What powers otrokolo.eu?
Last seen Oct 2026 · 21 technologies across 15 categories
Analytics
Google Analytics
since Jan 2021
CDN
Cloudflare
since Nov 2023
Google Hosted Libraries
since Apr 2022
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Google Font API
since Jul 2020
JavaScript libraries
Miscellaneous
Operating systems
Debian
since Jul 2020
Performance
Priority Hints
since Oct 2025
Programming languages
PHP
since Jul 2020
Security
Cloudflare Bot Management
since Nov 2023
HSTS
since Sep 2022
UI frameworks
Video players
YouTube
since Apr 2022
Web frameworks
Nette Framework
since Jul 2020
Web servers
Widgets
Elfsight
since May 2025
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.52 / 10 · ranked #6,328,057 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.1 MB · 39 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Linode (Akamai) (139.162.148.9)
- DNS: forpsi.cz
- Email: forpsi.com
- Email security: SPF (soft fail), no DMARC record
- Common Crawl link graph: rank 32,862,545, 2 hosts
DNS records as swept Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Oct 2026
- dropped Priority Hints Aug 2026
- detected YouTube Jul 2026
- detected Debian Jun 2026
- dropped YouTube Apr 2026
- detected Priority Hints Mar 2026
- dropped Priority Hints Feb 2026