What powers 
tonda-obal.cz?
Last seen Aug 2026 · 19 technologies across 14 categories
Analytics
Google Analytics
since Apr 2020
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Apr 2022
jQuery CDN
since Jun 2022
CMS
Databases
MySQL
since Jun 2020
Font scripts
Cufon
since Apr 2020
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Mobile frameworks
Operating systems
CentOS
since Apr 2020
Programming languages
Security
Really Simple SSL & Security
since Apr 2024
UI frameworks
Video players
Web servers
Apache HTTP Server
since Apr 2020
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
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.03 / 10 · ranked #547,322 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.8 MB · 41 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on O2-CZECH-REPUBLIC (90.182.204.171)
- DNS: websupport.cz
- Email: ekokom.cz
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 15,571,030, 10 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.starsi.tonda-obal.cz | 16 |
| www.mladsi.tonda-obal.cz | 15 |
| tonda-obal.cz | 10 |
| www.tonda-obal.cz | 10 |
| www.ucitele.tonda-obal.cz | 10 |