What powers ef-official.co.jp?
Last seen Jun 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Aug 2022
Microsoft Clarity
since Jun 2025
CMS
WordPress
since Aug 2022
Databases
MySQL
since Aug 2022
Font scripts
Google Font API
since Aug 2022
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
RSS
since Apr 2024
Performance
Priority Hints
since May 2024
Programming languages
PHP
since Aug 2022
Web servers
Nginx
since Aug 2022
WordPress plugins
WordPress Super Cache
since Apr 2024
WP-PageNavi
since Aug 2022
WordPress themes
Twenty Nineteen
since Apr 2024
Audience
- 81% desktop
- 19% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.60 / 10 · ranked #5,695,766 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 8.8 MB · 108 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.