What powers zpspraha.cz?
Last seen Aug 2026 · 14 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Font Awesome
since May 2021
Google Font API
since May 2021
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Jan 2019
Miscellaneous
Popper
since Apr 2022
Programming languages
Java
since Aug 2021
Security
HSTS
since Jul 2026
UI frameworks
Web servers
Nginx
since Jan 2019
Webmail
Microsoft 365
since Feb 2024
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 52% desktop
- 47% phone
- 1% tablet
Czechia
Poland
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.18 / 10 · ranked #1,298,360 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 6.5 MB · 19 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CDT-AS The Czech Republic (195.146.104.230)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed, MTA-STS, BIMI
- SSL: GoDaddy, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 11,938,456, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vph.zpspraha.cz | 10 |
| osu.zpspraha.cz | 6 |
| portal.zpspraha.cz | 6 |
Full technology history →
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Recent changes
- detected HSTS Jul 2026