What powers metrum.cz?
Last seen Sep 2026 · 20 technologies across 12 categories
Analytics
Google Analytics
since Apr 2020
Authentication
Facebook Login
since Jul 2021
CDN
cdnjs
since Jul 2024
Cloudflare
since Jul 2024
Ecommerce
Cart Functionality
since Aug 2020
JavaScript frameworks
Svelte
since Mar 2022
JavaScript libraries
Swiper
since Sep 2022
Maps
Google Maps
since Apr 2020
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Aug 2021
Security
HSTS
since Mar 2024
Tag managers
Google Tag Manager
since Apr 2020
Web frameworks
Nette Framework
since Feb 2023
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 57% phone
- 43% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.04 / 10 · ranked #3,477,417 of all domains
6 referring domains · OpenPageRank
Page
- Language: Czech
- Weight: 1.3 MB · 150 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: forpsi.cz
- Email: websupport.cz
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- Common Crawl link graph: rank 18,902,953
- Verified with: Google
DNS records as swept Sep 2026. How the web is hosted