What powers zsbos9.cz?
Last seen Sep 2026 · 10 technologies across 9 categories
Font scripts
JavaScript frameworks
Miscellaneous
Programming languages
Security
UI frameworks
Web frameworks
Web servers
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 84% phone
- 16% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.72 / 10 · ranked #4,853,533 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.0 MB · 43 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on SATT-AS (31.31.239.206, IPv6)
- DNS: wedos.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 13,141,762, 2 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Apache HTTP Server Jul 2026
- detected Apple iCloud Mail Jul 2026
- detected Google Font API Jul 2026
- detected GSAP Jul 2026
- detected HSTS Jul 2026
- detected Microsoft 365 Jul 2026
- detected Nette Framework Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected Tailwind CSS Jul 2026