What powers raffle-kuji.jp?
Last seen Aug 2026 · 23 technologies across 16 categories
Advertising
Twitter Ads
since May 2023
Analytics
Google Analytics
since May 2023
Authentication
NextAuth.js
since Nov 2023
CDN
Amazon CloudFront
since May 2023
Cloudflare
since Mar 2025
Font scripts
Font Awesome
since May 2023
Issue trackers
Sentry
since May 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since May 2023
Webpack
since May 2023
PaaS
Amazon Web Services
since May 2023
Performance
Priority Hints
since Nov 2023
Programming languages
Node.js
since May 2023
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Jun 2025
Tag managers
Google Tag Manager
since May 2023
Widgets
Twitter
since May 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 91% phone
- 9% desktop
Japan
United States
Hong Kong SAR China
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.27 / 10 · ranked #440,434 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 100 ms |
| CLS | 0.45 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 17.5 MB · 68 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected core-js Jan 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025