What powers zsslovan.cz?
Last seen Sep 2026 · 9 technologies across 8 categories
Analytics
Google Analytics
since Jul 2019
Font scripts
Google Font API
since Jul 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jul 2019
Web frameworks
Web servers
Nginx
since Jul 2019
Webmail
Microsoft 365
since Aug 2022
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
- 82% phone
- 18% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.02 / 10 · ranked #3,532,395 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.9 MB · 36 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on VSHOSTING (185.59.211.79)
- DNS: wedos.com
- 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 18,400,633, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Bootstrap May 2026