What powers cha-freeschool.com?
Last seen Jun 2026 · 23 technologies across 18 categories
Advertising
Google AdSense
since May 2023
Affiliate programs
ValueCommerce
since May 2023
Analytics
Google Analytics
since May 2023
CDN
cdnjs
since May 2023
Cloudflare
since May 2023
CMS
WordPress
since May 2023
Databases
MySQL
since May 2023
Font scripts
Google Font API
since Jun 2023
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since May 2023
RSS
since May 2023
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since May 2023
Security
reCAPTCHA
since May 2023
Tag managers
Google Tag Manager
since Jul 2023
Video players
YouTube
since May 2023
Web servers
Nginx
since May 2023
WordPress plugins
Smash Balloon Instagram Feed
since May 2023
Audience
- 73% desktop
- 27% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.10 / 10 · ranked #110,067,608 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.4 MB · 164 requests
- WordPress theme: jinr (child: jinr-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025