What powers dearsystem.jp?
Last seen Jun 2026 · 12 technologies across 8 categories
Analytics
Google Analytics
since May 2025
CDN
Amazon CloudFront
since Sep 2024
Amazon S3
since Sep 2024
Documentation
JavaScript frameworks
React
since Sep 2024
Miscellaneous
PaaS
Amazon Web Services
since Sep 2024
UI frameworks
Tailwind CSS
since Sep 2024
Webmail
Microsoft 365
since Sep 2024
Audience
- 84% desktop
- 16% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.26 / 10 · ranked #9,207,633 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 5.7 MB · 25 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.