What powers 
yutoku.jp?
Last seen Oct 2026 · 19 technologies across 10 categories
CDN
CMS
Databases
Font scripts
Hosting panels
JavaScript libraries
Programming languages
Security
Web servers
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 72% phone
- 28% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.11 / 10 · ranked #501,088 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 2400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- Weight: 2.6 MB · 95 requests
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Yutoku Jidousha
- Founded: 1932
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on IDCF - IDC Frontier Inc. (202.230.200.65)
- DNS: domainserver.ne.jp
- Email: nospamcloud.com
- Email security: SPF (soft fail), no DMARC record
- SSL: GlobalSign, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 9,967,791, 2 hosts
- Verified with: GlobalSign
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
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Recent changes
- dropped Google Analytics Sep 2026
- dropped MonsterInsights Sep 2026