What powers letterpot.jp?
Last seen Jun 2026 · 13 technologies across 10 categories
Analytics
Google Analytics
since May 2023
CDN
jQuery CDN
since May 2023
jsDelivr
since May 2023
Font scripts
Google Font API
since Aug 2024
JavaScript libraries
Miscellaneous
Open Graph
since May 2023
PWA
since May 2023
PaaS
Amazon Web Services
since May 2023
Performance
Turbolinks
since May 2023
Programming languages
Ruby
since May 2023
Web frameworks
Ruby on Rails
since May 2023
Web servers
Audience
- 68% phone
- 32% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.47 / 10 · ranked #6,759,561 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 5.2 MB · 22 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.