What powers tetra20.net?
Last seen Jun 2026 · 23 technologies across 15 categories
Advertising
Google AdSense
since Jan 2021
Analytics
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
CMS
Databases
MySQL
since Jan 2021
Font scripts
Google Font API
since Jan 2021
JavaScript frameworks
JavaScript libraries
LazySizes
since Feb 2022
LazySizes unveilhooks plugin
since Jul 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
Security
reCAPTCHA
since Apr 2022
Video players
YouTube
since Jul 2022
Web servers
Apache HTTP Server
since Jan 2021
Widgets
Pocket
since Feb 2023
WordPress plugins
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.09 / 10 · ranked #120,588,193 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.4 MB · 273 requests
- WordPress theme: diver (child: diver_child) · all themes
- 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 Google Tag Manager Jun 2026
- detected Google Tag Manager Mar 2026
- dropped Google Tag Manager Feb 2026
- dropped Microsoft ASP.NET Jan 2026
- detected Google Font API Nov 2025
- detected Microsoft ASP.NET Nov 2025
- detected FingerprintJS Aug 2025