What powers harwell.jp?
Last seen Jun 2026 · 14 technologies across 8 categories
Analytics
Cloudflare Browser Insights
since Jun 2021
FullStory
since Nov 2021
Google Analytics
since Jun 2021
Microsoft Clarity
since Feb 2022
CDN
Cloudflare
since Jun 2021
CMS
Contentful
since Nov 2021
JavaScript libraries
Programming languages
Ruby
since Nov 2021
Security
HSTS
since May 2025
Tag managers
Google Tag Manager
since Jun 2021
Web frameworks
Ruby on Rails
since Nov 2021
Audience
- 61% phone
- 39% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.67 / 10 · ranked #5,189,324 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Cloudflare
- Weight: 2.5 MB · 105 requests
Homepage as crawled by the HTTP Archive, Jul 2026.