What powers oknafix.cz?

Last seen Oct 2026 · 14 technologies across 11 categories

Analytics

Facebook Pixel v2.9.419
since Aug 2025
Google Analytics
since Mar 2025

CDN

Amazon S3
since Sep 2026
Unpkg
since Jul 2026

Comment systems

Livefyre v1.9.4
since Jul 2026

Cookie compliance

Cookie Script
since Jul 2026

JavaScript libraries

core-js v3.1.3
since Mar 2025
Tiny Slider
since Jul 2026

Maps

Leaflet v1.9.4
since Jul 2026

Miscellaneous

PWA
since Sep 2026

PaaS

Amazon Web Services
since Sep 2026

Tag managers

Google Tag Manager
since Mar 2025

UI frameworks

Bootstrap
since Jul 2026

Web servers

Apache HTTP Server
since Mar 2025

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.

  • 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

  • 100% phone
  • Czechia

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

Core Web Vitals

LCP1.3 s
CLS0
TTFB600 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Czech
  • Weight: 2.7 MB · 42 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on WEB4U (81.91.91.37, IPv6)
  • DNS: wedos.com
  • Email: wedos.net
  • Email security: no SPF record, no DMARC record, DNSSEC signed
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Verified with: Google

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

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