What powers seisahighschool.ed.jp?
Last seen Jun 2026 · 17 technologies across 13 categories
Analytics
Google Analytics
since Jan 2019
CDN
CMS
Databases
MySQL
since Jan 2019
Font scripts
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since May 2022
SEO
UI frameworks
Bootstrap
since Jan 2019
Video players
Vimeo
since Nov 2021
Web servers
Nginx
since Jan 2019
Audience
- 81% phone
- 19% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.09 / 10 · ranked #1,443,503 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 12.7 MB · 177 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.