What powers kantan.cat?
Last seen Jun 2026 · 6 technologies across 6 categories
CDN
Cloudflare
since Feb 2026
Miscellaneous
PWA
since Apr 2026
Programming languages
Security
HSTS
since Jan 2026
Web frameworks
Webmail
Proton Mail
since Apr 2026
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.73 / 10 · ranked #18,318,729 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| INP | 75 ms |
| CLS | 0.25 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Full technology history →
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Recent changes
- detected Proton Mail Apr 2026
- detected PWA Apr 2026
- detected Cloudflare Feb 2026