What powers sms-sluzby.cz?
Last seen Sep 2026 · 18 technologies across 9 categories
CDN
JavaScript libraries
Maps
Google Maps
since Jul 2023
Miscellaneous
Programming languages
PHP
since Aug 2022
UI frameworks
Video players
Web servers
Webmail
Google Workspace
since Aug 2022
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 52% desktop
- 48% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.12 / 10 · ranked #1,392,976 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.9 MB · 25 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Websupport (37.9.175.211)
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 29,689,937, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted