What powers bvk.cz?

Last seen Oct 2026 · 23 technologies across 15 categories

CDN

jsDelivr
since May 2023

CMS

TYPO3 CMS
since Aug 2020

JavaScript libraries

AOS
since Oct 2026
jQuery
since Aug 2020
Lightbox
since Jan 2019
Modernizr
since Aug 2020
Swiper
since Sep 2022

Live chat

Smartsupp
since Oct 2026

Miscellaneous

Open Graph
since Sep 2022
Popper
since Apr 2022
PWA
since Aug 2022

Operating systems

Windows Server
since Jun 2020

Photo galleries

PhotoSwipe
since Sep 2022

Programming languages

PHP
since Aug 2020

Security

HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Jan 2019

UI frameworks

Bootstrap
since Aug 2020

Web frameworks

Microsoft ASP.NET v4.0.30319
since Jun 2020

Web server extensions

OpenSSL v1.1.1n
since Aug 2022

Web servers

Apache HTTP Server
since Aug 2022
IIS v10.0
since Jun 2020
Nginx
since Aug 2020

Webmail

Apple iCloud Mail
since Nov 2024

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Oct 2026 * added to robots.txt
  • Oct 2026 robots.txt appeared
  • Oct 2026 * removed from robots.txt
  • Sep 2026 robots.txt removed
  • Sep 2026 * added to robots.txt
  • Sep 2026 robots.txt appeared

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 69% phone
  • 31% desktop
  • Czechia

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

3.98 / 10 · ranked #584,636 of all domains

47 referring domains · OpenPageRank

Search traffic

0 est. monthly organic visits (US)

2 keywords in Google's top 30

Core Web Vitals

LCP0.9 s
INP75 ms
CLS0
TTFB300 ms

Real user p75, Chrome UX Report, Oct 2026.

Page

  • Language: Czech (Czechia)
  • Weight: 3.4 MB · 55 requests
  • Structured data: Microdata, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • Brněnské vodárny a kanalizace
  • Founded: 1872
  • Country: Czech Republic

From Wikidata (CC0).

Infrastructure

  • Registered Mar 1997 (29 years) via ACTIVE 24, s.r.o., renews Oct 2029
  • Hosted on VSHOSTING VSHosting s.r.o. (93.185.98.26)
  • DNS: websupport.cz
  • Email: bvk.cz
  • Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
  • SSL: Let's Encrypt, RSA 2048, expires Jan 2027
  • Common Crawl link graph: rank 7,900,388, 7 hosts
  • Verified with: Apple Business, Microsoft 365

DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted

Subdomains

HostTechs
www.bvk.cz 14
vh50.bvk.cz 13
mapy.bvk.cz 12
zis.bvk.cz 7
posli.bvk.cz 6

Full technology history →
Report an incorrect detection

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018