What powers a-fu.org?
Last seen Jun 2026 · 16 technologies across 12 categories
Analytics
Google Analytics
since May 2020
CDN
CMS
Databases
MySQL
since May 2020
Font scripts
Google Font API
since May 2020
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Tag managers
Google Tag Manager
since May 2020
Web servers
Apache HTTP Server
since May 2020
WordPress plugins
WP-PageNavi
since May 2022
Audience
- 65% phone
- 35% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.89 / 10 · ranked #3,881,774 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.9 MB · 66 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped All in One SEO Feb 2026
- dropped FingerprintJS Feb 2026
- dropped jsDelivr Feb 2026
- detected Google Tag Manager Jan 2026