What powers papir.cz?
Last seen Oct 2026 · 15 technologies across 10 categories
Analytics
Cookie compliance
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Web frameworks
Web servers
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt, restricts 2 more. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
- GPTBot Blocked
Search and AI assistants
- Amazonbot Blocked
- OAI-SearchBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 28 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
3 of 33 AI crawlers blocked
Audience
- 79% desktop
- 21% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.51 / 10 · ranked #6,453,722 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 1.7 MB · 126 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on SUPERNETWORK _ (37.235.104.244, IPv6)
- DNS: websupport.cz
- Email: Seznam Email
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 49,129,950, 2 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
- detected Google Font API Apr 2026