What powers fo-io.com?
Last seen Aug 2026 · 10 technologies across 7 categories
Caching
Google PageSpeed
since Jun 2023
CDN
Font scripts
JavaScript libraries
Miscellaneous
UI frameworks
Bootstrap
since Jun 2023
Web servers
Nginx
since Jun 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% desktop
- 47% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.10 / 10 · ranked #111,044,898 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.1 MB · 12 requests
Homepage as crawled by the HTTP Archive, Sep 2026.