What powers preaf.jp?
Last seen Jun 2026 · 22 technologies across 15 categories
Analytics
Google Analytics
since Nov 2023
Matomo Analytics
since Nov 2023
CDN
Google Hosted Libraries
since Nov 2023
CMS
Databases
MySQL
since Nov 2023
Font scripts
Font Awesome
since Nov 2023
JavaScript frameworks
Riot
since Apr 2026
JavaScript libraries
Miscellaneous
RSS
since Nov 2023
Programming languages
Security
reCAPTCHA
since Nov 2023
Tag managers
Google Tag Manager
since Nov 2023
UI frameworks
Web servers
Webmail
Google Workspace
since Sep 2023
WordPress plugins
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.28 / 10 · ranked #213,635 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.2 MB · 101 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| preaf.jp | 22 |
| www.preaf.jp | 22 |
| sp.preaf.jp | 3 |
Full technology history →
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Recent changes
- dropped Apache HTTP Server Jun 2026