What powers zsstraskov.cz?
Last seen Sep 2026 · 22 technologies across 12 categories
CDN
Editors
Font scripts
Google Font API
since Oct 2020
JavaScript frameworks
AlertifyJS
since Jul 2021
JavaScript libraries
Maps
Google Maps
since Oct 2023
Miscellaneous
Open Graph
since Oct 2023
Programming languages
PHP
since Mar 2020
Rich text editors
UI frameworks
Web servers
Apache HTTP Server
since Mar 2020
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.30 / 10 · ranked #8,666,660 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 7.0 MB · 93 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on WEDOS (46.28.107.91)
- DNS: wedos.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 42,502,429, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted