What powers zsjm-me.cz?
Last seen Sep 2026 · 22 technologies across 15 categories
CDN
cdnjs
since Feb 2023
Cloudflare
since Oct 2021
Google Hosted Libraries
since Feb 2023
jQuery CDN
since Sep 2023
CMS
Databases
MySQL
since Jan 2019
Font scripts
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
RSS
since Dec 2022
Operating systems
CentOS
since Jan 2019
Windows Server
since Apr 2020
Programming languages
Adobe Flash
since Jul 2021
UI frameworks
Web frameworks
Web server extensions
Web servers
Webmail
Microsoft 365
since Aug 2022
Widgets
Wheelio
since Oct 2021
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.07 / 10 · ranked #11,526,596 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech (Czechia)
- Weight: 2.6 MB · 103 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on TRIONET-CZ-AS NIX (46.30.238.42)
- DNS: one.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 31,433,789, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| zsjm-me.cz | 16 |
| www.zsjm-me.cz | 9 |
| skola.zsjm-me.cz | 6 |