What powers 
rosacentrum.cz?
Last seen Aug 2026 · 15 technologies across 11 categories
Analytics
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Programming languages
UI frameworks
WordPress plugins
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
- 82% phone
- 18% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.79 / 10 · ranked #267,578 of all domains
89 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 5.5 MB · 54 requests
- WordPress theme: oxygen-is-not-a-theme · all themes
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Industry: Non-profit and religious (declares
NGO)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (185.129.138.106)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed, MTA-STS
- SSL: Actalis, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 123,909, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server Dec 2025
- dropped Bootstrap Dec 2025
- dropped Buttonizer Dec 2025
- dropped cdnjs Dec 2025
- dropped Cloudflare Dec 2025
- dropped core-js Dec 2025
- dropped Font Awesome Dec 2025
- dropped GSAP Dec 2025
- dropped Isotope Dec 2025
- dropped jQuery Migrate Dec 2025
- dropped JSS Dec 2025
- dropped LazySizes Dec 2025
- dropped Lightbox Dec 2025
- dropped Modernizr Dec 2025
- dropped PWA Dec 2025
- dropped reCAPTCHA Dec 2025
- dropped Site Kit Dec 2025
- dropped Slider Revolution Dec 2025
- dropped The Events Calendar Dec 2025
- dropped Yoast SEO Dec 2025
- detected AOS Nov 2025
- detected CivicTheme Nov 2025
- detected Google Analytics Nov 2025
- detected HTTP/3 Nov 2025
- detected Oxygen Nov 2025