What powers protherm.cz?
Last seen Jun 2026 · 17 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
CDN
Amazon S3
since Jul 2024
JavaScript frameworks
JavaScript libraries
Miscellaneous
DocuSign
since Aug 2022
Open Graph
since Sep 2022
Operating Systems
PaaS
Amazon Web Services
since Jul 2024
Programming languages
Java
since Jan 2019
Security
HSTS
since Sep 2022
Web frameworks
JavaServer Faces
since Jan 2019
Web Servers
Webmail
Microsoft 365
since Aug 2022
Audience
- 69% phone
- 27% desktop
- 4% tablet
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.77 / 10 · ranked #728,456 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- CDN: Akamai
- Weight: 1.2 MB · 26 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.protherm.cz | 10 |
| klub.protherm.cz | 9 |
| servis.protherm.cz | 4 |