What powers vsps-su.cz?
Last seen Oct 2026 · 15 technologies across 10 categories
Authentication
Google Sign-in
since Oct 2024
Font scripts
Google Font API
since Jan 2022
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
HTTP/3
since Apr 2026
Programming languages
Rich text editors
Video players
YouTube
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2022
Nginx
since Jan 2019
Webmail
Apple iCloud Mail
since Nov 2024
Google Workspace
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 70% phone
- 30% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.88 / 10 · ranked #1,817,759 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 0.1 MB · 12 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on ONE-NETWORK (185.102.21.89, IPv6)
- DNS: webglobe.cz
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 11,100,423, 12 hosts
- Verified with: Apple Business, Have I Been Pwned, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.vsps-su.cz | 10 |
| vsps-su.cz | 8 |
| is.vsps-su.cz | 7 |
| burza.vsps-su.cz | 6 |
| jidelna.vsps-su.cz | 6 |
| ontes.vsps-su.cz | 4 |
Full technology history →
Report an incorrect detection