What powers portalsvj.cz?
Last seen Aug 2026 · 11 technologies across 10 categories
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since Jan 2019
JavaScript Frameworks
Miscellaneous
RSS
since Dec 2022
Operating systems
Windows Server
since Mar 2023
Programming languages
PHP
since Sep 2021
UI frameworks
Web frameworks
Microsoft ASP.NET
since Mar 2023
Web servers
Webmail
Google Workspace
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 52% desktop
- 48% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.19 / 10 · ranked #461,048 of all domains
66 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 0.2 MB · 19 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SHARKTECH (45.58.159.44)
- DNS: forpsi.cz
- Email: Google Workspace
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 2,459,493, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted