What powers youngchampion.jp?
Last seen Aug 2026 · 22 technologies across 13 categories
Advertising
Analytics
Authentication
CDN
Development
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
AI Crawlers
Blocks 21 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- DuckAssistBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- meta-externalfetcher Blocked
- MistralAI-User Blocked
- Perplexity-User Blocked
The other 12 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
21 of 33 AI crawlers blocked
Audience
- 78% phone
- 18% desktop
- 4% tablet
Japan
United States
Taiwan
Vietnam
South Korea
Thailand
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.43 / 10 · ranked #413,373 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 125 ms |
| CLS | 0.2 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 11.4 MB · 289 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Bootstrap Aug 2026
- dropped Google Font API Aug 2026
- dropped Google Hosted Libraries Aug 2026
- dropped jQuery Aug 2026
- dropped jQuery UI Aug 2026
- dropped LazySizes Aug 2026
- dropped Nginx Aug 2026
- detected Datadog Jul 2026
- detected HSTS Jul 2026
- detected NextAuth.js Jul 2026
- detected Next.js Jul 2026
- detected Next.js App Router Jul 2026
- detected Node.js Jul 2026
- detected React Jul 2026
- detected Turbopack Jul 2026
- detected Webpack Jul 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped Twitter Oct 2025