What powers 37card.jp?
Last seen Jun 2026 · 27 technologies across 15 categories
Advertising
Criteo
since Jan 2019
Twitter Ads
since Oct 2022
Analytics
Google Analytics
since Jan 2019
CDN
Amazon CloudFront
since Jan 2019
Amazon S3
since Jan 2019
cdnjs
since Oct 2022
Cloudflare
since Oct 2022
jsDelivr
since Apr 2022
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
Vue.js
since Jan 2019
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Feb 2019
Netlify
since Apr 2022
Reverse proxies
Nginx
since Jan 2019
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Oct 2022
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Video players
YouTube
since Apr 2022
Webmail
Google Workspace
since Aug 2022
Widgets
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.36 / 10 · ranked #1,056,950 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 325 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Amazon CloudFront
- Weight: 2.5 MB · 16 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| business.37card.jp | 15 |
| 37card.jp | 10 |
| shop.37card.jp | 8 |
| shop-shukasaito.37card.jp | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Dec 2025