What powers lekva.cz?

Last seen Oct 2026 · 18 technologies across 12 categories

Analytics

Google Analytics
since Apr 2019

Comment systems

Livefyre v1.9.4
since Nov 2024

JavaScript libraries

core-js v3.50.0
since Aug 2024
FancyBox v3.5.7
since Nov 2023
jQuery v3.7.1
since Apr 2019
Keen-Slider
since Nov 2023

Maps

Leaflet v1.9.4
since Nov 2024

Miscellaneous

Open Graph
since Nov 2023
Popper
since Nov 2023
PWA
since Aug 2022

Payment processors

PayPal
since Jul 2026

Programming languages

PHP
since Nov 2023

Security

HSTS
since Nov 2023
reCAPTCHA
since Nov 2023

Tag managers

Google Tag Manager
since Apr 2019

UI frameworks

Bootstrap v4.6.2
since Nov 2023

Web frameworks

Nette Framework v3.5.0
since Nov 2023

Web servers

Apache HTTP Server
since Apr 2019

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 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

  • 89% phone
  • 11% desktop
  • Czechia

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

Open Page Rank

1.55 / 10 · ranked #6,061,214 of all domains

3 referring domains · OpenPageRank

Core Web Vitals

LCP1.5 s
INP175 ms
CLS0.1
TTFB800 ms

Real user p75, Chrome UX Report, Oct 2026.

Page

  • Language: Czech
  • Weight: 3.8 MB · 114 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on SATT-AS (31.31.227.84, IPv6)
  • DNS: websupport.cz
  • Email: xart.cz
  • Email security: SPF (soft fail), no DMARC record, DNSSEC signed
  • SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
  • Common Crawl link graph: rank 17,173,390, 2 hosts

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

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