What powers 4leaf.jp?
Last seen Jun 2026 · 15 technologies across 12 categories
CMS
Databases
MySQL
since Jan 2025
Font scripts
Twitter Emoji (Twemoji)
since Jan 2026
Hosting
Xserver
since Jan 2025
JavaScript libraries
Miscellaneous
RSS
since Jan 2025
Performance
LazySizes
since Jan 2025
Programming languages
PHP
since Jan 2025
UI frameworks
Web servers
Nginx
since Jan 2025
WordPress plugins
WordPress themes
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.93 / 10 · ranked #3,788,105 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.5 MB · 36 requests
- WordPress theme: lightning · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected MetaSlider Jun 2026
- dropped Jetpack Feb 2026
- dropped Priority Hints Jan 2026
- dropped WordPress Block Editor Jan 2026