What powers jamss.co.jp?
Last seen Jun 2026 · 15 technologies across 9 categories
CDN
cdnjs
since Sep 2022
Cloudflare
since Sep 2022
Cookie compliance
CookieFirst
since Sep 2022
JavaScript frameworks
JavaScript libraries
Marketing automation
BowNow
since Feb 2022
Miscellaneous
Open Graph
since Sep 2022
Tag managers
Google Tag Manager
since Sep 2022
Web servers
Nginx
since Apr 2024
Webmail
Apple iCloud Mail
since Jan 2023
Audience
- 67% desktop
- 33% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #358,529 of all domains
66 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.9 MB · 98 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Moment.js Aug 2025