What powers stavebnionline.cz?
Last seen Oct 2026 · 4 technologies across 4 categories
Operating systems
Windows Server
since Apr 2019
Security
HSTS
since Jul 2023
Web frameworks
Microsoft ASP.NET
since Apr 2019
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #338,340 of all domains
48 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.0 MB · 5 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Sep 2000 (26 years) via ZONER a. s. (CZECHIA.COM), renews Aug 2027
- Hosted on -Reserved AS- (85.217.167.21)
- DNS: regzone.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 3072, expires Jan 2027
- Common Crawl link graph: rank 15,341,488, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| stavebnionline.cz | 4 |
| www.stavebnionline.cz | 4 |