What powers kaikan.co?
Last seen Jun 2026 · 13 technologies across 8 categories
Analytics
Google Analytics
since Jan 2019
CDN
cdnjs
since Mar 2025
Cloudflare
since Mar 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since May 2025
Programming languages
Retargeting
Google Remarketing Tag
since Aug 2021
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Audience
- 84% phone
- 16% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.75 / 10 · ranked #2,082,956 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 3.3 MB · 88 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| kaikan.co | 10 |
| www.kaikan.co | 8 |
Full technology history →
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Recent changes
- dropped jQuery CDN May 2026
- dropped Cloudflare Browser Insights Dec 2025
- dropped HTTP/3 Dec 2025
- detected Cloudflare Browser Insights Oct 2025
- detected HTTP/3 Oct 2025