What powers antivirovecentrum.cz?

Last seen Sep 2026 · 8 technologies across 7 categories

Analytics

Google Analytics
since Aug 2018

Authentication

Facebook Login
since Jul 2021

JavaScript libraries

jQuery v1.7.1
since Aug 2018
jQuery UI v1.8.19
since Aug 2018

Miscellaneous

Open Graph
since Sep 2022

Security

HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Aug 2018

Web frameworks

Microsoft ASP.NET
since Aug 2018

AI Crawlers

Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.

Training crawlers

  • ClaudeBot Allowed
  • Google-Extended Allowed

Search and AI assistants

  • OAI-SearchBot Allowed
  • PerplexityBot Allowed

The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 43% tablet
  • 37% phone
  • 19% desktop
  • Czechia
  • Slovakia

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

Open Page Rank

3.27 / 10 · ranked #1,169,898 of all domains

27 referring domains · OpenPageRank

Search traffic

0 est. monthly organic visits (US)

3 keywords in Google's top 30

Core Web Vitals

LCP1.7 s
INP100 ms
CLS0.2
TTFB1100 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Czech
  • Weight: 0.9 MB · 91 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on TPS-AS Telco Pro Services, a.s. (89.111.113.232)
  • DNS: forpsi.cz
  • Email: virusfree.cz
  • Email security: SPF (hard fail), no DMARC record, DNSSEC signed
  • Common Crawl link graph: rank 1,380,094, 2 hosts

DNS records as swept Sep 2026. How the web is hosted

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