What powers 
vahala.cz?
Last seen Sep 2026 · 15 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
CDN
jsDelivr
since Apr 2023
Font scripts
Font Awesome
since Jan 2019
JavaScript frameworks
JavaScript libraries
Miscellaneous
PWA
since Apr 2023
Programming languages
PHP
since Jan 2019
Security
reCAPTCHA
since Jan 2019
Web servers
Apache HTTP Server
since Dec 2023
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 found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
- Oct 2026 * removed from robots.txt
- Oct 2026 robots.txt removed
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 81% phone
- 19% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.41 / 10 · ranked #996,945 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 11.3 MB · 53 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (213.239.192.239)
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 15,829,909, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.vahala.cz | 13 |
| www.eshop.vahala.cz | 7 |