Submitted URL: https://introcs.cs.princeton.edu/
Effective URL: https://introcs.cs.princeton.edu/java/home/
Submission Tags: falconsandbox
Submission: On October 03 via api from US — Scanned from DE

Summary

This website contacted 6 IPs in 2 countries across 4 domains to perform 28 HTTP transactions. The main IP is 128.112.136.61, located in Fairless Hills, United States and belongs to PRINCETON-AS, US. The main domain is introcs.cs.princeton.edu.
TLS certificate: Issued by R3 on August 27th 2021. Valid for: 3 months.
This is the only time introcs.cs.princeton.edu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 16 128.112.136.61 88 (PRINCETON-AS)
2 2606:4700::68... 13335 (CLOUDFLAR...)
3 2a00:1450:400... 15169 (GOOGLE)
1 6 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
28 6
Domain Requested by
8 algs4.cs.princeton.edu introcs.cs.princeton.edu
algs4.cs.princeton.edu
8 introcs.cs.princeton.edu 2 redirects introcs.cs.princeton.edu
6 www.google.com 1 redirects www.google.com
introcs.cs.princeton.edu
2 ssl.google-analytics.com introcs.cs.princeton.edu
2 cse.google.com introcs.cs.princeton.edu
www.google.com
2 www.google-analytics.com introcs.cs.princeton.edu
www.google-analytics.com
2 cdnjs.cloudflare.com introcs.cs.princeton.edu
cdnjs.cloudflare.com
1 clients1.google.com introcs.cs.princeton.edu
28 8
Subject Issuer Validity Valid
introcs.cs.princeton.edu
R3
2021-08-27 -
2021-11-25
3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2021-09-21 -
2022-09-20
a year crt.sh
algs4.cs.princeton.edu
R3
2021-08-27 -
2021-11-25
3 months crt.sh
*.google-analytics.com
GTS CA 1C3
2021-09-13 -
2021-11-20
2 months crt.sh
*.google.com
GTS CA 1C3
2021-09-13 -
2021-11-20
2 months crt.sh
www.google.com
GTS CA 1C3
2021-09-13 -
2021-11-20
2 months crt.sh

This page contains 1 frames:

Primary Page: https://introcs.cs.princeton.edu/java/home/
Frame ID: 53C4B62A9C3A501F079C3B9D6AD95A61
Requests: 28 HTTP requests in this frame

Screenshot

Page Title

Introduction to Programming in Java ยท Computer Sciencesearch

Page URL History Show full URLs

  1. https://introcs.cs.princeton.edu/ HTTP 302
    https://introcs.cs.princeton.edu/java/home HTTP 301
    https://introcs.cs.princeton.edu/java/home/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/mathjax\.js

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js

Overall confidence: 100%
Detected patterns
  • swfobject.*\.js

Page Statistics

28
Requests

100 %
HTTPS

83 %
IPv6

4
Domains

8
Subdomains

6
IPs

2
Countries

2181 kB
Transfer

2557 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://introcs.cs.princeton.edu/ HTTP 302
    https://introcs.cs.princeton.edu/java/home HTTP 301
    https://introcs.cs.princeton.edu/java/home/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 11
  • https://www.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk HTTP 301
  • https://cse.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk

28 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
introcs.cs.princeton.edu/java/home/
Redirect Chain
  • https://introcs.cs.princeton.edu/
  • https://introcs.cs.princeton.edu/java/home
  • https://introcs.cs.princeton.edu/java/home/
21 KB
21 KB
Document
General
Full URL
https://introcs.cs.princeton.edu/java/home/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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
d18e5bc17d7935a45ea7e6756a0b9fa4725fdfbe7fa2cb16ef5933d82dfcdb53

Request headers

Host
introcs.cs.princeton.edu
Connection
keep-alive
Pragma
no-cache
Cache-Control
no-cache
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Accept-Language
de-DE,de;q=0.9
Accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,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
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Accept-Language
de-DE,de;q=0.9

Response headers

Date
Sun, 03 Oct 2021 04:43:50 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
Sun, 03 Oct 2021 04:43:50 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://introcs.cs.princeton.edu/java/home/
Content-Length
251
Content-Type
text/html; charset=iso-8859-1
Keep-Alive
timeout=5, max=99
Connection
Keep-Alive
introcs.css
introcs.cs.princeton.edu/
6 KB
6 KB
Stylesheet
General
Full URL
https://introcs.cs.princeton.edu/introcs.css
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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
5a8845a59c8731c02f498af143d190a568777df54102a519e929b0cd8fabab20

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
introcs.cs.princeton.edu
Accept-Language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
text/css,*/*;q=0.1
Cache-Control
no-cache
Sec-Fetch-Dest
style
Referer
https://introcs.cs.princeton.edu/java/home/
Connection
keep-alive
Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/java/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 GMT
Last-Modified
Fri, 21 Dec 2018 13:00:08 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
"178a-57d87d3a0c843"
Content-Type
text/css
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=97
Content-Length
6026
MathJax.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/
62 KB
17 KB
Script
General
Full URL
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:125e , 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
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Sun, 03 Oct 2021 04:43:51 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
901810
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400, h3-28=":443"; ma=86400, h3-27=":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=ctKtjW0pXOtvgXKmNCEM53dMvcafpOnbH97o9m9A%2BOvBbKQ3D0xYXMGGOuyxjmiztSEBltvHFEOVcUNAMBr%2FiNS%2Blk4YL5U6HQ7jYmvTW%2B4sfH8ot3y2UcS5aTxGX%2BROhajz28AeUUIwHNvp9fLVWbyN"}],"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
6983830d1dca6401-FRA
expires
Fri, 23 Sep 2022 04:43:51 GMT
swfobject.js
algs4.cs.princeton.edu/media/
7 KB
7 KB
Script
General
Full URL
https://algs4.cs.princeton.edu/media/swfobject.js
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 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=99
Content-Length
6880
cover.png
introcs.cs.princeton.edu/java/
199 KB
199 KB
Image
General
Full URL
https://introcs.cs.princeton.edu/java/cover.png
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
introcs.cs.princeton.edu
Accept-Language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
Cache-Control
no-cache
Sec-Fetch-Dest
image
Referer
https://introcs.cs.princeton.edu/java/home/
Connection
keep-alive
Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/java/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 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=96
Content-Length
203651
cover-python.png
introcs.cs.princeton.edu/java/
291 KB
292 KB
Image
General
Full URL
https://introcs.cs.princeton.edu/java/cover-python.png
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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
df87c8ee61da4b89f45364f86cb1c78d8723f1fe44f7f076205c395919513ede

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
introcs.cs.princeton.edu
Accept-Language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
Cache-Control
no-cache
Sec-Fetch-Dest
image
Referer
https://introcs.cs.princeton.edu/java/home/
Connection
keep-alive
Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/java/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 GMT
Last-Modified
Thu, 26 Mar 2015 10:12:22 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
"48ce3-5122e4069ae2e"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
298211
cover.png
algs4.cs.princeton.edu/
38 KB
38 KB
Image
General
Full URL
https://algs4.cs.princeton.edu/cover.png
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 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=98
Content-Length
38666
cover-java2e.png
introcs.cs.princeton.edu/java/
190 KB
190 KB
Image
General
Full URL
https://introcs.cs.princeton.edu/java/cover-java2e.png
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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
c774007720841107125d937dd8299ccf84a2cd2a9b78f383318c6e8ab7aa1b25

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
introcs.cs.princeton.edu
Accept-Language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
Cache-Control
no-cache
Sec-Fetch-Dest
image
Referer
https://introcs.cs.princeton.edu/java/home/
Connection
keep-alive
Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/java/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 GMT
Last-Modified
Wed, 20 Mar 2019 15:37:52 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
"2f6be-58488679b40f6"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=95
Content-Length
194238
cover-cs.png
introcs.cs.princeton.edu/java/
812 KB
812 KB
Image
General
Full URL
https://introcs.cs.princeton.edu/java/cover-cs.png
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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
78fa94ff410580362364a3a2f11807522a05f60401e24ef11216857f0141e0fe

Request headers

Pragma
no-cache
Sec-Fetch-Site
same-origin
Accept-Encoding
gzip, deflate, br
Host
introcs.cs.princeton.edu
Accept-Language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Sec-Fetch-Mode
no-cors
Accept
image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
Cache-Control
no-cache
Sec-Fetch-Dest
image
Referer
https://introcs.cs.princeton.edu/java/home/
Connection
keep-alive
Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/java/home/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 GMT
Last-Modified
Wed, 20 Mar 2019 15:50:32 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
"cae60-5848894f267d9"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
831072
link-icons.css
algs4.cs.princeton.edu/css/
10 KB
10 KB
Stylesheet
General
Full URL
https://algs4.cs.princeton.edu/css/link-icons.css
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/introcs.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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
dfb197a9849bf8e4bccde93d792e75de460d9b44c1d3a48a02a8de68fad4b16a

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 GMT
Last-Modified
Tue, 06 Jul 2021 15:44:05 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
"2642-5c6764ab3a39d"
Content-Type
text/css
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
9794
TeX-AMS-MML_HTMLorMML.js
cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/config/
238 KB
59 KB
Script
General
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::6810:125e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8df260b35bb9f49c0d937fcbf0ec13fb661b0d281528aec977aee6a8c3f83688
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Sun, 03 Oct 2021 04:43:51 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
4968281
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400, h3-28=":443"; ma=86400, h3-27=":443"; ma=86400
content-length
60028
timing-allow-origin
*
last-modified
Mon, 04 May 2020 16:13:07 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03f13-3b80d"
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=nOqyN5%2Fg4yIllVmYC3FXTRaYpXtqXRRRHnC9ipcAKW3dSCzL1IyW2be76u2h2LLKB2hzA%2BYT5CaVpuW3kvjvTc9%2BfDIBz2YiKY9%2FAIHR2KpdvDpKHLsmVU0uX9of10p5Fsmp3n1K0OX%2BTFvIuQHUJ5CB"}],"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
6983830fde0a6401-FRA
expires
Fri, 23 Sep 2022 04:43:51 GMT
analytics.js
www.google-analytics.com/
48 KB
20 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
fd222137f245c06ddb4c4d44db41f12138dad6cf8ef5d4d4a5e500f38f0c8c62
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 11 Aug 2021 00:32:57 GMT
server
Golfe2
age
7014
date
Sun, 03 Oct 2021 02:46:57 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
19747
expires
Sun, 03 Oct 2021 04:46:57 GMT
cse.js
cse.google.com/cse/
Redirect Chain
  • https://www.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk
  • https://cse.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk
10 KB
4 KB
Script
General
Full URL
https://cse.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
gws /
Resource Hash
ed41d880f6538b29594d15f2b76347580e18cfc099948d2cc0277b3f63b2b363
Security Headers
Name Value
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

bfcache-opt-in
unload
date
Sun, 03 Oct 2021 04:43:51 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."
cache-control
private
content-disposition
attachment; filename="f.txt"
content-type
text/javascript; charset=UTF-8
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
3450
x-xss-protection
0
expires
Sun, 03 Oct 2021 04:43:51 GMT

Redirect headers

date
Sun, 03 Oct 2021 04:43:51 GMT
x-content-type-options
nosniff
server
sffe
content-type
text/html; charset=UTF-8
location
https://cse.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk
cache-control
public, max-age=1800
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
expires
Sun, 03 Oct 2021 05:13:51 GMT
email.png
algs4.cs.princeton.edu/css/icons/
2 KB
2 KB
Image
General
Full URL
https://algs4.cs.princeton.edu/css/icons/email.png
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/css/link-icons.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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

Accept-Language
de-DE,de;q=0.9
Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 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
pu-shield.png
algs4.cs.princeton.edu/css/icons/
16 KB
17 KB
Image
General
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/css/link-icons.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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

Accept-Language
de-DE,de;q=0.9
Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 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
pdf.png
algs4.cs.princeton.edu/css/icons/
17 KB
18 KB
Image
General
Full URL
https://algs4.cs.princeton.edu/css/icons/pdf.png
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/css/link-icons.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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

Accept-Language
de-DE,de;q=0.9
Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 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=97
Content-Length
17707
coursera.png
algs4.cs.princeton.edu/css/icons/
8 KB
9 KB
Image
General
Full URL
https://algs4.cs.princeton.edu/css/icons/coursera.png
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/css/link-icons.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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

Accept-Language
de-DE,de;q=0.9
Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 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=100
Content-Length
8477
introcs-booksite.png
algs4.cs.princeton.edu/css/icons/
49 KB
49 KB
Image
General
Full URL
https://algs4.cs.princeton.edu/css/icons/introcs-booksite.png
Requested by
Host: algs4.cs.princeton.edu
URL: https://algs4.cs.princeton.edu/css/link-icons.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
128.112.136.61 Fairless Hills, United States, ASN88 (PRINCETON-AS, US),
Reverse DNS
wwwprx2.cs.princeton.edu
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
beb10df7d9444d057934a9f89b1a2a0a697c0859d114c98a007d697fa3c6655e

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://algs4.cs.princeton.edu/css/link-icons.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

Date
Sun, 03 Oct 2021 04:43:51 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
"c38a-56f2818fb7ab2"
Content-Type
image/png
Connection
Keep-Alive
Accept-Ranges
bytes
Keep-Alive
timeout=5, max=100
Content-Length
50058
ga.js
ssl.google-analytics.com/
45 KB
17 KB
Script
General
Full URL
https://ssl.google-analytics.com/ga.js
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::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://introcs.cs.princeton.edu/
Accept-Language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 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
Wed, 11 Aug 2021 00:32:57 GMT
server
Golfe2
age
6384
date
Sun, 03 Oct 2021 02:57:27 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
Sun, 03 Oct 2021 04:57:27 GMT
collect
www.google-analytics.com/j/
2 B
213 B
XHR
General
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j93&a=630506767&t=pageview&_s=1&dl=https%3A%2F%2Fintrocs.cs.princeton.edu%2Fjava%2Fhome%2F&ul=en-us&de=UTF-8&dt=Introduction%20to%20Programming%20in%20Java%20%C2%B7%20Computer%20Science&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=IEBAAEABAAAAAC~&jid=1618753592&gjid=855356910&cid=1967873089.1633236232&tid=UA-10811519-1&_gid=1466871066.1633236232&_r=1&_slc=1&z=1621644517
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
a048e640908046be06e00eab37742b5d5ff80964af58cfd22f7cb2de4dfe375f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://introcs.cs.princeton.edu/
Accept-Language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Sun, 03 Oct 2021 04:43:51 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://introcs.cs.princeton.edu
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,h3-T051=":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
2
expires
Fri, 01 Jan 1990 00:00:00 GMT
__utm.gif
ssl.google-analytics.com/r/
35 B
197 B
Image
General
Full URL
https://ssl.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=734058472&utmhn=introcs.cs.princeton.edu&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Introduction%20to%20Programming%20in%20Java%20%C2%B7%20Computer%20Science&utmhid=630506767&utmr=-&utmp=%2Fjava%2Fhome%2F&utmht=1633236231779&utmac=UA-10811519-1&utmcc=__utma%3D193361013.1967873089.1633236232.1633236232.1633236232.1%3B%2B__utmz%3D193361013.1633236232.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=386626130&utmredir=1&utmu=DAAAAAAAAAAAAAAAAAABAAAE~
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::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

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 03 Oct 2021 04:43:51 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-T051=":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/cc267ab8871224bd/
290 KB
290 KB
Script
General
Full URL
https://www.google.com/cse/static/element/cc267ab8871224bd/cse_element__en.js?usqp=CAI%3D
Requested by
Host: www.google.com
URL: https://www.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
71173eb1cc84ee88adebf5552afaf335a6d6b2759d37b722b56f7d05c9abc1b4
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Wed, 29 Sep 2021 08:18:53 GMT
x-content-type-options
nosniff
age
332698
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/prose-team
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
296486
x-xss-protection
0
last-modified
Mon, 13 Sep 2021 21:05:40 GMT
server
sffe
vary
Accept-Encoding
report-to
{"group":"prose-team","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/prose-team"}]}
content-type
text/javascript
cache-control
public, max-age=31536000
accept-ranges
bytes
cross-origin-opener-policy-report-only
same-origin; report-to="prose-team"
expires
Thu, 29 Sep 2022 08:18:53 GMT
default+en.css
www.google.com/cse/static/element/cc267ab8871224bd/
41 KB
41 KB
Stylesheet
General
Full URL
https://www.google.com/cse/static/element/cc267ab8871224bd/default+en.css
Requested by
Host: www.google.com
URL: https://www.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
4c1355d27b14881a055e00a4a2afa4608b452c9780ac5c61e1b8f9fd55fa3e1e
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Wed, 29 Sep 2021 08:18:53 GMT
x-content-type-options
nosniff
age
332698
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/prose-team
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
41474
x-xss-protection
0
last-modified
Mon, 13 Sep 2021 21:05:40 GMT
server
sffe
vary
Accept-Encoding
report-to
{"group":"prose-team","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/prose-team"}]}
content-type
text/css
cache-control
public, max-age=31536000
accept-ranges
bytes
cross-origin-opener-policy-report-only
same-origin; report-to="prose-team"
expires
Thu, 29 Sep 2022 08:18:53 GMT
default.css
www.google.com/cse/static/style/look/v4/
4 KB
5 KB
Stylesheet
General
Full URL
https://www.google.com/cse/static/style/look/v4/default.css
Requested by
Host: www.google.com
URL: https://www.google.com/cse/cse.js?cx=005649317310637734940:_d158dlngnk
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::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

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Sun, 03 Oct 2021 04:31:41 GMT
x-content-type-options
nosniff
age
730
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/prose-team
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
4495
x-xss-protection
0
last-modified
Wed, 17 Jun 2020 00:00:00 GMT
server
sffe
vary
Accept-Encoding
report-to
{"group":"prose-team","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/prose-team"}]}
content-type
text/css
cache-control
public, max-age=3000
accept-ranges
bytes
cross-origin-opener-policy-report-only
same-origin; report-to="prose-team"
expires
Sun, 03 Oct 2021 05:21:41 GMT
async-ads.js
cse.google.com/adsense/search/
153 KB
56 KB
Script
General
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/cc267ab8871224bd/cse_element__en.js?usqp=CAI%3D
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
da429984e2cffadc863c14f725188746ecb0547484d5967d7bf7398e20d0ccc9
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Sun, 03 Oct 2021 04:43:51 GMT
content-encoding
gzip
x-content-type-options
nosniff
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/ads-afs-ui
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
server
sffe
etag
"8320854566909681085"
vary
Accept-Encoding
report-to
{"group":"ads-afs-ui","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/ads-afs-ui"}]}
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=3600
accept-ranges
bytes
cross-origin-opener-policy-report-only
same-origin; report-to="ads-afs-ui"
expires
Sun, 03 Oct 2021 04:43:51 GMT
clear.png
www.google.com/cse/static/css/v2/
1018 B
1 KB
Image
General
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/cc267ab8871224bd/default+en.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::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

Accept-Language
de-DE,de;q=0.9
Referer
https://www.google.com/cse/static/element/cc267ab8871224bd/default+en.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Sun, 26 Sep 2021 20:59:01 GMT
x-content-type-options
nosniff
last-modified
Mon, 25 May 2020 08:30:00 GMT
server
sffe
age
546290
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/prose-team
content-type
image/png
cache-control
public, max-age=31536000
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
Mon, 26 Sep 2022 20:59:01 GMT
branding.png
www.google.com/cse/static/images/1x/en/
1 KB
1 KB
Image
General
Full URL
https://www.google.com/cse/static/images/1x/en/branding.png
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::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

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Tue, 28 Sep 2021 09:11:04 GMT
x-content-type-options
nosniff
last-modified
Mon, 25 May 2020 08:30:00 GMT
server
sffe
age
415967
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/prose-team
content-type
image/png
cache-control
public, max-age=31536000
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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
Wed, 28 Sep 2022 09:11:04 GMT
generate_204
clients1.google.com/
0
199 B
Image
General
Full URL
https://clients1.google.com/generate_204
Requested by
Host: introcs.cs.princeton.edu
URL: https://introcs.cs.princeton.edu/java/home/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:812::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Accept-Language
de-DE,de;q=0.9
Referer
https://introcs.cs.princeton.edu/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Sun, 03 Oct 2021 04:43:51 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-T051=":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| onbeforexrselect boolean| originAgentCluster 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| module$exports$cse$search object| module$exports$cse$CustomImageSearch object| module$exports$cse$CustomWebSearch object| google object| module$exports$cse$searchcontrol object| module$exports$cse$customsearchcontrol object| closure_lm_249148 function| _googCsa number| nextSearchboxId number| googleNDT_ number| googleAltLoader

8 Cookies

Domain/Path Name / Value
.princeton.edu/ Name: _ga
Value: GA1.2.1967873089.1633236232
.princeton.edu/ Name: _gid
Value: GA1.2.1466871066.1633236232
.princeton.edu/ Name: _gat
Value: 1
.introcs.cs.princeton.edu/ Name: __utma
Value: 193361013.1967873089.1633236232.1633236232.1633236232.1
.introcs.cs.princeton.edu/ Name: __utmc
Value: 193361013
.introcs.cs.princeton.edu/ Name: __utmz
Value: 193361013.1633236232.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)
.introcs.cs.princeton.edu/ Name: __utmt
Value: 1
.introcs.cs.princeton.edu/ Name: __utmb
Value: 193361013.1.10.1633236232

2 Console Messages

Source Level URL
Text
javascript warning URL: https://introcs.cs.princeton.edu/java/home/(Line 491)
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://introcs.cs.princeton.edu/java/home/(Line 491)
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.

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
introcs.cs.princeton.edu
ssl.google-analytics.com
www.google-analytics.com
www.google.com
128.112.136.61
2606:4700::6810:125e
2a00:1450:4001:809::2008
2a00:1450:4001:812::200e
2a00:1450:4001:82f::2004
2a00:1450:4001:82f::200e
1259ea99bd76596239bfd3102c679eb0a5052578dc526b0452f4d42f8bcdd45f
1555801a0ec7dff70c92a7ef10eaafc846414041dd9e26f86752fb0fac904a1e
329d1a750114920332eadc55c129957d9dbe5a1b25745e2f7e0ed4fad75e04cd
331b2b1241f1f2a53744bdca867c5b76954d9431970e91f490f64c707fc24a16
48344fd55558bbeb600062a175d052979f9ece87c7299788f8ecf16a46c87bf6
48a3d3d93cc465686cbd09659934c9282d8ea21e3adb56956e0bd3f2e0d90b6b
4c1355d27b14881a055e00a4a2afa4608b452c9780ac5c61e1b8f9fd55fa3e1e
5a8845a59c8731c02f498af143d190a568777df54102a519e929b0cd8fabab20
71173eb1cc84ee88adebf5552afaf335a6d6b2759d37b722b56f7d05c9abc1b4
78fa94ff410580362364a3a2f11807522a05f60401e24ef11216857f0141e0fe
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
8df260b35bb9f49c0d937fcbf0ec13fb661b0d281528aec977aee6a8c3f83688
a048e640908046be06e00eab37742b5d5ff80964af58cfd22f7cb2de4dfe375f
bc56dd37195a649fa67c81b09f564ad1fe564b312dcc489765c3eda7bc0556c0
beb10df7d9444d057934a9f89b1a2a0a697c0859d114c98a007d697fa3c6655e
c774007720841107125d937dd8299ccf84a2cd2a9b78f383318c6e8ab7aa1b25
d18e5bc17d7935a45ea7e6756a0b9fa4725fdfbe7fa2cb16ef5933d82dfcdb53
d70b39723833e390a5cb4604e2d37f7dfaa780a248b5c86238d7835bebf46033
da429984e2cffadc863c14f725188746ecb0547484d5967d7bf7398e20d0ccc9
db68ca0654fcc8440e344c509e4b132eabfb607317dbd53195b37f9a2fa81245
dcec22bbcb68119d6c7d6d5e088fb82183a9826d0c9e3403f1386fd837f06a89
df87c8ee61da4b89f45364f86cb1c78d8723f1fe44f7f076205c395919513ede
dfb197a9849bf8e4bccde93d792e75de460d9b44c1d3a48a02a8de68fad4b16a
e1ef371240183d4a6a6d4dd121f17c3a49c65641e384dec8a766a3b6dbc42314
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
ed41d880f6538b29594d15f2b76347580e18cfc099948d2cc0277b3f63b2b363
f2172868bc46d74ad32f2715bc25a8716e07a784b2ecb24d9d077d2125c6c993
fd222137f245c06ddb4c4d44db41f12138dad6cf8ef5d4d4a5e500f38f0c8c62