What powers josera.co.jp?
Last seen Jun 2026 · 18 technologies across 10 categories
Advertising
i-mobile
since May 2023
Analytics
Google Analytics
since Feb 2023
CDN
cdnjs
since Apr 2023
Cloudflare
since Apr 2023
Google Hosted Libraries
since Jul 2022
jsDelivr
since Apr 2023
Ecommerce
Cart Functionality
since Jan 2022
ColorMeShop
since Jan 2022
Font scripts
Font Awesome
since Apr 2023
Google Font API
since Jan 2022
Issue trackers
Sentry
since Apr 2023
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Security
HSTS
since Sep 2022
Web servers
Nginx
since Jan 2022
Audience
- 91% phone
- 9% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.26 / 10 · ranked #9,202,864 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.3 MB · 107 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.