What powers u16.io?
Last seen Jun 2026 · 5 technologies across 4 categories
Analytics
Cloudflare Browser Insights
since Feb 2026
CDN
Cloudflare
since Feb 2026
Miscellaneous
HTTP/3
since Feb 2026
Open Graph
since Apr 2026
Security
Keybase
since Feb 2026
Audience
- 64% phone
- 36% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 0.6 MB · 8 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
- detected Open Graph Apr 2026