What powers prum.cz?
Last seen Oct 2026 · 15 technologies across 10 categories
Analytics
CDN
Cookie compliance
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Security
Tag managers
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
AI Crawlers
14 of 33 AI crawlers blocked
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
| LCP | 1.9 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 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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Recent changes
- dropped Cloudflare Turnstile Dec 2025
- dropped Facebook Pixel Dec 2025