What powers kosf.jp?
Last seen Jun 2026 · 14 technologies across 12 categories
CMS
Databases
MySQL
since Jan 2022
Ecommerce
Font scripts
Google Font API
since Jan 2022
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Nov 2024
Programming languages
UI frameworks
Animate.css
since Jan 2022
Web servers
Apache HTTP Server
since Jan 2022
WordPress plugins
Otter Blocks
since Jan 2025
WordPress themes
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.50 / 10 · ranked #6,550,782 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5 s |
| CLS | 0 |
| TTFB | 5200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.8 MB · 46 requests
Homepage as crawled by the HTTP Archive, Jul 2026.