What powers sienkiewicz.czest.pl?
Last seen Sep 2026 · 18 technologies across 9 categories
CMS
Joomla
since Jan 2019
Font scripts
Google Font API
since May 2025
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since May 2025
Open Graph
since May 2025
PWA
since May 2025
RSS
since Dec 2022
Vite
since May 2025
Programming languages
UI frameworks
Video players
YouTube
since Jul 2020
Web servers
Caddy
since May 2025
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 83% phone
- 17% desktop
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.42 / 10 · ranked #2,638,812 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Polish
- Weight: 9.5 MB · 100 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- IV Liceum Ogólnokształcące im. Henryka Sienkiewicza w Częstochowie
- Founded: 1862
- Country: Poland
From Wikidata (CC0).
Infrastructure
- DNS: home.pl
- Email: sienkiewicz.czest.pl
- Email security: SPF (soft fail), no DMARC record
- SSL: home.pl, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 10,568,512, 6 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| 4lo.sienkiewicz.czest.pl | 9 |
| www.sienkiewicz.czest.pl | 9 |