What powers commerce21.co.jp?
Last seen Mar 2026 · 25 technologies across 17 categories
Analytics
Google Analytics
since Oct 2022
CDN
cdnjs
since Sep 2024
Cloudflare
since Sep 2024
Google Hosted Libraries
since Sep 2024
jsDelivr
since Sep 2024
CMS
Databases
MySQL
since Sep 2024
Amazon SES
since Oct 2022
Font scripts
Google Font API
since Sep 2024
Twitter Emoji (Twemoji)
since Mar 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2024
RSS
since Sep 2024
PaaS
Amazon Web Services
since Oct 2022
Payment processors
Amazon Pay
since Sep 2024
PayPal
since Sep 2024
Performance
Priority Hints
since Sep 2024
Programming languages
PHP
since Sep 2024
SEO
Tag managers
Google Tag Manager
since Sep 2024
Web servers
Nginx
since Aug 2018
Webmail
Google Workspace
since Oct 2022
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.29 / 10 · ranked #206,744 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Full technology history →
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Recent changes
- dropped HSTS Mar 2026