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speedtest.cesnet.cz Open in urlscan Pro
2001:718:1:1f:50:56ff:feee:42  Public Scan

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URL: http://speedtest.cesnet.cz/
Submission: On December 12 via api from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 6 HTTP transactions. The main IP is 2001:718:1:1f:50:56ff:feee:42, located in Prague, Czech Republic and belongs to CESNET2, CZ. The main domain is speedtest.cesnet.cz.
This is the only time speedtest.cesnet.cz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
4 2001:718:1:1f... 2852 (CESNET2)
2 2606:4700::68... 13335 (CLOUDFLAR...)
6 2
Apex Domain
Subdomains		 Transfer
4 cesnet.cz
speedtest.cesnet.cz
33 KB
2 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 204
81 KB
6 2
Domain Requested by
4 speedtest.cesnet.cz speedtest.cesnet.cz
2 cdnjs.cloudflare.com speedtest.cesnet.cz
6 2

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

Domain
github.com
Subject Issuer Validity Valid
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2023-07-03 -
2024-07-02		 a year crt.sh

This page contains 1 frames:

Primary Page: http://speedtest.cesnet.cz/
Frame ID: 7D86305375AC96877EFC0C09EF1DE7AF
Requests: 6 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

CESNET speedtest

Detected technologies

Overall confidence: 100%
Detected patterns
  • /Chart(?:\.bundle)?(?:\.min)?\.js
  • cdnjs\.cloudflare\.com/ajax/libs/Chart\.js/([\d.]+(?:-[^/]+)?)/Chart.*\.js
Overall confidence: 100%
Detected patterns
  • /([\d.]+)/jquery(?:\.min)?\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

6
Requests

33 %
HTTPS

100 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

114 kB
Transfer

322 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

6 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
speedtest.cesnet.cz/ 		3 KB
1 KB 		Document
General
Check archive.org
Download Go to
Full URL
http://speedtest.cesnet.cz/
Protocol
HTTP/1.1
Server
2001:718:1:1f:50:56ff:feee:42 Prague, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
Software
nginx/1.10.3 /
Resource Hash
630261fb41d74a29ffd70f4c63e042b3da2d1f223095ddba313af49320c92d32

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html; charset=UTF-8
Date
Tue, 12 Dec 2023 21:53:40 GMT
Server
nginx/1.10.3
Transfer-Encoding
chunked
style.css
speedtest.cesnet.cz/ 		3 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://speedtest.cesnet.cz/style.css?v=1.2
Requested by
Host: speedtest.cesnet.cz
URL: http://speedtest.cesnet.cz/
Protocol
HTTP/1.1
Server
2001:718:1:1f:50:56ff:feee:42 Prague, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
Software
nginx/1.10.3 /
Resource Hash
550d03e979187907d5ae3c7fea92ecb3a24ce275080334b03c976e6446ce0fd6

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://speedtest.cesnet.cz/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

Date
Tue, 12 Dec 2023 21:53:40 GMT
Last-Modified
Tue, 29 Jun 2021 09:22:01 GMT
Server
nginx/1.10.3
ETag
"60dae639-b55"
Content-Type
text/css
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
2901
Chart.bundle.min.js
cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.1/ 		203 KB
54 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.1/Chart.bundle.min.js
Requested by
Host: speedtest.cesnet.cz
URL: http://speedtest.cesnet.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:190e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
378bb90634cb370986ba5e9180ba0448f36a0c555489b56e39884fe20260adec
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
http://speedtest.cesnet.cz/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date
Tue, 12 Dec 2023 21:53:40 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
1190149
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
54524
last-modified
Mon, 04 May 2020 16:03:58 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03cee-32d5d"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=hsGHVmEJ%2BgmFKiTviyQBg0IHXjiyzL7rMgYfGbyQNSpUJKSmkRJqNKXQUybslM8U7j60s%2BwQ8DQJSqEd8qndFSHlUriZvezwQc3ETlsc0IZP%2BzbVMStpby3%2BrRfZXzTHcIukwZXnxOypTbUtDFW8pDN%2F"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
834933926ef01901-FRA
expires
Sun, 01 Dec 2024 21:53:40 GMT
jquery.min.js
cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/ 		85 KB
27 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js
Requested by
Host: speedtest.cesnet.cz
URL: http://speedtest.cesnet.cz/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:190e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
160a426ff2894252cd7cebbdd6d6b7da8fcd319c65b70468f10b6690c45d02ef
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
http://speedtest.cesnet.cz/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

date
Tue, 12 Dec 2023 21:53:40 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
361805
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
27433
last-modified
Mon, 04 May 2020 16:11:48 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03ec4-1538f"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=fIrdauVMHjwjxdtzL2EBnKc3GkuqEKb7Xa8z30bFkBUbve7be%2BYKmOanCnooOpL%2Bd7goghkTmECd%2BO6LmyQco3OJeSCAfPADqsprtQHZADXJtDIDZquhNsFI95aUYoboiM2%2FoxmMsuTlK4gbG7xKzRhl"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
834933926eef1901-FRA
expires
Sun, 01 Dec 2024 21:53:40 GMT
speedtest_base.js
speedtest.cesnet.cz/ 		18 KB
18 KB 		Script
General
Check archive.org
Download Go to
Full URL
http://speedtest.cesnet.cz/speedtest_base.js?v=1.4
Requested by
Host: speedtest.cesnet.cz
URL: http://speedtest.cesnet.cz/
Protocol
HTTP/1.1
Server
2001:718:1:1f:50:56ff:feee:42 Prague, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
Software
nginx/1.10.3 /
Resource Hash
7b660770872c0395a703b0582f12fb87c93b913763ea31b7f60395c6d819272a

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://speedtest.cesnet.cz/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

Date
Tue, 12 Dec 2023 21:53:40 GMT
Last-Modified
Thu, 13 Jan 2022 11:17:14 GMT
Server
nginx/1.10.3
ETag
"61e00a3a-480a"
Content-Type
application/javascript
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
18442
logo6.svg
speedtest.cesnet.cz/ 		10 KB
10 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://speedtest.cesnet.cz/logo6.svg
Requested by
Host: speedtest.cesnet.cz
URL: http://speedtest.cesnet.cz/
Protocol
HTTP/1.1
Server
2001:718:1:1f:50:56ff:feee:42 Prague, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
Software
nginx/1.10.3 /
Resource Hash
afd3927478b3d0f5443254797809735d9221382e83ca5bd3ed922386a374579d

Request headers

accept-language
de-DE,de;q=0.9
Referer
http://speedtest.cesnet.cz/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.71 Safari/537.36

Response headers

Date
Tue, 12 Dec 2023 21:53:40 GMT
Last-Modified
Tue, 29 Jun 2021 09:22:00 GMT
Server
nginx/1.10.3
ETag
"60dae638-2735"
Content-Type
image/svg+xml
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
10037

Verdicts & Comments Add Verdict or Comment

40 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.

function| Color function| Chart function| $ function| jQuery function| I string| userLang object| trans function| tr function| trw string| meterBk string| dlColor string| ulColor string| pingColor string| jitColor string| progColor object| w boolean| sampling object| data object| timers object| parameters object| chart1 object| chart2 undefined| last_chart_pos number| max_upload number| min_upload number| max_download number| min_download number| total_upload number| total_download number| ping_sum number| ping_cnt function| drawMeter function| mbpsToAmount function| msToAmount function| oscillate function| initUI function| updateUI function| updateStats function| startStop function| resetUI

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