What powers kaseki.co.jp?
Last seen Aug 2026 · 12 technologies across 11 categories
Analytics
Google Analytics
since Sep 2023
Databases
Firebase
since Sep 2023
Font scripts
Google Font API
since Sep 2023
Hosting
Sakura Internet
since Sep 2023
IaaS
Google Cloud
since Sep 2023
JavaScript frameworks
Miscellaneous
Open Graph
since Sep 2023
Page builders
STUDIO
since Sep 2023
Programming languages
Node.js
since Sep 2023
Tag managers
Google Tag Manager
since Sep 2023
Webmail
Google Workspace
since Sep 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.89 / 10 · ranked #3,899,685 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Full technology history →
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Recent changes
- dropped core-js Jun 2026
- dropped Priority Hints Jun 2026