What powers stredni-skola.cz?
Last seen Sep 2026 · 8 technologies across 6 categories
CDN
jsDelivr
since Jan 2023
JavaScript libraries
Operating systems
Windows Server
since Feb 2020
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
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
- Sep 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 74% phone
- 26% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.34 / 10 · ranked #2,802,152 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 1.2 MB · 44 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SECURITYNET-AS (176.102.65.225)
- DNS: wedos.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 3072, expires Dec 2026
- Common Crawl link graph: rank 11,321,131, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.stredni-skola.cz | 7 |
| bakalar.stredni-skola.cz | 6 |
Full technology history →
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Recent changes
- dropped cdnjs Jan 2026
- dropped Cloudflare Jan 2026
- dropped Font Awesome Jan 2026