What powers r2b2.cz?
Last seen Mar 2025 · 23 technologies across 15 categories
Analytics
Google Analytics
since Dec 2020
Caching
WP Rocket
since Sep 2024
CMS
WordPress
since Dec 2020
Databases
MySQL
since Dec 2020
JavaScript frameworks
React
since Oct 2024
JavaScript libraries
Highlight.js
since Oct 2024
Preact
since Sep 2024
Miscellaneous
Babel
since Aug 2024
Open Graph
since Oct 2022
Performance
Priority Hints
since Sep 2024
Programming languages
PHP
since Dec 2020
Security
reCAPTCHA
since Dec 2020
Tag managers
Google Tag Manager
since Dec 2020
Web frameworks
Nette Framework
since Aug 2024
Web servers
Apache HTTP Server
since Feb 2024
Nginx
since Dec 2020
Webmail
Google Workspace
since Oct 2022
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
5.32 / 10 · ranked #187,221 of all domains
91 referring domains · OpenPageRank
Infrastructure
- Hosted on CASABLANCA-AS Internet & Collocation Provider (217.11.249.145)
- DNS: gransy.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 207,494, 9 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| r2b2.cz | 18 |
| aym.r2b2.cz | 9 |