What powers skolaac.cz?
Last seen Oct 2026 · 19 technologies across 15 categories
Analytics
Cloudflare Browser Insights
since Feb 2026
CDN
Cloudflare
since Feb 2026
Cloudinary
since Dec 2023
CMS
Joomla
since Feb 2023
Font scripts
Font Awesome
since Feb 2023
Google Font API
since Feb 2023
JavaScript libraries
Maps
Google Maps
since Feb 2023
Miscellaneous
HTTP/3
since Feb 2026
Open Graph
since Feb 2023
Operating systems
FreeBSD
since Feb 2023
Programming languages
Security
HSTS
since Feb 2023
UI frameworks
Animate.css
since Jan 2019
Bootstrap
since Jan 2019
Web frameworks
Helix Ultimate
since Feb 2023
Web server extensions
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Oct 2026 * removed from robots.txt
- Oct 2026 amazonbot removed from robots.txt
- Oct 2026 applebot-extended removed from robots.txt
- Oct 2026 meta-externalagent removed from robots.txt
- Oct 2026 bytespider removed from robots.txt
- Oct 2026 ccbot removed from robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 87% phone
- 13% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.35 / 10 · ranked #2,783,757 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- CDN: Cloudflare
- Weight: 1.1 MB · 52 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.66.107, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 29,702,510, 6 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| en.skolaac.cz | 16 |
| skolaac.cz | 15 |
| www.skolaac.cz | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Feb 2026
- detected Cloudflare Browser Insights Feb 2026
- detected HTTP/3 Feb 2026