What powers jack-donuts.jp?
Last seen Jun 2026 · 12 technologies across 10 categories
Analytics
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Font Awesome
since Feb 2019
Google Font API
since Feb 2019
Hosting
Xserver
since Sep 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
HSTS
since Aug 2025
UI frameworks
Bootstrap
since Feb 2019
Web servers
Apache HTTP Server
since May 2021
Widgets
FlexSlider
since Feb 2019
Audience
- 88% phone
- 12% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #364,788 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 15.3 MB · 54 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jack-donuts.jp | 12 |
| www.jack-donuts.jp | 8 |