What powers vyvazecky.cz?
Last seen Sep 2026 · 13 technologies across 9 categories
Analytics
Google Analytics
since Sep 2020
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Font scripts
Google Font API
since Sep 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Programming languages
Video players
YouTube
since Sep 2020
Web frameworks
Nette Framework
since Sep 2020
Web servers
Apache HTTP Server
since Sep 2020
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
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.72 / 10 · ranked #2,132,731 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 3.2 MB · 55 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: hostime.cz
- Email: hostime.cz
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,526,289
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted