What powers kotaroujuku.com?
Last seen Jun 2026 · 15 technologies across 13 categories
Analytics
Google Analytics
since Dec 2025
CDN
Google Cloud CDN
since Dec 2025
Databases
Firebase
since Dec 2025
Font scripts
Google Font API
since Dec 2025
Hosting
Xserver
since Aug 2022
IaaS
Google Cloud
since Dec 2025
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Dec 2025
Open Graph
since Dec 2025
Page builders
STUDIO
since Dec 2025
Performance
Google Cloud Trace
since Jun 2026
Programming languages
Node.js
since Dec 2025
Tag managers
Google Tag Manager
since Dec 2025
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.11 / 10 · ranked #87,742,536 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 7.3 MB · 61 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Cloud Trace Jun 2026
- dropped Priority Hints May 2026
- detected Priority Hints Feb 2026
- dropped jQuery Jan 2026
- dropped jQuery Migrate Jan 2026
- dropped MySQL Jan 2026
- dropped Nginx Jan 2026
- dropped PHP Jan 2026
- dropped RSS Jan 2026
- dropped Twitter Emoji (Twemoji) Jan 2026
- dropped WordPress Jan 2026
- detected core-js Dec 2025
- detected Firebase Dec 2025
- detected Google Analytics Dec 2025
- detected Google Cloud Dec 2025
- detected Google Cloud CDN Dec 2025
- detected Google Font API Dec 2025
- detected Google Tag Manager Dec 2025
- detected HTTP/3 Dec 2025
- detected Node.js Dec 2025
- detected Nuxt.js Dec 2025
- detected Open Graph Dec 2025
- detected STUDIO Dec 2025
- detected Vue.js Dec 2025