What powers 21cats.org?
Last seen Jun 2026 · 16 technologies across 12 categories
Analytics
Burst
since Jun 2024
Google Analytics
since Aug 2022
CMS
WordPress
since Jul 2022
Databases
MySQL
since Jul 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Jun 2023
Programming languages
PHP
since Jul 2022
Security
Really Simple SSL & Security
since Apr 2024
Web servers
Nginx
since Mar 2024
WordPress plugins
RankMath SEO
since Dec 2023
WordPress themes
Audience
- 64% phone
- 36% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.41 / 10 · ranked #2,660,907 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.6 MB · 23 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Contact Form 7 Nov 2025