What powers 
chugai.co.jp?
Last seen Aug 2026 · 20 technologies across 14 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
SEO
Video players
Web servers
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 66% desktop
- 34% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #906,947 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 7.9 MB · 217 requests
- WordPress theme: chugairo_theme · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Chugai Ro
- Founded: 1945
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (219.94.206.114)
- DNS: Onamae.com
- Email: chugai.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,384,565, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped All in One SEO Nov 2025
- dropped Contact Form 7 Nov 2025
- dropped CookieYes Nov 2025
- dropped Font Awesome Nov 2025
- dropped jQuery Migrate Nov 2025
- dropped Master Slider Nov 2025
- dropped Master Slider Plugin Nov 2025
- dropped Modernizr Nov 2025
- dropped RSS Nov 2025
- dropped SiteOrigin Page Builder Nov 2025
- detected cdnjs Oct 2025
- detected Cloudflare Oct 2025
- detected Google Font API Oct 2025
- detected Google Hosted Libraries Oct 2025
- detected GSAP Oct 2025
- detected jsDelivr Oct 2025
- detected ScrollMagic Oct 2025
- detected Unpkg Oct 2025
- detected Yoast SEO Oct 2025