What powers zsvybiralova.cz?
Last seen Sep 2026 · 12 technologies across 9 categories
Editors
Font scripts
Google Font API
since Feb 2019
JavaScript frameworks
AlertifyJS
since Jun 2021
JavaScript libraries
Highlight.js
since Feb 2019
Miscellaneous
Popper
since Apr 2022
Programming languages
PHP
since Feb 2019
Rich text editors
UI frameworks
Web servers
Apache HTTP Server
since Feb 2019
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 90% phone
- 10% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.66 / 10 · ranked #5,256,005 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 8.3 MB · 124 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEDOS (46.28.107.91, IPv6)
- Email: zoner.com
- Email security: no SPF record, no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 25,360,343
DNS records as swept Sep 2026. How the web is hosted