What powers 51corr.ed.jp?
Last seen Jun 2026 · 18 technologies across 13 categories
CMS
WordPress
since Jun 2022
Databases
MySQL
since Jun 2022
Font scripts
Twitter Emoji (Twemoji)
since Jun 2022
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Jun 2022
Rich text editors
Security
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Jun 2022
Video players
Web servers
Nginx
since Jun 2022
WordPress plugins
WordPress themes
Twenty Seventeen
since Jun 2022
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.90 / 10 · ranked #14,664,347 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese (Japan)
- Weight: 15.5 MB · 88 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026
- detected TinyMCE Nov 2025