What powers chutan.ac.jp?
Last seen Jun 2026 · 15 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
CMS
Concrete CMS
since May 2021
Font scripts
Font Awesome
since May 2021
JavaScript graphics
Chart.js
since May 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jan 2019
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Microsoft 365
since Aug 2022
Widgets
SnapWidget
since Feb 2022
Audience
- 77% phone
- 24% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.30 / 10 · ranked #1,132,244 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 6.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 5900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 17.6 MB · 125 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.