What powers aclass-seishin.jp?
Last seen Jun 2026 · 11 technologies across 8 categories
CDN
CMS
Databases
MySQL
since Sep 2022
Font scripts
Twitter Emoji (Twemoji)
since Sep 2022
Hosting
Xserver
since Sep 2022
JavaScript libraries
Programming languages
PHP
since Sep 2022
Web servers
Nginx
since Sep 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.29 / 10 · ranked #8,781,804 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 10.5 MB · 98 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025