urlscan.io logo urlscan.io
SecurityTrails logo

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

Go To Rescan Add Verdict Report
Submitted URL: https://algs4.cs.princeton.edu/
Effective URL: https://algs4.cs.princeton.edu/home/
Submission: On July 25 via api from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 8 IPs in 2 countries across 5 domains to perform 27 HTTP transactions. The main IP is 128.112.136.61, located in Princeton, United States and belongs to PRINCETON-AS, US. The main domain is algs4.cs.princeton.edu.
TLS certificate: Issued by Let's Encrypt Authority X3 on June 30th 2020. 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

14    128.112.136.61 (Princeton, United States)

ASN88 (PRINCETON-AS, US)
algs4.cs.princeton.edu
introcs.cs.princeton.edu
1    2a00:1450:4001:81f::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
2    2606:4700::6810:85e5 (United States)

ASN13335 (CLOUDFLARENET, US)
cdnjs.cloudflare.com
2    2a00:1450:4001:816::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
6    2a00:1450:4001:801::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
2    2a00:1450:4001:802::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
cse.google.com
2    2a00:1450:4001:81f::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
ssl.google-analytics.com
1    2a00:1450:4001:806::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
clients1.google.com
Domain Requested by
13 algs4.cs.princeton.edu 2 redirects algs4.cs.princeton.edu
6 www.google.com 1 redirects cse.google.com
www.google.com
2 ssl.google-analytics.com algs4.cs.princeton.edu
2 cse.google.com algs4.cs.princeton.edu
www.google.com
2 www.google-analytics.com algs4.cs.princeton.edu
2 cdnjs.cloudflare.com algs4.cs.princeton.edu
cdnjs.cloudflare.com
1 clients1.google.com algs4.cs.princeton.edu
1 introcs.cs.princeton.edu algs4.cs.princeton.edu
1 fonts.googleapis.com algs4.cs.princeton.edu
27 9
Subject Issuer Validity Valid
algs4.cs.princeton.edu
Let's Encrypt Authority X3		 2020-06-30 -
2020-09-28		 3 months crt.sh
upload.video.google.com
GTS CA 1O1		 2020-07-07 -
2020-09-29		 3 months crt.sh
cloudflare.com
Cloudflare Inc ECC CA-3		 2020-07-04 -
2021-07-04		 a year crt.sh
introcs.cs.princeton.edu
Let's Encrypt Authority X3		 2020-06-30 -
2020-09-28		 3 months crt.sh
*.google-analytics.com
GTS CA 1O1		 2020-07-07 -
2020-09-29		 3 months crt.sh
*.google.com
GTS CA 1O1		 2020-07-07 -
2020-09-29		 3 months crt.sh
www.google.com
GTS CA 1O1		 2020-07-07 -
2020-09-29		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://algs4.cs.princeton.edu/home/
Frame ID: AC965489D1E91C84E2B5874C6CD19149
Requests: 27 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. 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

Overall confidence: 100%
Detected patterns
  • headers server /php\/?([\d.]+)?/i
Overall confidence: 100%
Detected patterns
  • script /([\d.]+)?\/mathjax\.js/i
Overall confidence: 100%
Detected patterns
  • headers server /OpenSSL(?:\/([\d.]+[a-z]?))?/i
Overall confidence: 100%
Detected patterns
  • headers server /(?:Apache(?:$|\/([\d.]+)|[^/-])|(?:^|\b)HTTPD)/i
Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i
Overall confidence: 100%
Detected patterns
  • html /<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com/i
Overall confidence: 100%
Detected patterns
  • script /swfobject.*\.js/i

Page Statistics

27
Requests

100 %
HTTPS

88 %
IPv6

5
Domains

9
Subdomains

8
IPs

2
Countries

721 kB
Transfer

1318 kB
Size

8
Cookies

Page URL History

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

  1. https://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 302
  • https://cse.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs

27 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
algs4.cs.princeton.edu/home/
Redirect Chain
  • https://algs4.cs.princeton.edu/
  • https://algs4.cs.princeton.edu/home
  • https://algs4.cs.princeton.edu/home/
15 KB
15 KB 		Document
General
Check archive.org
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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (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
07fca8e6658bf0830d70c777a0b34ed722fa020c6fea57508a89f1983f73034e

Request headers

Host
algs4.cs.princeton.edu
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site
none
Sec-Fetch-Mode
navigate
Sec-Fetch-User
?1
Sec-Fetch-Dest
document
Accept-Encoding
gzip, deflate, br
Accept-Language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
X-Powered-By
PHP/5.6.25
Content-Type
text/html; charset=UTF-8
Keep-Alive
timeout=5, max=98
Connection
Keep-Alive
Transfer-Encoding
chunked

Redirect headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
Location
https://algs4.cs.princeton.edu/home/
Content-Length
244
Content-Type
text/html; charset=iso-8859-1
Keep-Alive
timeout=5, max=99
Connection
Keep-Alive
css
fonts.googleapis.com/ 		1 KB
578 B 		Stylesheet
General
Check archive.org
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
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81f::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
b5ad532b12081a0354ff47c44f3e793ad946d61ef10921a3efd02bd945d50b02
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
content-encoding
gzip
x-content-type-options
nosniff
status
200
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
Sat, 25 Jul 2020 19:47:27 GMT
server
ESF
date
Sat, 25 Jul 2020 21:03:57 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
Sat, 25 Jul 2020 21:03:57 GMT
algs4.css
algs4.cs.princeton.edu/css/ 		9 KB
10 KB 		Stylesheet
General
Check archive.org
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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash
7f3bdeb388d0debff77458d5728d041454215ae5fbaaff6b84d9ee2147021acc

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Sat, 27 Jun 2020 20:32:22 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag
"24b3-5a916b90b14ab"
Content-Type
text/css
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=97
Content-Length
9395
MathJax.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/ 		62 KB
18 KB 		Script
General
Check archive.org
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
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:85e5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
48344fd55558bbeb600062a175d052979f9ece87c7299788f8ecf16a46c87bf6
Security Headers
Name Value
Strict-Transport-Security max-age=15780000; includeSubDomains

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Sat, 25 Jul 2020 21:03:57 GMT
content-encoding
br
vary
Accept-Encoding
cf-cache-status
HIT
age
1107807
status
200
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
042963376d000005b7b7a8c200000001
timing-allow-origin
*
last-modified
Thu, 17 May 2018 09:23:44 GMT
server
cloudflare
etag
W/"5afd4a20-f648"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000; includeSubDomains
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
expires
Thu, 15 Jul 2021 21:03:57 GMT
cache-control
public, max-age=30672000
cf-ray
5b88d49f1d1405b7-FRA
served-in-seconds
0.002
swfobject.js
algs4.cs.princeton.edu/media/ 		7 KB
7 KB 		Script
General
Check archive.org
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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (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

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Fri, 26 Aug 2016 11:06:52 GMT
Server
Apache/2.4.41 (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
cover.png
algs4.cs.princeton.edu/ 		38 KB
38 KB 		Image
General
Check archive.org
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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (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

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Fri, 26 Aug 2016 11:06:22 GMT
Server
Apache/2.4.41 (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=100
Content-Length
38666
cover.png
introcs.cs.princeton.edu/java/ 		199 KB
199 KB 		Image
General
Check archive.org
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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (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

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Mon, 29 Jan 2018 15:55:11 GMT
Server
Apache/2.4.41 (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
cover-analysis-of-algorithms.png
algs4.cs.princeton.edu/ 		65 KB
66 KB 		Image
General
Check archive.org
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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (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

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Fri, 26 Aug 2016 11:06:52 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag
"104ac-53af782ff0be8"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
66732
link-icons.css
algs4.cs.princeton.edu/css/ 		10 KB
10 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algs4.cs.princeton.edu/css/link-icons.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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash
69b562714e265457b9b66f7469a342de4cf401bc446d13fd8b0a3280ae3839a0

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Wed, 08 Apr 2020 13:19:00 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag
"2640-5a2c757e5c775"
Content-Type
text/css
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
9792
TeX-AMS-MML_HTMLorMML.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/config/ 		238 KB
65 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/config/TeX-AMS-MML_HTMLorMML.js?V=2.7.1
Requested by
Host: cdnjs.cloudflare.com
URL: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:85e5 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8df260b35bb9f49c0d937fcbf0ec13fb661b0d281528aec977aee6a8c3f83688
Security Headers
Name Value
Strict-Transport-Security max-age=15780000; includeSubDomains

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Sat, 25 Jul 2020 21:03:57 GMT
content-encoding
br
vary
Accept-Encoding
cf-cache-status
HIT
age
8009706
status
200
alt-svc
h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
cf-request-id
0429633887000005b7b7ac3200000001
served-in-seconds
0.005
timing-allow-origin
*
last-modified
Thu, 17 May 2018 09:22:39 GMT
server
cloudflare
etag
W/"5afd49df-3b80d"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15780000; includeSubDomains
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
cf-ray
5b88d4a0d99b05b7-FRA
expires
Thu, 15 Jul 2021 21:03:57 GMT
analytics.js
www.google-analytics.com/ 		45 KB
18 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:816::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
fd361b57998c76f86335afa28b8a62527d88a8200fb5c428d6f0fff73383e955
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 04 Jun 2020 23:38:14 GMT
server
Golfe2
age
2898
date
Sat, 25 Jul 2020 20:15:39 GMT
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=7200
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
18469
expires
Sat, 25 Jul 2020 22:15:39 GMT
cse.js
cse.google.com/cse/
Redirect Chain
  • https://www.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs
  • https://cse.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs
10 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cse.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:802::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
gws /
Resource Hash
aa2ea4566f1265529c9ed3d9058d94ba0a5f76bba5a59a7abe9dac7228f9a6b0
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Sat, 25 Jul 2020 21:03:57 GMT
content-encoding
br
server
gws
x-frame-options
SAMEORIGIN
p3p
CP="This is not a P3P policy! See g.co/p3phelp for more info."
status
200
cache-control
private
content-disposition
attachment; filename="f.txt"
content-type
text/javascript; charset=UTF-8
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
3449
x-xss-protection
0
expires
Sat, 25 Jul 2020 21:03:57 GMT

Redirect headers

date
Sat, 25 Jul 2020 21:03:57 GMT
x-content-type-options
nosniff
server
sffe
status
302
content-type
text/html; charset=UTF-8
location
https://cse.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs
cache-control
private
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
267
x-xss-protection
0
cuvids.png
algs4.cs.princeton.edu/css/icons/ 		46 KB
46 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algs4.cs.princeton.edu/css/icons/cuvids.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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash
7fe24a44be25a5d673f7d2ef67dda3d253e84c881ed3a7cf4e3c60b502966cc6

Request headers

Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Thu, 23 Jan 2020 01:12:22 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag
"b7b5-59cc4554ed1e1"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=95
Content-Length
47029
email.png
algs4.cs.princeton.edu/css/icons/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algs4.cs.princeton.edu/css/icons/email.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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash
e1ef371240183d4a6a6d4dd121f17c3a49c65641e384dec8a766a3b6dbc42314

Request headers

Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Thu, 21 Jun 2018 14:54:51 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag
"6ff-56f2818f999db"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
1791
pdf.png
algs4.cs.princeton.edu/css/icons/ 		17 KB
18 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algs4.cs.princeton.edu/css/icons/pdf.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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash
db68ca0654fcc8440e344c509e4b132eabfb607317dbd53195b37f9a2fa81245

Request headers

Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Thu, 21 Jun 2018 14:54:52 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag
"452b-56f2818ff6b1d"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
17707
pu-shield.png
algs4.cs.princeton.edu/css/icons/ 		16 KB
17 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algs4.cs.princeton.edu/css/icons/pu-shield.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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash
1555801a0ec7dff70c92a7ef10eaafc846414041dd9e26f86752fb0fac904a1e

Request headers

Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Thu, 21 Jun 2018 14:54:52 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag
"40db-56f281908a6ef"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
16603
coursera.png
algs4.cs.princeton.edu/css/icons/ 		8 KB
9 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algs4.cs.princeton.edu/css/icons/coursera.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 Princeton, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
Software
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30 /
Resource Hash
d70b39723833e390a5cb4604e2d37f7dfaa780a248b5c86238d7835bebf46033

Request headers

Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

Date
Sat, 25 Jul 2020 21:03:57 GMT
Last-Modified
Thu, 21 Jun 2018 14:54:51 GMT
Server
Apache/2.4.41 (Springdale Linux) OpenSSL/1.0.2k-fips mod_fcgid/2.3.9 PHP/5.6.25 Phusion_Passenger/5.0.30
ETag
"211d-56f2818f7c356"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=99
Content-Length
8477
ga.js
ssl.google-analytics.com/ 		45 KB
17 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ssl.google-analytics.com/ga.js
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
1259ea99bd76596239bfd3102c679eb0a5052578dc526b0452f4d42f8bcdd45f
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Intervention
<https://www.chromestatus.com/feature/5718547946799104>; level="warning"

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 04 Jun 2020 23:38:14 GMT
server
Golfe2
age
1637
date
Sat, 25 Jul 2020 20:36:40 GMT
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=7200
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
17168
expires
Sat, 25 Jul 2020 22:36:40 GMT
collect
www.google-analytics.com/r/ 		35 B
101 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google-analytics.com/r/collect?v=1&_v=j83&a=807290688&t=pageview&_s=1&dl=https%3A%2F%2Falgs4.cs.princeton.edu%2Fhome%2F&ul=en-us&de=UTF-8&dt=Algorithms%2C%204th%20Edition%20by%20Robert%20Sedgewick%20and%20Kevin%20Wayne&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=IEBAAEAB~&jid=401757960&gjid=1838957460&cid=1032104820.1595711038&tid=UA-10811519-2&_gid=766059998.1595711038&_r=1&z=594221000
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:816::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

pragma
no-cache
date
Sat, 25 Jul 2020 21:03:57 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
status
200
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
__utm.gif
ssl.google-analytics.com/r/ 		35 B
109 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://ssl.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=507316267&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=807290688&utmr=-&utmp=%2Fhome%2F&utmht=1595711037705&utmac=UA-10811519-2&utmcc=__utma%3D170034928.1032104820.1595711038.1595711038.1595711038.1%3B%2B__utmz%3D170034928.1595711038.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1400420599&utmredir=1&utmu=DAAAAAAAAAAAAAAAAAABAAAE~
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

pragma
no-cache
date
Sat, 25 Jul 2020 21:03:57 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
status
200
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
cse_element__en.js
www.google.com/cse/static/element/26b8d00a7c7a0812/ 		260 KB
86 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
Requested by
Host: cse.google.com
URL: https://cse.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
77a59cb277854c7e55d027b3cc11095a241d8107ff7be5b345403453a3d16be1
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Wed, 22 Jul 2020 14:44:22 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Mon, 06 Jul 2020 13:27:13 GMT
server
sffe
age
281975
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=31536000
accept-ranges
bytes
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
88400
x-xss-protection
0
expires
Thu, 22 Jul 2021 14:44:22 GMT
default_v2+en.css
www.google.com/cse/static/element/26b8d00a7c7a0812/ 		40 KB
9 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.google.com/cse/static/element/26b8d00a7c7a0812/default_v2+en.css
Requested by
Host: cse.google.com
URL: https://cse.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
8b2484fa9a9b136b9eb56c1d2b3bfdacd1c8970acf325585235aa35b16fc010a
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Sat, 25 Jul 2020 10:04:12 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Mon, 06 Jul 2020 13:27:13 GMT
server
sffe
age
39585
vary
Accept-Encoding
content-type
text/css
status
200
cache-control
public, max-age=31536000
accept-ranges
bytes
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
8947
x-xss-protection
0
expires
Sun, 25 Jul 2021 10:04:12 GMT
default.css
www.google.com/cse/static/style/look/v4/ 		4 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.google.com/cse/static/style/look/v4/default.css
Requested by
Host: cse.google.com
URL: https://cse.google.com/cse/cse.js?cx=005649317310637734940:s7fqljvxwfs
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
dcec22bbcb68119d6c7d6d5e088fb82183a9826d0c9e3403f1386fd837f06a89
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Sat, 25 Jul 2020 20:59:49 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 17 Jun 2020 00:00:00 GMT
server
sffe
age
248
vary
Accept-Encoding
content-type
text/css
status
200
cache-control
public, max-age=3000
accept-ranges
bytes
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
1345
x-xss-protection
0
expires
Sat, 25 Jul 2020 21:49:49 GMT
async-ads.js
cse.google.com/adsense/search/ 		178 KB
62 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cse.google.com/adsense/search/async-ads.js
Requested by
Host: www.google.com
URL: https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:802::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
c812e3bd9b8043b8cba700aceb5da8cdfe14316b6cddba07e3c026dd2bb0e598
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Sat, 25 Jul 2020 21:03:57 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
sffe
etag
"1003305592881935066"
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
status
200
cache-control
private, max-age=3600
accept-ranges
bytes
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
expires
Sat, 25 Jul 2020 21:03:57 GMT
clear.png
www.google.com/cse/static/css/v2/ 		1018 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/cse/static/css/v2/clear.png
Requested by
Host: www.google.com
URL: https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
329d1a750114920332eadc55c129957d9dbe5a1b25745e2f7e0ed4fad75e04cd
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.google.com/cse/static/element/26b8d00a7c7a0812/default_v2+en.css
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Thu, 09 Jul 2020 01:21:09 GMT
x-content-type-options
nosniff
last-modified
Mon, 25 May 2020 08:30:00 GMT
server
sffe
age
1453368
content-type
image/png
status
200
cache-control
public, max-age=31536000
accept-ranges
bytes
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
1018
x-xss-protection
0
expires
Fri, 09 Jul 2021 01:21:09 GMT
branding.png
www.google.com/cse/static/images/1x/en/ 		1 KB
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/cse/static/images/1x/en/branding.png
Requested by
Host: www.google.com
URL: https://www.google.com/cse/static/element/26b8d00a7c7a0812/cse_element__en.js?usqp=CAI%3D
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:801::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
331b2b1241f1f2a53744bdca867c5b76954d9431970e91f490f64c707fc24a16
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

date
Fri, 24 Jul 2020 12:56:24 GMT
x-content-type-options
nosniff
last-modified
Mon, 25 May 2020 08:30:00 GMT
server
sffe
age
115653
content-type
image/png
status
200
cache-control
public, max-age=31536000
accept-ranges
bytes
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
1372
x-xss-protection
0
expires
Sat, 24 Jul 2021 12:56:24 GMT
generate_204
clients1.google.com/ 		0
201 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://clients1.google.com/generate_204
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:806::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://algs4.cs.princeton.edu/home/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Response headers

status
204
date
Sat, 25 Jul 2020 21:03:57 GMT
alt-svc
h3-29=":443"; ma=2592000,h3-27=":443"; ma=2592000,h3-T050=":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
0

Verdicts & Comments Add Verdict or Comment

30 JavaScript Global Variables

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

object| MathJax object| deconcept function| getQueryParamValue function| FlashObject function| SWFObject string| GoogleAnalyticsObject function| ga string| gaJsHost object| google_tag_data object| gaplugins object| gaGlobal object| gaData undefined| module object| _gat object| _gaq object| pageTracker object| __gcse object| google object| closure_lm_935317 function| _googCsa number| nextSearchboxId number| googleNDT_ string| _googCsaExpIds number| _googCsaAlwaysHttps number| _googEnableTcf number| _googEnableQup number| _googLazyLoadingRootMargin number| _googTcfApiTimeout number| _googUspApiTimeout number| googleAltLoader

8 Cookies

Domain/Path Name / Value
.algs4.cs.princeton.edu/ Name: __utmb
Value: 170034928.1.10.1595711038
.algs4.cs.princeton.edu/ Name: __utmt
Value: 1
.algs4.cs.princeton.edu/ Name: __utma
Value: 170034928.1032104820.1595711038.1595711038.1595711038.1
.princeton.edu/ Name: _gat
Value: 1
.algs4.cs.princeton.edu/ Name: __utmc
Value: 170034928
.algs4.cs.princeton.edu/ Name: __utmz
Value: 170034928.1595711038.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)
.princeton.edu/ Name: _gid
Value: GA1.2.766059998.1595711038
.princeton.edu/ Name: _ga
Value: GA1.2.1032104820.1595711038

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
clients1.google.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::6810:85e5
2a00:1450:4001:801::2004
2a00:1450:4001:802::200e
2a00:1450:4001:806::200e
2a00:1450:4001:816::200e
2a00:1450:4001:81f::2008
2a00:1450:4001:81f::200a
07fca8e6658bf0830d70c777a0b34ed722fa020c6fea57508a89f1983f73034e
1259ea99bd76596239bfd3102c679eb0a5052578dc526b0452f4d42f8bcdd45f
1555801a0ec7dff70c92a7ef10eaafc846414041dd9e26f86752fb0fac904a1e
329d1a750114920332eadc55c129957d9dbe5a1b25745e2f7e0ed4fad75e04cd
331b2b1241f1f2a53744bdca867c5b76954d9431970e91f490f64c707fc24a16
48344fd55558bbeb600062a175d052979f9ece87c7299788f8ecf16a46c87bf6
48a3d3d93cc465686cbd09659934c9282d8ea21e3adb56956e0bd3f2e0d90b6b
4e91666a1be232eb7cfcfbb5b2425643c742fc8a2b5703161278a20899c4b1e6
69b562714e265457b9b66f7469a342de4cf401bc446d13fd8b0a3280ae3839a0
77a59cb277854c7e55d027b3cc11095a241d8107ff7be5b345403453a3d16be1
7f3bdeb388d0debff77458d5728d041454215ae5fbaaff6b84d9ee2147021acc
7fe24a44be25a5d673f7d2ef67dda3d253e84c881ed3a7cf4e3c60b502966cc6
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
8b2484fa9a9b136b9eb56c1d2b3bfdacd1c8970acf325585235aa35b16fc010a
8df260b35bb9f49c0d937fcbf0ec13fb661b0d281528aec977aee6a8c3f83688
aa2ea4566f1265529c9ed3d9058d94ba0a5f76bba5a59a7abe9dac7228f9a6b0
b5ad532b12081a0354ff47c44f3e793ad946d61ef10921a3efd02bd945d50b02
bc56dd37195a649fa67c81b09f564ad1fe564b312dcc489765c3eda7bc0556c0
c812e3bd9b8043b8cba700aceb5da8cdfe14316b6cddba07e3c026dd2bb0e598
d70b39723833e390a5cb4604e2d37f7dfaa780a248b5c86238d7835bebf46033
db68ca0654fcc8440e344c509e4b132eabfb607317dbd53195b37f9a2fa81245
dcec22bbcb68119d6c7d6d5e088fb82183a9826d0c9e3403f1386fd837f06a89
e1ef371240183d4a6a6d4dd121f17c3a49c65641e384dec8a766a3b6dbc42314
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
f2172868bc46d74ad32f2715bc25a8716e07a784b2ecb24d9d077d2125c6c993
fd361b57998c76f86335afa28b8a62527d88a8200fb5c428d6f0fff73383e955