What powers knihykopecky.cz?
Last seen Aug 2026 · 16 technologies across 9 categories
Analytics
Authentication
Facebook Login
since Jul 2025
Ecommerce
Cart Functionality
since Apr 2026
Shoptet
since Jul 2025
JavaScript libraries
Miscellaneous
HTTP/3
since May 2026
Open Graph
since Jul 2025
Performance
Priority Hints
since Jul 2025
Programming languages
PHP
since Jul 2025
UI frameworks
Web servers
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 56% phone
- 44% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 0.9 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.8 MB · 61 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped PWA Aug 2026
- detected Contentsquare Jul 2026
- detected Luigi’s Box Jul 2026
- detected HTTP/3 May 2026
- detected OpenResty May 2026
- detected PWA May 2026
- detected Cart Functionality Apr 2026
- detected core-js Dec 2025
- dropped Google Font API Dec 2025