What powers srovnejdrevo.cz?

Last seen Aug 2026 · 22 technologies across 9 categories

A/B Testing

Google Optimize
since Sep 2022

Advertising

Microsoft Advertising
since Mar 2025

Analytics

Facebook Pixel v2.9.373
since May 2024
Google Analytics
since Jan 2021
Hotjar
since Nov 2022
Microsoft Clarity
since Dec 2023
PostHog
since Mar 2024
Smartlook
since Jul 2022

Cart abandonment

CartStack
since Feb 2021

CDN

Cloudflare
since Feb 2026
Unpkg
since Oct 2022

JavaScript frameworks

Gatsby v5.8.1
since Jan 2021
JSS
since Feb 2022
React
since Jan 2021
styled-components v5.3.11
since Jul 2021

JavaScript libraries

core-js v3.32.2
since Sep 2021

Miscellaneous

HTTP/3
since Feb 2026
Open Graph
since Sep 2022
PWA
since Aug 2022
Webpack
since Jan 2021

Tag managers

Google Tag Manager
since Jan 2021

AI Crawlers

Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.

Training crawlers

  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • Google-Extended Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked

Search and AI assistants

  • Amazonbot Blocked

The other 25 AI crawlers we track are not mentioned and stay allowed by default.

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

Content Signals: search=yes ai-train=no declared in robots.txt

See who blocks each AI crawler across the web

AI Crawlers

8 of 33 AI crawlers blocked

Standards: Content Signals

Full breakdown

Audience

  • 77% phone
  • 23% desktop
  • Czechia

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

Open Page Rank

1.78 / 10 · ranked #4,459,824 of all domains

5 referring domains · OpenPageRank

Core Web Vitals

LCP1.8 s
INP450 ms
CLS0.05
TTFB400 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Czech
  • CDN: Cloudflare
  • Weight: 2.6 MB · 81 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

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