What powers 
okano-valve.co.jp?
Last seen Sep 2026 · 27 technologies across 16 categories
Analytics
CDN
CMS
Databases
Editors
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
SEO
Tag managers
Web servers
Webmail
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 63% desktop
- 37% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.52 / 10 · ranked #876,453 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 26.7 MB · 123 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 岡野バルブ製造株式会社 (Okano Valve Manufacturing on Wikidata)
- Founded: 1936
- Country: Japan
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Xserver (183.90.231.62)
- DNS: xbiz.ne.jp
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,127,285, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| okano-valve.co.jp | 23 |
| www.okano-valve.co.jp | 15 |
| library.okano-valve.co.jp | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Salesforce Marketing Cloud Account Engagement Jun 2026
- detected Font Awesome May 2026
- detected Three.js May 2026
- detected Swiper Nov 2025