What powers keiichiw.dev?
Last seen Aug 2026 · 17 technologies across 10 categories
Analytics
Cloudflare Browser Insights
since Jul 2026
Google Analytics
since Jul 2026
Caching
Varnish
since Jul 2026
CDN
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
GitHub Pages
since Jul 2026
Programming languages
Ruby
since Jul 2026
Security
HSTS
since Jul 2026
Static site generator
Jekyll
since Jul 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 86% phone
- 14% desktop
United Kingdom
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.3 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare, Fastly
- Weight: 0.9 MB · 14 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.