What powers katumasa.jp?
Last seen Jun 2026 · 13 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Cloud CDN
since Apr 2026
Databases
Firebase
since Apr 2026
Font scripts
Google Font API
since Apr 2026
Hosting
Sakura Internet
since Aug 2022
IaaS
Google Cloud
since Apr 2026
JavaScript frameworks
Miscellaneous
HTTP/3
since Apr 2026
Open Graph
since Apr 2026
Page builders
STUDIO
since Apr 2026
Programming languages
Node.js
since Apr 2026
Tag managers
Google Tag Manager
since Apr 2026
Audience
- 93% phone
- 7% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.81 / 10 · ranked #1,956,429 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 54.0 MB · 146 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Hosted Libraries May 2026
- dropped jQuery May 2026
- dropped MySQL May 2026
- dropped Nginx May 2026
- dropped PHP May 2026
- dropped Priority Hints May 2026
- dropped Slick May 2026
- dropped Twitter Emoji (Twemoji) May 2026
- dropped WordPress May 2026
- dropped WP-PageNavi May 2026
- dropped YouTube May 2026
- detected Firebase Apr 2026
- detected Google Cloud Apr 2026
- detected Google Cloud CDN Apr 2026
- detected Google Font API Apr 2026
- detected Google Tag Manager Apr 2026
- detected HTTP/3 Apr 2026
- detected Node.js Apr 2026
- detected Nuxt.js Apr 2026
- detected Open Graph Apr 2026
- detected STUDIO Apr 2026
- detected Vue.js Apr 2026
- detected Twitter Emoji (Twemoji) Dec 2025