algs4.cs.princeton.edu Open in urlscan Pro
128.112.136.61 Public Scan

Go To Rescan
Add Verdict Report

Submitted URL:
http://algs4.cs.princeton.edu/
Effective URL:
https://algs4.cs.princeton.edu/home/
Submission: On June 13 via manual (June 13th 2022, 5:41:39 pm UTC) from CA — Scanned from CA

Summary HTTP 20 Redirects Links 15 Behaviour Indicators

Summary

This website contacted 6 IPs in 1 countries across 5 domains to perform 20 HTTP transactions. The main IP is 128.112.136.61, located in Trenton, United States and belongs to PRINCETON-AS, US. The main domain is algs4.cs.princeton.edu.
TLS certificate: Issued by R3 on April 28th 2022. Valid for: 3 months.

This is the only time algs4.cs.princeton.edu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
3 15	128.112.136.61 128.112.136.61	88 (PRINCETON-AS) (PRINCETON-AS)
1	2607:f8b0:400... 2607:f8b0:4006:824::200a	15169 (GOOGLE) (GOOGLE)
2	2606:4700::68... 2606:4700::6811:190e	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2607:f8b0:400... 2607:f8b0:4006:81f::200e	15169 (GOOGLE) (GOOGLE)
1 2	2607:f8b0:400... 2607:f8b0:4006:824::2004	15169 (GOOGLE) (GOOGLE)
1 1	2607:f8b0:400... 2607:f8b0:4006:81e::200e	15169 (GOOGLE) (GOOGLE)
2	2607:f8b0:400... 2607:f8b0:4006:81e::2008	15169 (GOOGLE) (GOOGLE)
20	6

15 128.112.136.61 (Trenton, United States) 3 redirects

ASN88 (PRINCETON-AS, US)
PTR: wwwprx2.cs.princeton.edu

algs4.cs.princeton.edu	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
introcs.cs.princeton.edu	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2607:f8b0:4006:824::200a (Mullica Hill, United States)

ASN15169 (GOOGLE, US)

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

2 2606:4700::6811:190e (United States)

ASN13335 (CLOUDFLARENET, US)

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

2 2607:f8b0:4006:81f::200e (Mullica Hill, United States)

ASN15169 (GOOGLE, US)

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

2 2607:f8b0:4006:824::2004 (Mullica Hill, United States) 1 redirects

ASN15169 (GOOGLE, US)

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

1 2607:f8b0:4006:81e::200e (Mullica Hill, United States) 1 redirects

ASN15169 (GOOGLE, US)

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

2 2607:f8b0:4006:81e::2008 (Mullica Hill, United States)

ASN15169 (GOOGLE, US)

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

	Apex Domain Subdomains	Transfer
15	princeton.edu 3 redirects algs4.cs.princeton.edu introcs.cs.princeton.edu	437 KB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 47 ssl.google-analytics.com — Cisco Umbrella Rank: 337	37 KB
3	google.com 2 redirects www.google.com — Cisco Umbrella Rank: 4 cse.google.com — Cisco Umbrella Rank: 2893	1 KB
2	cloudflare.com cdnjs.cloudflare.com — Cisco Umbrella Rank: 223	76 KB
1	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 55	979 B
20	5

	Domain	Requested by
14	algs4.cs.princeton.edu	3 redirects algs4.cs.princeton.edu
2	ssl.google-analytics.com	algs4.cs.princeton.edu
2	www.google.com	1 redirects algs4.cs.princeton.edu
2	www.google-analytics.com	algs4.cs.princeton.edu www.google-analytics.com
2	cdnjs.cloudflare.com	algs4.cs.princeton.edu cdnjs.cloudflare.com
1	cse.google.com	1 redirects
1	introcs.cs.princeton.edu	algs4.cs.princeton.edu
1	fonts.googleapis.com	algs4.cs.princeton.edu
20	8

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

Domain
introcs.cs.princeton.edu
aofa.cs.princeton.edu
www.coursera.org
cuvids.io
amzn.to
www.pearson.com
informit.com
www.pearsonhighered.com
www.princeton.edu
www.cs.princeton.edu

Subject Issuer	Validity	Valid
algs4.cs.princeton.edu R3	`2022-04-28` - `2022-07-27`	3 months	crt.sh
upload.video.google.com GTS CA 1C3	`2022-05-25` - `2022-08-17`	3 months	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2021-09-21` - `2022-09-20`	a year	crt.sh
introcs.cs.princeton.edu R3	`2022-04-28` - `2022-07-27`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2022-05-25` - `2022-08-17`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://algs4.cs.princeton.edu/home/
Frame ID: 5EC37F432EF92C97298D83D9B782A52A
Requests: 20 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Algorithms, 4th Edition by Robert Sedgewick and Kevin Wayne

Page URL History Show full URLs

http://algs4.cs.princeton.edu/ HTTP 302
https://algs4.cs.princeton.edu/ HTTP 302
https://algs4.cs.princeton.edu/home HTTP 301
https://algs4.cs.princeton.edu/home/ Page URL

Detected technologies

MathJax (JavaScript Graphics) Expand

Overall confidence: 100%
Detected patterns

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

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

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

Google Font API (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

SWFObject (Miscellaneous) Expand

Overall confidence: 100%
Detected patterns

swfobject.*\.js

Page Statistics

20
Requests

95 %
HTTPS

86 %
IPv6

5
Domains

8
Subdomains

6
IPs

1
Countries

550 kB
Transfer

827 kB
Size

9
Cookies

15 Outgoing links

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

URL: https://introcs.cs.princeton.edu/

Search URL Search Domain Scan URL

URL: https://aofa.cs.princeton.edu/

Search URL Search Domain Scan URL

URL: https://introcs.cs.princeton.edu/java/data
Title: Data

Search URL Search Domain Scan URL

URL: https://www.coursera.org/learn/algorithms-part1/
Title: Online Course

Search URL Search Domain Scan URL

URL: https://introcs.cs.princeton.edu/java/assignments
Title: Programming Assignments

Search URL Search Domain Scan URL

URL: https://cuvids.io/app/course/2
Title: CUvids

Search URL Search Domain Scan URL

URL: http://amzn.to/13VNJi7
Title: Amazon

Search URL Search Domain Scan URL

URL: https://www.pearson.com/us/higher-education/program/Sedgewick-Algorithms-4th-Edition/PGM100869.html
Title: Pearson

Search URL Search Domain Scan URL

URL: http://informit.com/sedgewick
Title: InformIT

Search URL Search Domain Scan URL

URL: http://www.pearsonhighered.com/pearsonhigheredus/educator/exam_copy/bookBag.page?mappingId=&isbn=032157351X
Title: request an examination copy

Search URL Search Domain Scan URL

URL: http://www.princeton.edu/~cos226
Title: COS 226

Search URL Search Domain Scan URL

URL: https://www.coursera.org/learn/algorithms-part1
Title: Algorithms, Part I

Search URL Search Domain Scan URL

URL: https://www.coursera.org/learn/algorithms-part2
Title: Algorithms, Part II

Search URL Search Domain Scan URL

URL: https://www.cs.princeton.edu/~rs
Title: Robert Sedgewick

Search URL Search Domain Scan URL

URL: https://www.cs.princeton.edu/~wayne
Title: Kevin Wayne

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://algs4.cs.princeton.edu/ HTTP 302
https://algs4.cs.princeton.edu/ HTTP 302
https://algs4.cs.princeton.edu/home HTTP 301
https://algs4.cs.princeton.edu/home/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 10

https://www.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs HTTP 301
https://cse.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs HTTP 302
https://www.google.com/sorry/index?continue=https://cse.google.com/cse/cse.js%3Fcx%3D005649317310637734940:s7fqljvxwfs&q=EhAmB1MAAGB4ZwAAAAAAAAASGM7tnZUGIhB4CG4QpE1s-AifidfpAAMSMgFy

20 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 / Show response
algs4.cs.princeton.edu/home/
Redirect Chain

http://algs4.cs.princeton.edu/
https://algs4.cs.princeton.edu/
https://algs4.cs.princeton.edu/home
https://algs4.cs.princeton.edu/home/

15 KB
15 KB

191ms
191ms

Document
text/html

128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to

Full URL: https://algs4.cs.princeton.edu/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 / PHP/5.6.25
Resource Hash: 7b3e80836c1096c49f670ded891998246ff8bbdda14588c0271f2eadd82e6532

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36
accept-language: en-CA,en;q=0.9

Response headers

Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
Date: Mon, 13 Jun 2022 17:41:34 GMT
Keep-Alive: timeout=5, max=98
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
Transfer-Encoding: chunked
X-Powered-By: PHP/5.6.25

Redirect headers

Connection: Keep-Alive
Content-Length: 244
Content-Type: text/html; charset=iso-8859-1
Date: Mon, 13 Jun 2022 17:41:34 GMT
Keep-Alive: timeout=5, max=99
Location: https://algs4.cs.princeton.edu/home/
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30

GET
H2 200 css
fonts.googleapis.com/ 1 KB
979 B 90ms
36ms Stylesheet
text/css 2607:f8b0:4006:824::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.googleapis.com/css?family=Inconsolata

Requested by

Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4006:824::200a Mullica Hill, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

ffac04ee8ca7dfccacb32903acb7de2074b1546947ec88fdfd3f15e4004d2709

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

accept-language: en-CA,en;q=0.9
Referer: https://algs4.cs.princeton.edu/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

strict-transport-security: max-age=31536000
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,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
x-xss-protection: 0
last-modified: Mon, 13 Jun 2022 16:36:37 GMT
server: ESF
cross-origin-opener-policy: same-origin-allow-popups
date: Mon, 13 Jun 2022 17:41:34 GMT
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: Mon, 13 Jun 2022 17:41:34 GMT

GET
H/1.1 200
OK algs4.css
algs4.cs.princeton.edu/css/ 9 KB
10 KB 35ms
25ms Stylesheet
text/css 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to

Full URL: https://algs4.cs.princeton.edu/css/algs4.css
Requested by: Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: e805e315ba3033493389fc17e62e43fac47c6f8d208689f32f3b6adb4810eac7

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://algs4.cs.princeton.edu/home/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date: Mon, 13 Jun 2022 17:41:34 GMT
Last-Modified: Tue, 06 Jul 2021 15:34:12 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "259c-5c67627656bf2"
Content-Type: text/css
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=97
Content-Length: 9628

GET
H2 200 MathJax.js Show response
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/ 62 KB
17 KB 48ms
18ms Script
application/javascript 2606:4700::6811:190e
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: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2606:4700::6811:190e , United States, 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

accept-language: en-CA,en;q=0.9
Referer: https://algs4.cs.princeton.edu/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

date: Mon, 13 Jun 2022 17:41:34 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}
age: 2137470
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length: 16889
timing-allow-origin: *
last-modified: Mon, 04 May 2020 16:13:07 GMT
server: cloudflare
cf-cdnjs-via: cfworker/kv
etag: "5eb03f13-f648"
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security: max-age=15780000
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=1cEVP0487pYESHoOHwBMGthCeGG%2FtbqA8bb1TDaVLsW4xgD7y%2F%2BVlZZTdl7JIG3%2FLLJPEDJyz0NbGnfcB0YyWni2%2FU03RF%2FGJRR9h88K7OxAH%2BP3e%2FocbtIBJubSmRvTIknKLj71LItc%2FW2yApfJ96Wx"}],"group":"cf-nel","max_age":604800}
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
vary: Accept-Encoding
cache-control: public, max-age=30672000
accept-ranges: bytes
cf-ray: 71ac9e2b1c6a7142-YUL
expires: Sat, 03 Jun 2023 17:41:34 GMT

GET
H/1.1 200
OK swfobject.js Show response
algs4.cs.princeton.edu/media/ 7 KB
7 KB 60ms
25ms Script
application/javascript 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to

Full URL: https://algs4.cs.princeton.edu/media/swfobject.js
Requested by: Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: f2172868bc46d74ad32f2715bc25a8716e07a784b2ecb24d9d077d2125c6c993

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://algs4.cs.princeton.edu/home/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date: Mon, 13 Jun 2022 17:41:34 GMT
Last-Modified: Fri, 26 Aug 2016 11:06:52 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "1ae0-53af782feb418"
Content-Type: application/javascript
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=96
Content-Length: 6880

GET
H/1.1 200
OK cover.png
algs4.cs.princeton.edu/ 38 KB
38 KB 27ms
26ms Image
image/png 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://algs4.cs.princeton.edu/cover.png
Requested by: Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: bc56dd37195a649fa67c81b09f564ad1fe564b312dcc489765c3eda7bc0556c0

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://algs4.cs.princeton.edu/home/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date: Mon, 13 Jun 2022 17:41:34 GMT
Last-Modified: Fri, 26 Aug 2016 11:06:22 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "970a-53af7812f0db1"
Content-Type: image/png
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=99
Content-Length: 38666

GET
H/1.1 200
OK cover.png
introcs.cs.princeton.edu/java/ 199 KB
199 KB 114ms
37ms Image
image/png 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://introcs.cs.princeton.edu/java/cover.png
Requested by: Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: 48a3d3d93cc465686cbd09659934c9282d8ea21e3adb56956e0bd3f2e0d90b6b

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://algs4.cs.princeton.edu/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

Date: Mon, 13 Jun 2022 17:41:34 GMT
Last-Modified: Mon, 29 Jan 2018 15:55:11 GMT
Server: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag: "31b83-563ec45633918"
Content-Type: image/png
Connection: Keep-Alive
Accept-Ranges: bytes
Keep-Alive: timeout=5, max=100
Content-Length: 203651

GET
H/1.1 200
OK cover-analysis-of-algorithms.png
algs4.cs.princeton.edu/ 65 KB
66 KB 26ms
26ms Image
image/png 128.112.136.61
PRINCETON-AS

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://algs4.cs.princeton.edu/cover-analysis-of-algorithms.png
Requested by: Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 128.112.136.61 Trenton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS: wwwprx2.cs.princeton.edu
Software: Apache/2.4.51 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash: 4e91666a1be232eb7cfcfbb5b2425643c742fc8a2b5703161278a20899c4b1e6

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://algs4.cs.princeton.edu/home/
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Response headers

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Response headers

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Response headers

Date: Mon, 13 Jun 2022 17:41:34 GMT
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Date: Mon, 13 Jun 2022 17:41:34 GMT
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Date: Mon, 13 Jun 2022 17:41:34 GMT
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Full URL

https://ssl.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=322208890&utmhn=algs4.cs.princeton.edu&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Algorithms%2C%204th%20Edition%20by%20Robert%20Sedgewick%20and%20Kevin%20Wayne&utmhid=170065590&utmr=-&utmp=%2Fhome%2F&utmht=1655142094824&utmac=UA-10811519-2&utmcc=__utma%3D170034928.980855010.1655142095.1655142095.1655142095.1%3B%2B__utmz%3D170034928.1655142095.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=412134157&utmredir=1&utmu=DAAAAAAAAAAAAAAAAAABAAAE~

Requested by

Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/

Protocol

Security

QUIC, , AES_128_GCM

Server

2607:f8b0:4006:81e::2008 Mullica Hill, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: en-CA,en;q=0.9
Referer: https://algs4.cs.princeton.edu/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Response headers

pragma: no-cache
date: Mon, 13 Jun 2022 17:41:34 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: image/gif
access-control-allow-origin: *
cache-control: no-cache, no-store, must-revalidate
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length: 35
expires: Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

23 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.

9 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
.princeton.edu/	1970-01-20 21:16:54	Name: _ga Value: GA1.2.980855010.1655142095
.princeton.edu/	1970-01-20 03:47:08	Name: _gid Value: GA1.2.1801714869.1655142095
.princeton.edu/	1970-01-20 03:45:42	Name: _gat Value: 1
.algs4.cs.princeton.edu/	1970-01-20 21:16:54	Name: __utma Value: 170034928.980855010.1655142095.1655142095.1655142095.1
.algs4.cs.princeton.edu/	1969-12-31 23:59:59	Name: __utmc Value: 170034928
.algs4.cs.princeton.edu/	1970-01-20 08:08:30	Name: __utmz Value: 170034928.1655142095.1.1.utmcsr=(direct)\|utmccn=(direct)\|utmcmd=(none)
.algs4.cs.princeton.edu/	1970-01-20 03:45:42	Name: __utmt Value: 1
.algs4.cs.princeton.edu/	1970-01-20 03:45:43	Name: __utmb Value: 170034928.1.10.1655142095
.google.com/	1970-01-20 08:09:13	Name: NID Value: 511=AR2RPDW9iVD3hO7WVECxREOgQRrKWeuaAWcdMAfVOKthL9sbLhoZUNs-yNefvSbnbFro-9U4YWklSsjaQq790A4ipVZacSbFs8nX12csdqh1h5XZBIGs_NT8cblWLnp76_QjZP7G8Zjk_BTC7kmSXY8shP25hZZ3k-Ww7wjg-EA

3 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
javascript	warning	URL: https://algs4.cs.princeton.edu/home/(Line 397) Message: A parser-blocking, cross site (i.e. different eTLD+1) script, https://ssl.google-analytics.com/ga.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript	warning	URL: https://algs4.cs.princeton.edu/home/(Line 397) Message: A parser-blocking, cross site (i.e. different eTLD+1) script, https://ssl.google-analytics.com/ga.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
network	error	URL: https://www.google.com/sorry/index?continue=https://cse.google.com/cse/cse.js%3Fcx%3D005649317310637734940:s7fqljvxwfs&q=EhAmB1MAAGB4ZwAAAAAAAAASGM7tnZUGIhB4CG4QpE1s-AifidfpAAMSMgFy Message: Failed to load resource: the server responded with a status of 429 ()

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.

algs4.cs.princeton.edu
cdnjs.cloudflare.com
cse.google.com
fonts.googleapis.com
introcs.cs.princeton.edu
ssl.google-analytics.com
www.google-analytics.com
www.google.com
128.112.136.61
2606:4700::6811:190e
2607:f8b0:4006:81e::2008
2607:f8b0:4006:81e::200e
2607:f8b0:4006:81f::200e
2607:f8b0:4006:824::2004
2607:f8b0:4006:824::200a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algs4.cs.princeton.edu Open in urlscan Pro 128.112.136.61 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

20 Requests

95 %HTTPS

86 %IPv6

5 Domains

8 Subdomains

6 IPs

1 Countries

550 kBTransfer

827 kBSize

9 Cookies

15 Outgoing links

Page URL History

Redirected requests

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

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Verdicts & Comments Add Verdict or Comment

23 JavaScript Global Variables

9 Cookies

3 Console Messages

Indicators

algs4.cs.princeton.edu Open in urlscan Pro
128.112.136.61 Public Scan

Screenshot
Live screenshot

Full Image

20
Requests

95 %
HTTPS

86 %
IPv6

5
Domains

8
Subdomains

6
IPs

1
Countries

550 kB
Transfer

827 kB
Size

9
Cookies

20 HTTP transactions
0 data transactions