What powers 
jednota.cz?
Last seen Aug 2026 · 6 technologies across 5 categories
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Jan 2019
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
AI Crawlers
No AI crawlers blocked
Audience
- 88% phone
- 12% desktop
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.00 / 10 · ranked #566,143 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 6.7 MB · 37 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SATT-AS (31.31.233.16, IPv6)
- DNS: web4u.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 9,715,428, 3 hosts
- Verified with: 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 Google Analytics Jun 2026