What powers cotoful.com?
Last seen Jun 2026 · 14 technologies across 10 categories
CDN
Google Cloud CDN
since Mar 2025
Databases
Firebase
since Mar 2025
Font scripts
Google Font API
since Mar 2025
IaaS
Google Cloud
since Mar 2025
JavaScript frameworks
Miscellaneous
HTTP/3
since Mar 2025
Open Graph
since Mar 2025
Page builders
STUDIO
since Mar 2025
Programming languages
Node.js
since Mar 2025
Tag managers
Google Tag Manager
since Mar 2025
Webmail
Apple iCloud Mail
since Apr 2026
Microsoft 365
since Jun 2026
Audience
- 86% phone
- 14% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.31 / 10 · ranked #8,480,018 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 2.0 MB · 66 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft 365 Jun 2026
- dropped Priority Hints May 2026
- detected Apple iCloud Mail Apr 2026
- detected Priority Hints Feb 2026