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hydro.ac Open in urlscan Pro
47.242.59.200  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://o69iay0p.test.hydrooj.com/
Effective URL: https://hydro.ac/
Submission: On October 30 via api from US — Scanned from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 4 countries across 2 domains to perform 17 HTTP transactions. The main IP is 47.242.59.200, located in Hong Kong, Hong Kong and belongs to ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN. The main domain is hydro.ac.
TLS certificate: Issued by E5 on September 13th 2024. Valid for: 3 months.
This is the only time hydro.ac was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 1.15.225.151 45090 (TENCENT-N...)
5 47.242.59.200 45102 (ALIBABA-C...)
10 2606:4700:303... 13335 (CLOUDFLAR...)
2 193.32.148.182 3258 (XTOM-JAPA...)
17 3
Apex Domain
Subdomains		 Transfer
17 hydro.ac
hydro.ac
cdn.hydro.ac
analytics.hydro.ac
1 MB
1 hydrooj.com
o69iay0p.test.hydrooj.com
184 B
17 2
Domain Requested by
10 cdn.hydro.ac hydro.ac
cdn.hydro.ac
5 hydro.ac hydro.ac
cdn.hydro.ac
2 analytics.hydro.ac hydro.ac
analytics.hydro.ac
1 o69iay0p.test.hydrooj.com 1 redirects
17 4
Subject Issuer Validity Valid
hydro.ac
E5		 2024-09-13 -
2024-12-12		 3 months crt.sh
analytics.hydro.ac
E6		 2024-10-10 -
2025-01-08		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://hydro.ac/
Frame ID: A5613077092782004C5351210C97965F
Requests: 17 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Home - HydroOJ

Page URL History Show full URLs

  1. https://o69iay0p.test.hydrooj.com/ HTTP 302
    https://hydro.ac/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <div [^>]*class="[^"]*(?:small|medium|large)-\d{1,2} columns

Page Statistics

17
Requests

100 %
HTTPS

25 %
IPv6

2
Domains

4
Subdomains

3
IPs

4
Countries

1174 kB
Transfer

3760 kB
Size

4
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://o69iay0p.test.hydrooj.com/ HTTP 302
    https://hydro.ac/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

17 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
hydro.ac/
Redirect Chain
  • https://o69iay0p.test.hydrooj.com/
  • https://hydro.ac/
77 KB
13 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://hydro.ac/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
47.242.59.200 Hong Kong, Hong Kong, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software
Caddy Caddy /
Resource Hash
5a4e5c8de3b5259e0fe465d2b299b9646c7d26a976dd12ebe628d3bcd7daa916

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

content-encoding
br
content-type
text/html; charset=utf-8
date
Wed, 30 Oct 2024 09:35:35 GMT
server
Caddy Caddy
vary
Accept-Encoding
x-asn
AS701

Redirect headers

content-length
65
content-type
text/html; charset=utf-8
date
Wed, 30 Oct 2024 09:35:31 GMT
location
https://hydro.ac/
server
Caddy Caddy
vary
Accept-Encoding
x-asn
AS701
theme-4.55.2.css
cdn.hydro.ac/ 		703 KB
112 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/theme-4.55.2.css
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ef4e294bb52e8965603fa819bf147aec5e1cd62b357f755def793efdd6026942

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d57zpk7chno0ff53-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ZzRUI1lh2qlXCtVfaIic2toZGCfIHe8vguH5les3DmxgblhPTQXEKdMO8%2BuR9GrJs8xKwifxL7t7SB7bOnM9cmHxyOV2U0fd9DOa8Mqu4wl2%2Frb2hPHqXdxsk8KhWumX4coPBpIVzNNdY1o%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8daa6a882c018cab-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=28343&sent=13&recv=12&lost=0&retrans=0&sent_bytes=4223&recv_bytes=4913&delivery_rate=565&cwnd=12000&unsent_bytes=0&cid=e5163c93767144eb&ts=687&x=1", cfHdrFlush;dur=0
date
Wed, 30 Oct 2024 09:35:36 GMT
content-type
text/css; charset=utf-8
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
vary
Accept-Encoding
server
cloudflare
636b856b.js
hydro.ac/constant/ 		340 KB
117 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://hydro.ac/constant/636b856b.js
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
47.242.59.200 Hong Kong, Hong Kong, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software
Caddy, Caddy /
Resource Hash
1ae203879237ad0eeccf79665c7255767a97f3f05b910a9300ca9bae88a4097f

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

x-asn
AS701
cache-control
public, max-age=86400
content-encoding
br
etag
636b856b
date
Wed, 30 Oct 2024 09:35:35 GMT
content-type
application/javascript; charset=utf-8
vary
Accept-Encoding
server
Caddy, Caddy
lang-en.js
cdn.hydro.ac/resource/4.55.2/ 		7 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/resource/4.55.2/lang-en.js
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b641c6078d699c737486ec2db6776f4c2bcf49014f33a475d8b06d23670ebcb9

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

x-asn
AS13335
cache-control
public, max-age=86400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
br
cf-cache-status
EXPIRED
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=VaigQjeAgzDipMVRvG9dIT62ZGiqZxn0TYrDEInX8ud9j0%2B99g44Iw%2F77%2FWi0788AwRjrHQ3r19bsS8sIdZvd0ZBMUEBWsnM6xRiGhnUbmY4pciU%2F2%2Bfykmf51AY%2BwLcDlMzTuguzdYpoFc%3D"}],"group":"cf-nel","max_age":604800}
access-control-allow-methods
GET, HEAD
cf-ray
8daa6a882c008cab-EWR
access-control-allow-origin
hydro.ac
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=29172&sent=582&recv=112&lost=36&retrans=36&sent_bytes=673390&recv_bytes=9507&delivery_rate=2929457&cwnd=204540&unsent_bytes=0&cid=e5163c93767144eb&ts=899&x=1", cfHdrFlush;dur=0
date
Wed, 30 Oct 2024 09:35:36 GMT
content-type
application/javascript; charset=utf-8
vary
Accept-Encoding
server
cloudflare
hydro-4.55.2.js
cdn.hydro.ac/ 		1 MB
486 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/hydro-4.55.2.js
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ec8f0ca728be2c59bd7fe21299f7ef1a6a53513a8ccb1fdeb18d6c53246736b7

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d57zpk79ihkqwhoj-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=5ipBkuVxq3EAxiOAQ9vhPt1gwEPJrqIXS%2FcRrze%2F8iqkwzSPwrfbMlJVqFXRC7evtDYCgoQox3hIwlzzPsL6RkuTplxuiqiRAtAPh0uMZwi4boeHYf9HvYLzZT98aZRmgxYW%2Bnsf0JHLYRQ%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8daa6a882bfe8cab-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=28343&sent=23&recv=12&lost=0&retrans=0&sent_bytes=16223&recv_bytes=4913&delivery_rate=565&cwnd=12000&unsent_bytes=0&cid=e5163c93767144eb&ts=713&x=1", cfHdrFlush;dur=0
date
Wed, 30 Oct 2024 09:35:36 GMT
content-type
text/javascript; charset=utf-8
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
vary
Accept-Encoding
server
cloudflare
nav-logo-small_dark.png
hydro.ac/components/navigation/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://hydro.ac/components/navigation/nav-logo-small_dark.png
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
47.242.59.200 Hong Kong, Hong Kong, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software
Caddy /
Resource Hash
c05f3d3654643ef7d864a0a71b67e19a9f5af9a77a248349c218856a78007ad2

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

etag
"d57zpk7uy3tw1za"
accept-ranges
bytes
content-length
2566
date
Wed, 30 Oct 2024 09:35:35 GMT
content-type
image/png
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
server
Caddy
vary
Accept-Encoding
nav-logo-small_dark.png
hydro.ac/components/navigation/ 		3 KB
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://hydro.ac/components/navigation/nav-logo-small_dark.png
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
47.242.59.200 Hong Kong, Hong Kong, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software
Caddy /
Resource Hash
c05f3d3654643ef7d864a0a71b67e19a9f5af9a77a248349c218856a78007ad2

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

etag
"d57zpk7uy3tw1za"
accept-ranges
bytes
content-length
2566
date
Wed, 30 Oct 2024 09:35:35 GMT
content-type
image/png
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
server
Caddy
vary
Accept-Encoding
m.js
analytics.hydro.ac/ 		66 KB
23 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://analytics.hydro.ac/m.js
Requested by
Host: hydro.ac
URL: https://hydro.ac/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
193.32.148.182 Tokyo, Japan, ASN3258 (XTOM-JAPAN xTom Japan, JP),
Reverse DNS
you.are.stupid
Software
Caddy, Caddy, nginx /
Resource Hash
f2e8975ed834c578c50d3923ceb26de04d4fa44f74380f45f147585d909a874d

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=2592000
content-encoding
zstd
etag
"0dzvxi168qrgr8zmxrfbwa6d8aw4mfy8-10784-zstd"
expires
Fri, 29 Nov 2024 09:35:37 GMT
date
Wed, 30 Oct 2024 09:35:37 GMT
content-type
text/javascript
vary
Accept-Encoding
server
Caddy, Caddy, nginx
hydro-icons.woff2
cdn.hydro.ac/ 		10 KB
11 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/hydro-icons.woff2?f30ad3
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/theme-4.55.2.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ebc4db833b061404652ec538a08c7c6d2917d25102898a90805712d4f24be6f5

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://hydro.ac
Referer
https://cdn.hydro.ac/theme-4.55.2.css

Response headers

content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d57zpk78bmc8814-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=BHPv%2Fu85gysZkNJo4vVuFJBjxsz%2B4gLgUdKe56sSehTBTTsoEmlfkYZABXdkkLz8Sb2gHuZBlfmNNK7lKA28yeWL3ySuPkJNSDwp94FwIwdOcSAD4qh5gRa1vaBrQoEqyQZBZrkbPgyohnI%3D"}],"group":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=26414&sent=21&recv=12&lost=0&retrans=0&sent_bytes=14678&recv_bytes=4913&delivery_rate=544&cwnd=12000&unsent_bytes=0&cid=aad52adf8b4253fc&ts=705&x=1", cfHdrFlush;dur=9
date
Wed, 30 Oct 2024 09:35:37 GMT
content-type
font/woff2
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
vary
Origin, Accept-Encoding
access-control-allow-headers
content-type, x-requested-with
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8daa6a90884c42bc-EWR
access-control-allow-origin
https://hydro.ac
server
cloudflare
KaTeX_Math-Italic.woff2
cdn.hydro.ac/modules/katex/ 		16 KB
17 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/modules/katex/KaTeX_Math-Italic.woff2?db4883
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/theme-4.55.2.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7af58c5ec8f132a2ddde9027c6d7814decce4d3b822a11192a42a20e2e973264

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://hydro.ac
Referer
https://cdn.hydro.ac/theme-4.55.2.css

Response headers

content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d57zpk83vm3pcoo-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=nNbwhru6cwN65Qd7rPNRO86fNAc0yZE9EV0tcCXbGPmesgJAaOQuSncrx3Wx2aDL2ZuD0Ars%2Fg%2FLjxzHbBqxe6aHK8u3klTW4HP6Jv9F%2Bc6quXNSuetdfC08EItevaQzwuiy2Omp5CHE2kQ%3D"}],"group":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=26414&sent=11&recv=12&lost=0&retrans=0&sent_bytes=2678&recv_bytes=4913&delivery_rate=544&cwnd=12000&unsent_bytes=0&cid=aad52adf8b4253fc&ts=687&x=1", cfHdrFlush;dur=0
date
Wed, 30 Oct 2024 09:35:37 GMT
content-type
font/woff2
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
vary
Origin, Accept-Encoding
access-control-allow-headers
content-type, x-requested-with
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8daa6a90884d42bc-EWR
access-control-allow-origin
https://hydro.ac
server
cloudflare
KaTeX_Main-Regular.woff2
cdn.hydro.ac/modules/katex/ 		26 KB
26 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/modules/katex/KaTeX_Main-Regular.woff2?c88408
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/theme-4.55.2.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c2342cd8b869e01752a9321dc17213fc40d4d04c79688c1d43f2cf316abd7866

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://hydro.ac
Referer
https://cdn.hydro.ac/theme-4.55.2.css

Response headers

content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d57zpk83vm3pk9s-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Zlc4ac01mhH2zl3VjvlHYz3CHsrDVfS260qeYuMYesrc2A997vP5DpecJah1NX5Eh2KtxdRI82uW0URDNnou5bRTqvgQ9pGGeABssJwY8w03QLXxZTRBVLkitrFrXOyhZ9u8XInENrwdTaY%3D"}],"group":"cf-nel","max_age":604800}
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=26414&sent=21&recv=12&lost=0&retrans=0&sent_bytes=14678&recv_bytes=4913&delivery_rate=544&cwnd=12000&unsent_bytes=0&cid=aad52adf8b4253fc&ts=696&x=1", cfHdrFlush;dur=18
date
Wed, 30 Oct 2024 09:35:37 GMT
content-type
font/woff2
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
vary
Origin, Accept-Encoding
access-control-allow-headers
content-type, x-requested-with
cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-ray
8daa6a90884e42bc-EWR
access-control-allow-origin
https://hydro.ac
server
cloudflare
n.prismjs.8e0fd1.chunk.js
cdn.hydro.ac/ 		619 KB
234 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/n.prismjs.8e0fd1.chunk.js
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/hydro-4.55.2.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2b26a6bf520e3fde00f1d2ce491e0245e6a4efd9c1cd224d335338eb2e743a65

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d57zpk7bw81rdl7l-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=Y%2F3241%2BHH8e8BtY50kxCtVM4ldnq6hBGY45mE3bhNSlLg3nl8iJHINJC%2FSEHRWzg%2ByJVshakoiisOJN0chhbU44bxQklLXM73rp%2F9vMS7vIGPaAYMUTzOvjeVcbYfSn1nXCu6NumwmY%2FSP8%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8daa6a910f538cab-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=28487&sent=588&recv=117&lost=36&retrans=36&sent_bytes=676761&recv_bytes=10464&delivery_rate=292469&cwnd=204540&unsent_bytes=0&cid=e5163c93767144eb&ts=2129&x=1", cfHdrFlush;dur=0
date
Wed, 30 Oct 2024 09:35:37 GMT
content-type
text/javascript; charset=utf-8
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
vary
Accept-Encoding
server
cloudflare
n.graphql-language-service.dfa8e8.chunk.js
cdn.hydro.ac/ 		126 KB
42 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/n.graphql-language-service.dfa8e8.chunk.js
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/hydro-4.55.2.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
097afa7a66f2092e1de038d7135ca3ad6856ba07ef8b2c12353725fd6e21c6d1

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d57zpk7apct92r69-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=6qqwK07xAWF4iUYNXUeXIhJfSVq89tEOhk2eiPvFGhNdOzaQ%2BIVyGN5s4DQCk149E7fqGy1ZQZeBDg5RiTIyqRQcLye%2F7Dn%2B%2B8gt%2FpEg29abJYC%2Fu0URY9gddy8%2BEIMqoN0rsCTvBqfKooE%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8daa6a911f548cab-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=33053&sent=883&recv=135&lost=79&retrans=79&sent_bytes=1024779&recv_bytes=11310&delivery_rate=218435&cwnd=144018&unsent_bytes=0&cid=e5163c93767144eb&ts=2180&x=1", cfHdrFlush;dur=0
date
Wed, 30 Oct 2024 09:35:37 GMT
content-type
text/javascript; charset=utf-8
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
vary
Accept-Encoding
server
cloudflare
n.katex.119231.chunk.js
cdn.hydro.ac/ 		267 KB
80 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/n.katex.119231.chunk.js
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/hydro-4.55.2.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
97d90e8497035f008788a0b2ef0722aaf93edf34afc5a4ef38fc8b2e729f1197

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
"d57zpk7basfi5v01-gzip"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=x%2BBKRu21tqaJUkyk2ThA7c3heFATr5YSGfPpdJaUmFPPnp%2FXvGnaRDHtq8To6dKsamf91ZrJh6fAa71nZWnJG1jbEwicfNlQIlz15%2FRyY%2F3rv9x%2BaTV8vvoA4ayTl3eInQcChPqhIH10Kj0%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8daa6a911f558cab-EWR
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=28487&sent=759&recv=117&lost=36&retrans=36&sent_bytes=881301&recv_bytes=10464&delivery_rate=292469&cwnd=204540&unsent_bytes=0&cid=e5163c93767144eb&ts=2137&x=1", cfHdrFlush;dur=17
date
Wed, 30 Oct 2024 09:35:37 GMT
content-type
text/javascript; charset=utf-8
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
vary
Accept-Encoding
server
cloudflare
service-worker-config
hydro.ac/ 		18 KB
5 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://hydro.ac/service-worker-config
Requested by
Host: cdn.hydro.ac
URL: https://cdn.hydro.ac/hydro-4.55.2.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
47.242.59.200 Hong Kong, Hong Kong, ASN45102 (ALIBABA-CN-NET Alibaba US Technology Co., Ltd., CN),
Reverse DNS
Software
Caddy, Caddy /
Resource Hash
6ae61e056abddd4d6e918d25f98a6bef97aa86150bbd36efa17ec93472ad695e

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Content-Type
application/json
Referer
https://hydro.ac/

Response headers

x-asn
AS701
content-encoding
br
date
Wed, 30 Oct 2024 09:35:37 GMT
content-type
text/html; charset=utf-8
vary
Accept-Encoding
server
Caddy, Caddy
mt
analytics.hydro.ac/ 		0
119 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://analytics.hydro.ac/mt?action_name=Home%20-%20HydroOJ&idsite=1&rec=1&r=896008&h=23&m=35&s=38&url=https%3A%2F%2Fhydro.ac%2F&_id=7a4971956fb9068b&_idn=1&send_image=0&_refts=0&pv_id=cBMOkP&pf_net=583&pf_srv=3068&pf_tfr=215&pf_dm1=1369&uadata=%7B%22fullVersionList%22%3A%5B%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22%22%2C%22platformVersion%22%3A%22%22%7D&pdf=1&qt=0&realp=0&wma=0&fla=0&java=0&ag=0&cookie=1&res=1600x1200
Requested by
Host: analytics.hydro.ac
URL: https://analytics.hydro.ac/m.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
193.32.148.182 Tokyo, Japan, ASN3258 (XTOM-JAPAN xTom Japan, JP),
Reverse DNS
you.are.stupid
Software
Caddy, Caddy, nginx / PHP/8.2.24
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Content-Type
application/x-www-form-urlencoded; charset=utf-8
Referer
https://hydro.ac/

Response headers

access-control-allow-origin
https://hydro.ac
date
Wed, 30 Oct 2024 09:35:38 GMT
content-type
text/html; charset=UTF-8
x-powered-by
PHP/8.2.24
server
Caddy, Caddy, nginx
access-control-allow-credentials
true
favicon-32x32.png
cdn.hydro.ac/ 		1 KB
2 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://cdn.hydro.ac/favicon-32x32.png
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3034::6815:312f , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7af842b7016df039714a1de50c690ee9308ea0f470c21919c767dbb86d180f36

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://hydro.ac/

Response headers

cache-control
max-age=14400
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
cf-cache-status
REVALIDATED
etag
"d57zpk77q6pzve"
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=BPSqJBriTfRMnYCeq7YLrKN%2F1k1Er%2FJAgTaJYop5uS%2Fq2BBvnvYEpMhyWTtqNqfZN1T73rFXewRieMZaxzcxDuKL7Z%2BP2COpNlbTgftLdFhBxQoRDWxQ9rwem4O60zGddx3ha%2BP%2Fy1VxNRY%3D"}],"group":"cf-nel","max_age":604800}
cf-ray
8daa6a987a488cab-EWR
accept-ranges
bytes
alt-svc
h3=":443"; ma=86400
server-timing
cfL4;desc="?proto=QUIC&rtt=28861&sent=953&recv=160&lost=80&retrans=80&sent_bytes=1101960&recv_bytes=13031&delivery_rate=3919100&cwnd=144018&unsent_bytes=0&cid=e5163c93767144eb&ts=3323&x=1", cfHdrFlush;dur=0
content-length
1130
date
Wed, 30 Oct 2024 09:35:38 GMT
content-type
image/png
last-modified
Tue, 29 Oct 2024 04:03:23 GMT
vary
Accept-Encoding
server
cloudflare

Verdicts & Comments Add Verdict or Comment

39 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| _htmlNode object| UiContext object| UserContext function| _hydroLoad object| LOCALES object| _sentryDebugIds string| _sentryDebugIdIdentifier object| SENTRY_RELEASE object| webpackChunk_hydrooj_ui_default function| clearImmediate function| setImmediate function| $bu_getBrowser object| _buorgres object| Hydro object| externalModules object| lazyModuleResolver object| _paq string| UiContextNew string| UserContextNew function| ZIP function| _ object| node_modules function| $ function| jQuery object| HydroExports function| _evercookie_flash_var function| Evc object| e function| checkExt object| fpPromise object| lazyloadMetadata object| LANGS function| flatpickr function| showSignInDialog object| Prism object| Piwik object| Matomo object| AnalyticsTracker function| piwik_log

4 Cookies

Domain/Path Name / Value
.hydro.ac/ Name: test
Value: 8173397843461025
.hydro.ac/ Name: v
Value: 3c1ea7500f6e2594759e4ba1cd3440c0
hydro.ac/ Name: _pk_id.1.b38a
Value: 7a4971956fb9068b.1730280938.
hydro.ac/ Name: _pk_ses.1.b38a
Value: 1

3 Console Messages

Source Level URL
Text
recommendation verbose URL: https://hydro.ac/
Message:
[DOM] Input elements should have autocomplete attributes (suggested: "current-password"): (More info: https://goo.gl/9p2vKq) %o
rendering warning URL: https://hydro.ac/
Message:
[GroupMarkerNotSet(crbug.com/242999)!:A0108C1084330000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader flag to opt in to lower security guarantees for trusted content.
network error URL: https://hydro.ac/service-worker-config
Message:
Failed to load resource: the server responded with a status of 405 ()