Submitted URL: http://speedtest.cesnet.cz/
Effective URL: https://speedtest.cesnet.cz/
Submission: On June 02 via api from US — Scanned from DE

Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 7 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. The Cisco Umbrella rank of the primary domain is 904251.
TLS certificate: Issued by GEANT OV RSA CA 4 on February 11th 2024. Valid for: a year.
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
5 2001:718:1:1f... 2852 (CESNET2)
2 104.17.25.14 13335 (CLOUDFLAR...)
7 2
Apex Domain
Subdomains
Transfer
5 cesnet.cz
speedtest.cesnet.cz — Cisco Umbrella Rank: 904251
49 KB
2 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 237
81 KB
7 2
Domain Requested by
5 speedtest.cesnet.cz speedtest.cesnet.cz
2 cdnjs.cloudflare.com speedtest.cesnet.cz
7 2

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

Domain
github.com
Subject Issuer Validity Valid
speedtest.cesnet.cz
GEANT OV RSA CA 4
2024-02-11 -
2025-02-10
a year crt.sh
cdnjs.cloudflare.com
E1
2024-06-02 -
2024-08-31
3 months crt.sh

This page contains 1 frames:

Primary Page: https://speedtest.cesnet.cz/
Frame ID: 316B6D0AE0010F03FA73050F945DFB66
Requests: 7 HTTP requests in this frame

Screenshot

Page Title

CESNET speedtest

Page URL History Show full URLs

  1. http://speedtest.cesnet.cz/ HTTP 307
    https://speedtest.cesnet.cz/ Page URL

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

7
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

2
Subdomains

2
IPs

2
Countries

131 kB
Transfer

339 kB
Size

0
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. http://speedtest.cesnet.cz/ HTTP 307
    https://speedtest.cesnet.cz/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
speedtest.cesnet.cz/
Redirect Chain
  • http://speedtest.cesnet.cz/
  • https://speedtest.cesnet.cz/
3 KB
1 KB
Document
General
Full URL
https://speedtest.cesnet.cz/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
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

Accept-Language
de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Response headers

Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html; charset=UTF-8
Date
Sun, 02 Jun 2024 14:42:59 GMT
Server
nginx/1.10.3
Transfer-Encoding
chunked

Redirect headers

Location
https://speedtest.cesnet.cz/
Non-Authoritative-Reason
HttpsUpgrades
style.css
speedtest.cesnet.cz/
3 KB
3 KB
Stylesheet
General
Full URL
https://speedtest.cesnet.cz/style.css?v=1.2
Requested by
Host: speedtest.cesnet.cz
URL: https://speedtest.cesnet.cz/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
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

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://speedtest.cesnet.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Sun, 02 Jun 2024 14:42:59 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
Full URL
https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.1/Chart.bundle.min.js
Requested by
Host: speedtest.cesnet.cz
URL: https://speedtest.cesnet.cz/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.25.14 -, , 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

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://speedtest.cesnet.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 02 Jun 2024 14:43:00 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
754973
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\/v4?s=3e170i78P5liWmBMcK0LVJNyCqeERmJYdx1uKZ2sw%2FQNIz1PG6frGQJkTgxnERcrOrQ%2FgbdQWvHT0x0W0PkMu3w3VZXRw6pbJBPUd8a2gCVzxgmz90%2F537ogMIYXq07s%2BzhOrqya"}],"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
88d83695087835f7-FRA
expires
Fri, 23 May 2025 14:43:00 GMT
jquery.min.js
cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/
85 KB
27 KB
Script
General
Full URL
https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js
Requested by
Host: speedtest.cesnet.cz
URL: https://speedtest.cesnet.cz/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.17.25.14 -, , 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

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://speedtest.cesnet.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

date
Sun, 02 Jun 2024 14:43:00 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
754835
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\/v4?s=1m396QC2kCAvYDobfgtzR7FMrnLLyo65GP0fxBAgioclOO8e%2BmSNwG2%2FKAde2WUdmYu0DxrByfBewrbPHUYppZwblfeZ2mnN4s8DFE0craQ6%2FS5bvT8NKfgUByPNxP1Zb1KUE40o"}],"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
88d83695087535f7-FRA
expires
Fri, 23 May 2025 14:43:00 GMT
speedtest_base.js
speedtest.cesnet.cz/
18 KB
18 KB
Script
General
Full URL
https://speedtest.cesnet.cz/speedtest_base.js?v=1.4
Requested by
Host: speedtest.cesnet.cz
URL: https://speedtest.cesnet.cz/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
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

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://speedtest.cesnet.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Sun, 02 Jun 2024 14:43:00 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
Full URL
https://speedtest.cesnet.cz/logo6.svg
Requested by
Host: speedtest.cesnet.cz
URL: https://speedtest.cesnet.cz/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
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

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://speedtest.cesnet.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Sun, 02 Jun 2024 14:43:00 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
favicon.ico
speedtest.cesnet.cz/
17 KB
17 KB
Other
General
Full URL
https://speedtest.cesnet.cz/favicon.ico
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2001:718:1:1f:50:56ff:feee:42 Prague, Czech Republic, ASN2852 (CESNET2, CZ),
Reverse DNS
Software
nginx/1.10.3 /
Resource Hash
4a0d7a5a4aa43eeb967dff70c899de820cb725c74841a5b5eea37cea78ca1d42

Request headers

sec-ch-ua
"Google Chrome";v="125", "Not:A-Brand";v="8", "Chromium";v="125"
Referer
https://speedtest.cesnet.cz/
Accept-Language
de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile
?0
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36
sec-ch-ua-platform
"Win32"

Response headers

Date
Sun, 02 Jun 2024 14:43:00 GMT
Last-Modified
Tue, 29 Jun 2021 10:12:47 GMT
Server
nginx/1.10.3
ETag
"60daf21f-423e"
Content-Type
image/x-icon
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
16958

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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