What powers prum.cz?

Last seen Oct 2026 · 15 technologies across 10 categories

Analytics

Google Analytics
since Jan 2019

CDN

Cloudflare
since Oct 2025
Google Hosted Libraries
since Oct 2025
jsDelivr
since Apr 2024

Cookie compliance

Cookie Script
since Mar 2024

Font scripts

Google Font API
since Jan 2019

JavaScript frameworks

GSAP v3.15.0
since Oct 2025

JavaScript libraries

core-js v3.50.0
since Sep 2021
jQuery v3.5.1
since Jan 2019

Miscellaneous

HTTP/3
since Oct 2025
Open Graph
since Sep 2022
Webpack
since Feb 2020

Page builders

Webflow
since Oct 2025

Security

HSTS
since Feb 2023

Tag managers

Google Tag Manager
since Jan 2019

AI Crawlers

Blocks 14 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • AI2Bot Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • cohere-training-data-crawler Blocked
  • Diffbot Blocked
  • GoogleOther Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked
  • SBIntuitionsBot Blocked

Search and AI assistants

  • PerplexityBot Blocked
  • YouBot Blocked

User-request fetchers

  • ChatGPT-User Blocked
  • Claude-User Blocked

The other 19 AI crawlers we track are not mentioned and stay allowed by default.

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

See who blocks each AI crawler across the web

AI Crawlers

14 of 33 AI crawlers blocked

Full breakdown

Audience

  • 82% phone
  • 18% desktop
  • Czechia

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

Open Page Rank

2.72 / 10 · ranked #2,133,821 of all domains

13 referring domains · OpenPageRank

Core Web Vitals

LCP1.9 s
INP125 ms
CLS0
TTFB300 ms

Real user p75, Chrome UX Report, Oct 2026.

Page

  • Language: Czech (Czechia)
  • CDN: Cloudflare
  • Weight: 1.9 MB · 89 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Cloudflare (198.202.211.1)
  • DNS: ignum.com
  • Email: webglobe.com
  • Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
  • SSL: Google Trust Services, ECDSA P256, expires Dec 2026
  • Common Crawl link graph: rank 38,977,437, 11 hosts

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

Full technology history →
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