What powers nefrol.cz?
Last seen Sep 2026 · 13 technologies across 10 categories
Analytics
Fathom
since Dec 2021
JavaScript libraries
Maps
Google Maps
since May 2019
Miscellaneous
RSS
since Dec 2022
Operating systems
Ubuntu
since Apr 2023
Programming languages
PHP
since May 2019
Security
HSTS
since Sep 2022
Web frameworks
Nette Framework
since May 2019
Web servers
Webmail
Google Workspace
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 77% phone
- 23% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.16 / 10 · ranked #1,333,277 of all domains
28 referring domains · OpenPageRank
Page
- Language: Czech
- Weight: 0.5 MB · 24 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Linode (Akamai) (139.162.128.178)
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P384, expires Oct 2026
- Common Crawl link graph: rank 669,845, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted