What powers zssumna.cz?
Last seen Sep 2026 · 7 technologies across 6 categories
CMS
JavaScript libraries
Operating systems
Programming languages
Adobe Flash
since Mar 2022
Rich text editors
TinyMCE
since Mar 2022
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
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
1.31 / 10 · ranked #8,535,778 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.7 MB · 45 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on MASTER-AS Czech Republic www.master.cz (89.185.235.78)
- DNS: axonet.cz
- Email: axonet.cz
- Email security: no SPF record, no DMARC record
- Common Crawl link graph: rank 59,811,161, 3 hosts
DNS records as swept Sep 2026. How the web is hosted