What powers carena.jp?
Last seen Aug 2026 · 27 technologies across 18 categories
A/B Testing
Google Optimize
since Feb 2023
Analytics
Ahoy
since Jul 2026
Google Analytics
since Feb 2023
Authentication
CDN
Cloudflare
since Feb 2023
Ecommerce
Cart Functionality
since Jul 2026
EcForce
since Jul 2026
Font scripts
Google Font API
since Jul 2026
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Feb 2023
Miscellaneous
Open Graph
since Feb 2023
PaaS
Amazon Web Services
since Jul 2026
Programming languages
Ruby
since Jul 2026
RUM
New Relic
since Jul 2026
Security
HSTS
since Jul 2026
Tag managers
Google Tag Manager
since Feb 2023
UI frameworks
Web frameworks
Ruby on Rails
since Jul 2026
Web servers
Nginx
since Feb 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 27.7 MB · 70 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| carena.jp | 19 |
| popular.carena.jp | 12 |