What powers f22.cz?
Last seen Apr 2026 · 27 technologies across 17 categories
Advertising
Google AdSense
since Jan 2019
Analytics
Google Analytics
since Jan 2019
Snowplow Analytics
since Dec 2024
Caching
WordPress Super Cache
since Jul 2019
CMS
WordPress
since Jan 2019
Cookie compliance
Funding Choices
since Oct 2023
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Feb 2019
Hosting panels
Plesk
since Jan 2021
JavaScript libraries
Miscellaneous
Performance
LazySizes
since Feb 2022
Priority Hints
since Sep 2023
Programming languages
Security
Tag managers
Google Tag Manager
since Feb 2020
Web servers
Nginx
since Jan 2021
Widgets
Facebook
since Jan 2019
WordPress plugins
Yoast SEO
since Jan 2019
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
Open Page Rank
1.65 / 10 · ranked #5,329,473 of all domains
6 referring domains · OpenPageRank
Infrastructure
- Hosted on ZONER-AS (217.198.121.73)
- DNS: Active 24
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 13,387,335, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.f22.cz | 26 |
| f22.cz | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Nov 2025
- dropped Snowplow Analytics Nov 2025