What powers rckt.jp?
Last seen Jun 2026 · 15 technologies across 13 categories
Analytics
Google Analytics
since Dec 2022
CDN
Google Cloud CDN
since Apr 2024
Databases
Firebase
since Apr 2024
Font scripts
Google Font API
since Dec 2022
Hosting
Sakura Internet
since Dec 2022
IaaS
Google Cloud
since Apr 2024
JavaScript frameworks
Miscellaneous
HTTP/3
since Apr 2024
Open Graph
since Dec 2022
Page builders
STUDIO
since Apr 2024
Performance
Google Cloud Trace
since Jun 2026
Programming languages
Node.js
since Apr 2024
Tag managers
Google Tag Manager
since Apr 2024
Webmail
Google Workspace
since Dec 2022
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.87 / 10 · ranked #3,987,073 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 25 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.
Full technology history →
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Recent changes
- dropped core-js Jun 2026
- dropped Priority Hints Jun 2026
- detected Priority Hints Feb 2026