What powers chatcast.jp?
Last seen Jun 2026 · 13 technologies across 9 categories
Analytics
LogRocket
since Feb 2021
CDN
Font scripts
Font Awesome
since Jul 2021
JavaScript frameworks
React
since Jul 2021
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
PaaS
Amazon Web Services
since Feb 2020
Programming languages
Node.js
since Feb 2020
Web frameworks
Express
since Feb 2020
Audience
- 53% desktop
- 47% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.72 / 10 · ranked #4,817,965 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 100 ms |
| CLS | 0.15 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 1.5 MB · 35 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Mar 2026