What powers kakira.dev?
Last seen Jun 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since Jul 2020
CDN
Amazon CloudFront
since Feb 2023
Amazon S3
since Feb 2023
JavaScript frameworks
Emotion
since Feb 2023
JavaScript graphics
Chart.js
since Jul 2020
JavaScript libraries
Miscellaneous
Open Graph
since Feb 2023
PaaS
Amazon Web Services
since Feb 2023
Security
UI frameworks
UIKit
since Jul 2020
Web servers
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.3 s |
| INP | 900 ms |
| CLS | 0.4 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Google
- Weight: 0.7 MB · 9 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| atcoder-companions.kakira.dev | 8 |
| atcoder-replay.kakira.dev | 7 |
| made-in-ai.kakira.dev | 3 |