What powers 
yhresearch.co.jp?
Last seen Sep 2026 · 11 technologies across 10 categories
Analytics
CDN
Ecommerce
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Web servers
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- PerplexityBot Allowed
The other 29 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 60% desktop
- 40% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #327,982 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.5 s |
| CLS | 0.05 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.8 MB · 74 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Alibaba Cloud (8.211.148.26)
- DNS: registry-server.com
- Email: netease.com
- Email security: SPF (hard fail), DMARC quarantine
- SSL: GlobalSign, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 2,381,592, 3 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Alibaba Cloud CDN Dec 2025
- detected core-js Dec 2025