What powers seirei.ac.jp?
Last seen Jun 2026 · 22 technologies across 13 categories
Analytics
Caching
Varnish
since Jan 2019
Font scripts
Font Awesome
since Aug 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Rich text editors
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Aug 2020
Web frameworks
JavaServer Faces
since Jul 2022
Ruby on Rails
since Jul 2022
Web servers
Apache HTTP Server
since Apr 2019
Nginx
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
Widgets
Wheelio
since Sep 2021
Audience
- 69% desktop
- 31% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.58 / 10 · ranked #390,276 of all domains
80 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.3 MB · 15 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| upse.seirei.ac.jp | 9 |
| www.seirei.ac.jp | 9 |
| lib.seirei.ac.jp | 8 |
| blg.seirei.ac.jp | 6 |
| seirei.ac.jp | 6 |
| center.seirei.ac.jp | 4 |
| gyosekidb.seirei.ac.jp | 4 |
| webclass.seirei.ac.jp | 3 |
| www.bousai.seirei.ac.jp | 2 |