What powers pgcr.cz?
Last seen Aug 2026 · 19 technologies across 11 categories
Analytics
CDN
Font scripts
Hosting panels
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Programming languages
Security
Tag managers
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
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 89% phone
- 8% desktop
- 3% tablet
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.40 / 10 · ranked #36,718,589 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 3.7 MB · 76 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Facebook Pixel Aug 2026
- dropped Smartlook Aug 2026
- dropped HTTP/3 Jul 2026
- dropped Tailwind CSS Jul 2026
- detected PWA Jun 2026
- detected core-js May 2026
- detected Smartlook May 2026
- dropped Smartsupp May 2026