20.92.111 Public Scan

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URL:
https://engineeringlibrary.org/reference/coefficient-of-friction
Submission: On June 17 via manual (June 17th 2024, 3:53:06 pm UTC) from PT — Scanned from PT

Summary HTTP 21 Redirects Links 9 Behaviour Indicators

Summary

This website contacted 5 IPs in 2 countries across 4 domains to perform 21 HTTP transactions. The main IP is 23.20.92.111, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is engineeringlibrary.org.
TLS certificate: Issued by Sectigo RSA Domain Validation Secure ... on July 30th 2023. Valid for: a year.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
7	23.20.92.111 23.20.92.111	14618 (AMAZON-AES) (AMAZON-AES)
2	172.217.18.8 172.217.18.8	15169 (GOOGLE) (GOOGLE)
9	104.17.24.14 104.17.24.14	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	142.250.185.206 142.250.185.206	15169 (GOOGLE) (GOOGLE)
1	216.239.34.36 216.239.34.36	15169 (GOOGLE) (GOOGLE)
21	5

7 23.20.92.111 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-23-20-92-111.compute-1.amazonaws.com

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

2 172.217.18.8 (United States)

ASN15169 (GOOGLE, US)
PTR: fra02s19-in-f8.1e100.net

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

9 104.17.24.14 (None, )

ASN13335 (CLOUDFLARENET, US)

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

2 142.250.185.206 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s52-in-f14.1e100.net

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

1 216.239.34.36 (United States)

ASN15169 (GOOGLE, US)

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

	Apex Domain Subdomains	Transfer
9	cloudflare.com cdnjs.cloudflare.com — Cisco Umbrella Rank: 265	251 KB
7	engineeringlibrary.org engineeringlibrary.org	72 KB
3	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 68 region1.google-analytics.com — Cisco Umbrella Rank: 2347	21 KB
2	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 79	165 KB
21	4

	Domain	Requested by
9	cdnjs.cloudflare.com	engineeringlibrary.org cdnjs.cloudflare.com
7	engineeringlibrary.org	engineeringlibrary.org
2	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com
2	www.googletagmanager.com	engineeringlibrary.org www.googletagmanager.com
1	region1.google-analytics.com	www.googletagmanager.com
21	5

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

Domain
mechanicalc.com
pdhclassroom.com
www.amazon.com

Subject Issuer	Validity	Valid
engineeringlibrary.org Sectigo RSA Domain Validation Secure Server CA	`2023-07-30` - `2024-08-29`	a year	crt.sh
*.google-analytics.com WR2	`2024-05-27` - `2024-08-19`	3 months	crt.sh
cdnjs.cloudflare.com E1	`2024-06-02` - `2024-08-31`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://engineeringlibrary.org/reference/coefficient-of-friction
Frame ID: C1F692925FC8AFB1CB47047A00237E0A
Requests: 21 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Coefficient of Friction | Engineering Library

Detected technologies

MathJax (JavaScript Graphics) Expand

Overall confidence: 100%
Detected patterns

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

Font Awesome (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]+(?:([\d.]+)/)?(?:css/)?font-awesome(?:\.min)?\.css
<link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
(?: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

Page Statistics

21
Requests

100 %
HTTPS

0 %
IPv6

4
Domains

5
Subdomains

5
IPs

2
Countries

508 kB
Transfer

1245 kB
Size

4
Cookies

9 Outgoing links

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

URL: https://mechanicalc.com/
Title: Partner Websites

Search URL Search Domain Scan URL

URL: https://pdhclassroom.com/
Title: PDH Classroom

Search URL Search Domain Scan URL

URL: https://mechanicalc.com/calculators/
Title: Structural Calculators

Search URL Search Domain Scan URL

URL: https://mechanicalc.com/calculators/beam-analysis/
Title: Beam Analysis

Search URL Search Domain Scan URL

URL: https://mechanicalc.com/calculators/bolted-joint-analysis/
Title: Bolted Joints

Search URL Search Domain Scan URL

URL: https://mechanicalc.com/calculators/lifting-lug-analysis/
Title: Lug Analysis

Search URL Search Domain Scan URL

URL: https://mechanicalc.com/calculators/column-buckling/
Title: Column Buckling

Search URL Search Domain Scan URL

URL: https://www.amazon.com/Shigleys-Mechanical-Engineering-Richard-Budynas-dp-0073398217/dp/0073398217?&linkCode=ll1&tag=mechanicalc-20&linkId=ecd34394d40ef2f6fc7f4af4f1e91e5d&language=en_US&ref_=as_li_ss_tl

Search URL Search Domain Scan URL

URL: https://www.amazon.com/Materials-Science-Engineering-William-Callister/dp/1118324579?&linkCode=ll1&tag=mechanicalc-20&linkId=325d6be9926d05875adf593e86c85c2c&language=en_US&ref_=as_li_ss_tl

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

21 HTTP transactions
0 data transactions

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

GET
H/1.1 200
OK Primary Request coefficient-of-friction Show response
engineeringlibrary.org/reference/ 68 KB
15 KB 522ms
231ms Document
text/html 23.20.92.111
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://engineeringlibrary.org/reference/coefficient-of-friction
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 23.20.92.111 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-20-92-111.compute-1.amazonaws.com
Software: nginx/1.22.1 /
Resource Hash: 31606d129a942d74abc871a01aad3e8b72437c9affac83a4d374091fdc900d54

Request headers

Accept-Language: pt-PT,pt;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
sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Win32"

Response headers

Connection: keep-alive
Content-Encoding: gzip
Content-Type: text/html; charset=utf-8
Date: Mon, 17 Jun 2024 15:53:01 GMT
Server: nginx/1.22.1
Transfer-Encoding: chunked

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 207 KB
75 KB 352ms
134ms Script
application/javascript 172.217.18.8
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=UA-58508834-2

Requested by

Host: engineeringlibrary.org
URL: https://engineeringlibrary.org/reference/coefficient-of-friction

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.217.18.8 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

fra02s19-in-f8.1e100.net

Software

Google Tag Manager /

Resource Hash

2d6cd620b67be386433d59cff9f20f2a57ff49660038e8ae1ddbba8b32ee3850

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://engineeringlibrary.org/
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:01 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 76375
x-xss-protection: 0
last-modified: Mon, 17 Jun 2024 15:23:37 GMT
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
access-control-allow-headers: Cache-Control
expires: Mon, 17 Jun 2024 15:53:01 GMT

GET
H/1.1 200
OK mechanicalc-structural-sidebar-01.webp
engineeringlibrary.org/static/img/Ads/ 2 KB
3 KB 138ms
138ms Image
image/webp 23.20.92.111
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://engineeringlibrary.org/static/img/Ads/mechanicalc-structural-sidebar-01.webp
Requested by: Host: engineeringlibrary.org
URL: https://engineeringlibrary.org/reference/coefficient-of-friction
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 23.20.92.111 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-20-92-111.compute-1.amazonaws.com
Software: nginx/1.22.1 /
Resource Hash: e1facdadce31eff1fa9d4b6b7399f4762659334112f86b912a4032ed20d866ae

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://engineeringlibrary.org/reference/coefficient-of-friction
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:01 GMT
Last-Modified: Sun, 25 Feb 2024 18:33:00 GMT
Server: nginx/1.22.1
ETag: "65db87dc-98c"
Content-Type: image/webp
Cache-Control: max-age=31536000
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 2444
Expires: Tue, 17 Jun 2025 15:53:01 GMT

GET
H/1.1 200
OK pdh-classroom-02.webp
engineeringlibrary.org/static/img/Ads/ 35 KB
36 KB 291ms
152ms Image
image/webp 23.20.92.111
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://engineeringlibrary.org/static/img/Ads/pdh-classroom-02.webp
Requested by: Host: engineeringlibrary.org
URL: https://engineeringlibrary.org/reference/coefficient-of-friction
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 23.20.92.111 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-20-92-111.compute-1.amazonaws.com
Software: nginx/1.22.1 /
Resource Hash: 2812de4afb7e58f67d69d89d9316532314d31bece865077f6f758f25db75986c

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://engineeringlibrary.org/reference/coefficient-of-friction
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:01 GMT
Last-Modified: Sun, 25 Feb 2024 18:33:00 GMT
Server: nginx/1.22.1
ETag: "65db87dc-8d18"
Content-Type: image/webp
Cache-Control: max-age=31536000
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 36120
Expires: Tue, 17 Jun 2025 15:53:01 GMT

GET
H/1.1 200
OK shigley_mechanical_engineering_design_11th_ed.webp
engineeringlibrary.org/static/img/Ads/Amazon_Affiliate/Optimized/ 4 KB
4 KB 401ms
138ms Image
image/webp 23.20.92.111
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://engineeringlibrary.org/static/img/Ads/Amazon_Affiliate/Optimized/shigley_mechanical_engineering_design_11th_ed.webp
Requested by: Host: engineeringlibrary.org
URL: https://engineeringlibrary.org/reference/coefficient-of-friction
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 23.20.92.111 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-20-92-111.compute-1.amazonaws.com
Software: nginx/1.22.1 /
Resource Hash: 18291c96de4daa66842725a98d838085916c5bec7988cfc20d8f9eab42aab255

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://engineeringlibrary.org/reference/coefficient-of-friction
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:01 GMT
Last-Modified: Sun, 25 Feb 2024 18:33:00 GMT
Server: nginx/1.22.1
ETag: "65db87dc-1094"
Content-Type: image/webp
Cache-Control: max-age=31536000
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 4244
Expires: Tue, 17 Jun 2025 15:53:01 GMT

GET
H/1.1 200
OK callister_materials_science_9th_ed.webp
engineeringlibrary.org/static/img/Ads/Amazon_Affiliate/Optimized/ 5 KB
6 KB 405ms
135ms Image
image/webp 23.20.92.111
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://engineeringlibrary.org/static/img/Ads/Amazon_Affiliate/Optimized/callister_materials_science_9th_ed.webp
Requested by: Host: engineeringlibrary.org
URL: https://engineeringlibrary.org/reference/coefficient-of-friction
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 23.20.92.111 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-20-92-111.compute-1.amazonaws.com
Software: nginx/1.22.1 /
Resource Hash: 384e9a27668474b4845ca5db98c02d5f80a673f6e5bdabf0a13ad6043e72aa6a

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://engineeringlibrary.org/reference/coefficient-of-friction
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:01 GMT
Last-Modified: Sun, 25 Feb 2024 18:33:00 GMT
Server: nginx/1.22.1
ETag: "65db87dc-15b8"
Content-Type: image/webp
Cache-Control: max-age=31536000
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 5560
Expires: Tue, 17 Jun 2025 15:53:01 GMT

GET
H3 200 font-awesome.min.css
cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/ 30 KB
6 KB 107ms
57ms Stylesheet
text/css 104.17.24.14
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css

Requested by

Host: engineeringlibrary.org
URL: https://engineeringlibrary.org/reference/coefficient-of-friction

Protocol

Security

QUIC, , AES_128_GCM

Server

104.17.24.14 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd

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://engineeringlibrary.org/
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:01 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: 77
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 5631
last-modified: Mon, 04 May 2020 16:10:07 GMT
server: cloudflare
cf-cdnjs-via: cfworker/kv
etag: "5eb03e5f-7918"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ITr0OPHEWzsM0YXmhBFgp5b2cODp25WEiDJf17ZSRCQSmT7sKV%2BWVE4roipRkadwydR5k8PirRj6GCv2aosqe55PSGWoJql%2BNPRhIaFdxIySJgzfrFDF96N2QaI%2BsI%2FxTRfzkM9O"}],"group":"cf-nel","max_age":604800}
content-type: text/css; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=30672000
accept-ranges: bytes
timing-allow-origin: *
cf-ray: 895435c859cd03fa-LIS
expires: Sat, 07 Jun 2025 15:53:01 GMT

GET
H/1.1 200
OK bearFight-01e.min.js Show response
engineeringlibrary.org/static/js/ 27 KB
7 KB 405ms
136ms Script
application/javascript 23.20.92.111
AMAZON-AES

General

Check archive.org

Show headers Download Go to

Full URL: https://engineeringlibrary.org/static/js/bearFight-01e.min.js
Requested by: Host: engineeringlibrary.org
URL: https://engineeringlibrary.org/reference/coefficient-of-friction
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 23.20.92.111 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-20-92-111.compute-1.amazonaws.com
Software: nginx/1.22.1 /
Resource Hash: 62123ecf5a8f56ebd0638c8457038a5e1b261f46dc93cb27e761e0cd9ccb53d3

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://engineeringlibrary.org/reference/coefficient-of-friction
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:01 GMT
Content-Encoding: gzip
Last-Modified: Sun, 25 Feb 2024 18:33:00 GMT
Server: nginx/1.22.1
ETag: W/"65db87dc-6cb0"
Transfer-Encoding: chunked
Content-Type: application/javascript
Cache-Control: max-age=31536000
Connection: keep-alive
Expires: Tue, 17 Jun 2025 15:53:01 GMT

GET
H3 200 MathJax.js Show response
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/ 62 KB
17 KB 117ms
68ms Script
application/javascript 104.17.24.14
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML

Requested by

Host: engineeringlibrary.org
URL: https://engineeringlibrary.org/reference/coefficient-of-friction

Protocol

Security

QUIC, , AES_128_GCM

Server

104.17.24.14 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

48344fd55558bbeb600062a175d052979f9ece87c7299788f8ecf16a46c87bf6

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://engineeringlibrary.org/
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:01 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: 485273
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400
content-length: 16870
last-modified: Tue, 01 Aug 2023 18:09:52 GMT
server: cloudflare
cf-cdnjs-via: cfworker/kv
etag: "64c94a70-41e6"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Zjr5mB3AWL1yed%2BrEkxPA3KdU3sCr566m2yBe%2BsDN%2Fc7xnMSyJ5%2BTU7GsNfeNC3vlRxs%2BCEdqel15w0tnzbNiLDYZpGyLw6IMP6kcJoBvaRA8ahuxNIMuItoXgTYe3uf3l0DKQkz"}],"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: 895435c859ca03fa-LIS
expires: Sat, 07 Jun 2025 15:53:01 GMT

GET
H3 200 fontawesome-webfont.woff2
cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/fonts/ 75 KB
76 KB 173ms
128ms Font
application/octet-stream 104.17.24.14
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Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-0F3MSVX4BY&gtm=45je46c0v9114222731za200&_p=1718639581417&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&tag_exp=0&cid=336932456.1718639582&ul=pt-pt&sr=1600x1200&ir=1&uaa=x86&uab=64&uafvl=Not%252FA)Brand%3B8.0.0.0%7CChromium%3B126.0.6478.61%7CGoogle%2520Chrome%3B126.0.6478.61&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&are=1&frm=0&pscdl=noapi&_eu=EAAI&_s=1&sid=1718639582&sct=1&seg=0&dl=https%3A%2F%2Fengineeringlibrary.org%2Freference%2Fcoefficient-of-friction&dt=Coefficient%20of%20Friction%20%7C%20Engineering%20Library&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=1230&_z=fetch
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-0F3MSVX4BY&l=dataLayer&cx=c
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 216.239.34.36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://engineeringlibrary.org/
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:02 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://engineeringlibrary.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

POST
H2 200 collect Show response
www.google-analytics.com/j/ 1 B
211 B 113ms
112ms XHR
text/plain 142.250.185.206
GOOGLE

General

Check archive.org

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Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j101&a=1069228941&t=pageview&_s=1&dl=https%3A%2F%2Fengineeringlibrary.org%2Freference%2Fcoefficient-of-friction&ul=pt-pt&de=UTF-8&dt=Coefficient%20of%20Friction%20%7C%20Engineering%20Library&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YADAAUABAAAAACAAI~&jid=1421686284&gjid=1046351530&cid=336932456.1718639582&tid=UA-58508834-2&_gid=1632569712.1718639582&_r=1&gtm=457e46c0za200&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&tag_exp=0&jsscut=1&npa=1&z=1710135982

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

142.250.185.206 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

fra16s52-in-f14.1e100.net

Software

Golfe2 /

Resource Hash

6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

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"
sec-ch-ua-platform: "Win32"
Referer: https://engineeringlibrary.org/
Accept-Language: pt-PT,pt;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
Content-Type: text/plain

Response headers

pragma: no-cache
date: Mon, 17 Jun 2024 15:53:02 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://engineeringlibrary.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: 1
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H/1.1 200
OK favicon.ico
engineeringlibrary.org/static/img/Favicon/ 4 KB
660 B 135ms
135ms Other
image/x-icon 23.20.92.111
AMAZON-AES

General

Check archive.org

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Full URL: https://engineeringlibrary.org/static/img/Favicon/favicon.ico
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 23.20.92.111 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: ec2-23-20-92-111.compute-1.amazonaws.com
Software: nginx/1.22.1 /
Resource Hash: 15bd16537db62c7f0ddfff4b216054225c4ecb2cdfc392ce157fa9ccdb16a994

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://engineeringlibrary.org/reference/coefficient-of-friction
Accept-Language: pt-PT,pt;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: Mon, 17 Jun 2024 15:53:02 GMT
Content-Encoding: gzip
Last-Modified: Sun, 25 Feb 2024 18:33:00 GMT
Server: nginx/1.22.1
ETag: W/"65db87dc-1036"
Transfer-Encoding: chunked
Content-Type: image/x-icon
Cache-Control: max-age=31536000
Connection: keep-alive
Expires: Tue, 17 Jun 2025 15:53:02 GMT

Verdicts & Comments Add Verdict or Comment

18 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.

4 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
.engineeringlibrary.org/	1970-01-21 06:59:59	Name: _ga_0F3MSVX4BY Value: GS1.1.1718639582.1.0.1718639582.0.0.0
.engineeringlibrary.org/	1970-01-21 06:59:59	Name: _ga Value: GA1.2.336932456.1718639582
.engineeringlibrary.org/	1970-01-20 21:25:25	Name: _gid Value: GA1.2.1632569712.1718639582
.engineeringlibrary.org/	1970-01-20 21:23:59	Name: _gat_gtag_UA_58508834_2 Value: 1

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.

cdnjs.cloudflare.com
engineeringlibrary.org
region1.google-analytics.com
www.google-analytics.com
www.googletagmanager.com
104.17.24.14
142.250.185.206
172.217.18.8
216.239.34.36
23.20.92.111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engineeringlibrary.org Open in urlscan Pro 23.20.92.111 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Detected technologies

Page Statistics

21 Requests

100 %HTTPS

0 %IPv6

4 Domains

5 Subdomains

5 IPs

2 Countries

508 kBTransfer

1245 kBSize

4 Cookies

9 Outgoing links

Redirected requests

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

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Verdicts & Comments Add Verdict or Comment

18 JavaScript Global Variables

4 Cookies

Indicators

engineeringlibrary.org Open in urlscan Pro
23.20.92.111 Public Scan

Screenshot
Live screenshot

Full Image

21
Requests

100 %
HTTPS

0 %
IPv6

4
Domains

5
Subdomains

5
IPs

2
Countries

508 kB
Transfer

1245 kB
Size

4
Cookies

21 HTTP transactions
0 data transactions