What powers cebu21.jp?
Last seen Jun 2026 · 15 technologies across 11 categories
CMS
Gnuboard
since Apr 2022
Databases
MySQL
since Apr 2022
Font scripts
Hosting
Xserver
since May 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Jun 2023
Programming languages
PHP
since Jan 2019
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Bootstrap
since Jan 2019
Video players
YouTube
since Apr 2019
Web servers
Nginx
since May 2025
Audience
- 70% desktop
- 30% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.93 / 10 · ranked #1,721,615 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 10.1 MB · 204 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.cebu21.jp | 15 |
| cebu21.jp | 13 |
Full technology history →
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Recent changes
- dropped jQuery UI Aug 2025