What powers yuki-chemical.com?
Last seen Oct 2026 · 24 technologies across 16 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Video players
Web servers
Widgets
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 68% desktop
- 32% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.15 / 10 · ranked #10,439,263 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 6.8 MB · 134 requests
- WordPress theme: yuki-chemical_layout · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 有希化学 (Yuki Chemical on Wikidata)
- Founded: 1970
- Country: Japan
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Xserver (183.90.241.121)
- DNS: Xserver
- Email: yuki-chemical.com
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 17,239,850
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
- dropped Babel Aug 2026
- dropped jQuery Migrate Aug 2026
- dropped jQuery UI Aug 2026
- dropped Popup Maker Aug 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Nov 2025