What powers seikyo.ed.jp?
Last seen Jun 2026 · 19 technologies across 14 categories
Analytics
Google Analytics
since Jan 2020
CMS
WordPress
since Jan 2020
Databases
MySQL
since Jan 2020
Font scripts
Google Font API
since Jul 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Jul 2025
Page builders
WordPress Block Editor
since Jul 2025
Programming languages
PHP
since Jan 2020
SEO
Video players
YouTube
since Jul 2025
Web servers
Nginx
since Feb 2019
Webmail
Apple iCloud Mail
since Dec 2024
Google Workspace
since Aug 2022
WordPress plugins
WordPress themes
Lightning
since Jul 2025
Audience
- 84% phone
- 16% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.53 / 10 · ranked #866,021 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 10.4 MB · 95 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| libraria.seikyo.ed.jp | 17 |
| seikyo.ed.jp | 13 |
| www.seikyo.ed.jp | 13 |