What powers 337e.jp?
Last seen Jun 2026 · 16 technologies across 10 categories
Authentication
Facebook Login
since Apr 2023
CDN
Google Hosted Libraries
since Apr 2023
Font scripts
Bootstrap Icons
since Apr 2023
Google Font API
since Apr 2023
Hosting
Sakura Internet
since Apr 2023
JavaScript libraries
Programming languages
TypeScript
since Apr 2023
UI frameworks
Bootstrap
since Apr 2023
Video players
YouTube
since Apr 2023
Web servers
Nginx
since Apr 2023
Widgets
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.35 / 10 · ranked #8,043,134 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 15.0 MB · 110 requests
Homepage as crawled by the HTTP Archive, Jul 2026.