What powers dearsbrain.jp?
Last seen Jun 2026 · 14 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
CRM
Salesforce
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
PaaS
Amazon Web Services
since Jan 2019
Photo galleries
PhotoSwipe
since Oct 2023
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Amazon EC2
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2025
Google Workspace
since Aug 2022
Audience
- 72% phone
- 28% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.40 / 10 · ranked #418,129 of all domains
61 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.7 MB · 72 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.dearsbrain.jp | 12 |
| dearsbrain.jp | 11 |
| lp.dearsbrain.jp | 8 |