What powers nrpraha.cz?
Last seen Aug 2026 · 8 technologies across 7 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Security
reCAPTCHA
since Jan 2019
Web servers
Webmail
Microsoft 365
since Aug 2022
Widgets
FlexSlider
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 53% phone
- 47% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #366,963 of all domains
99 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.2 MB · 38 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEB4U (81.91.86.11)
- DNS: web4u.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 757,077, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted