What powers uzpevacku.cz?
Last seen Oct 2026 · 12 technologies across 9 categories
Authentication
Facebook Login
since Jan 2022
Font scripts
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Google Code Prettify
since Mar 2020
Programming languages
UI frameworks
Bootstrap
since Mar 2020
Web servers
Apache HTTP Server
since Mar 2020
Widgets
FlexSlider
since Mar 2020
Tripadviser.Widget
since Jan 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.05 / 10 · ranked #11,816,725 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0.15 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 4.6 MB · 174 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (37.205.10.101)
- DNS: wedos.com
- Email: no MX record returned, SPF names Seznam Email
- Email security: SPF (hard fail), DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 30,369,029, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| uzpevacku.cz | 12 |
| www.uzpevacku.cz | 12 |