What powers 
schp.cz?
Last seen Aug 2026 · 13 technologies across 8 categories
Analytics
Google Analytics
since Jan 2022
Matomo Analytics
since Jan 2026
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Operating systems
Windows Server
since Jan 2022
UI frameworks
Web frameworks
Microsoft ASP.NET
since Jan 2022
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.17 / 10 · ranked #470,910 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 6.4 MB · 58 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Svaz chemického průmyslu České republiky
- Founded: 1992
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on COOLHOUSING-AS Vinohradska 190 (89.187.143.178)
- DNS: regzone.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 3072, expires Nov 2026
- Common Crawl link graph: rank 8,245,874, 2 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 cdnjs Feb 2026
- dropped Cloudflare Feb 2026
- dropped Google Font API Feb 2026
- dropped Google Tag Manager Feb 2026
- dropped HSTS Feb 2026
- dropped Open Graph Feb 2026
- detected Isotope Jan 2026
- detected jQuery UI Jan 2026
- detected Matomo Analytics Jan 2026
- detected Tiny Slider Jan 2026