What powers profibau.cz?
Last seen Oct 2026 · 8 technologies across 7 categories
Font scripts
Google Font API
since Mar 2020
JavaScript libraries
Miscellaneous
SWFObject
since Mar 2020
Programming languages
PHP
since Mar 2020
Security
reCAPTCHA
since Mar 2020
Web frameworks
Nette Framework
since Mar 2020
Web servers
Nginx
since Mar 2020
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
AI Crawlers
No AI crawlers blocked
Audience
- 65% phone
- 35% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.64 / 10 · ranked #5,400,057 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- Weight: 1.0 MB · 53 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on ACTIVE24-AS www.active24.cz (81.95.98.36)
- DNS: websupport.cz
- Email: Active 24
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 26,543,874
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Tag Manager Apr 2026