What powers k-official.jp?
Last seen Jun 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since Jun 2021
Caching
RackCache
since Jun 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Ruby
since Jun 2021
Security
reCAPTCHA
since Aug 2023
Tag managers
Google Tag Manager
since Jun 2021
Web frameworks
Ruby on Rails
since Jun 2021
Web servers
Nginx
since Jun 2021
Audience
- 95% phone
- 5% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.06 / 10 · ranked #1,493,130 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.5 MB · 29 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.