What powers 15s.jp?
Last seen Jun 2026 · 16 technologies across 12 categories
Analytics
Google Analytics
since Sep 2020
CMS
Databases
MySQL
since Aug 2022
Font scripts
Google Font API
since Aug 2022
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Slick
since Aug 2022
Miscellaneous
Open Graph
since Oct 2022
Programming languages
PHP
since Aug 2022
Tag managers
Google Tag Manager
since Aug 2022
Video players
YouTube
since Apr 2023
Web servers
Nginx
since Sep 2020
WordPress plugins
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.95 / 10 · ranked #13,668,832 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 46.6 MB · 177 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.