What powers 
ushio.co.jp?
Last seen Aug 2026 · 16 technologies across 14 categories
Advertising
Analytics
CDN
JavaScript libraries
PaaS
Programming languages
Rich text editors
Security
Tag Managers
UI frameworks
Web frameworks
Web Servers
Webmail
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| digital micromirror device | #86 | 190 |
| j to ev | #59 | 25 |
| ev to j | #68 | 25 |
| ev j | #49 | 13 |
| ure 50 | #1 | 9 |
| ushio japanese | #1 | 9 |
| ushio japan | #1 | 9 |
| ushio inc japan | #1 | 9 |
| red laser wavelength | #8 | 8 |
| mmhg in pa | #78 | 8 |
| halogen heaters | #19 | 6 |
| 1atm to pa | #56 | 6 |
| ushio products | #2 | 5 |
| ushio | #26 | 5 |
| ushio | #22 | 5 |
| halogen heaters | #93 | 5 |
| halogen heaters | #49 | 5 |
| interference lithography | #3 | 4 |
| laser diode | #35 | 4 |
| usio | #65 | 3 |
| 1atm to torr | #74 | 3 |
| uv meter | #28 | 2 |
| wavelength of red laser light | #13 | 2 |
| what is halogen heater | #9 | 2 |
| ired | #78 | 2 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 62% desktop
- 38% phone
Japan
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.76 / 10 · ranked #132,185 of all domains
207 referring domains · OpenPageRank
Search traffic
380 est. monthly organic visits (US)
180 keywords in Google's top 30
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.3 MB · 92 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- USHIO
- Founded: 1964
- Sector: lighting
- Country: Japan
From Wikidata (CC0).
Infrastructure
- DNS: d-53.info
- Email: securemx.jp
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: SECOM Trust Systems, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 70,825, 5 hosts
- Verified with: Apple Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| member.ushio.co.jp | 13 |
| www.ushio.co.jp | 7 |