What powers cancer.or.jp?
Last seen Jun 2026 · 14 technologies across 11 categories
Advertising
Twitter Ads
since Jul 2023
Analytics
Google Analytics
since Jul 2023
CDN
Cloudflare
since Mar 2025
Google Hosted Libraries
since Jul 2023
Font scripts
Google Font API
since Jul 2023
Issue trackers
Sentry
since Sep 2025
JavaScript libraries
Miscellaneous
Open Graph
since Jul 2023
Programming languages
PHP
since Jul 2023
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Apache HTTP Server
since Jul 2023
Widgets
Twitter
since Jul 2023
Audience
- 75% desktop
- 25% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.43 / 10 · ranked #413,250 of all domains
59 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 21.8 MB · 89 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected Sentry Sep 2025