What powers 
rion.co.jp?
Last seen Sep 2026 · 28 technologies across 14 categories
Analytics
CDN
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Payment processors
Performance
Security
Tag managers
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| rion | #6 | 120 |
| japanese hearing aids | #2 | 8 |
| rion japanese | #6 | 1 |
| rion model | #74 | 0 |
| rion llc | #42 | 0 |
| rion inc | #18 | 0 |
| rion in english | #37 | 0 |
| rion and rion | #83 | 0 |
| kl-30 | #64 | 0 |
| light obscuration particle count test | #79 | 0 |
| light obscuration | #84 | 0 |
| aa 57 | #44 | 0 |
| glocalnet | #39 | 0 |
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 AI crawlers blocked
Audience
- 64% desktop
- 36% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.80 / 10 · ranked #128,814 of all domains
180 referring domains · OpenPageRank
Search traffic
130 est. monthly organic visits (US)
13 keywords in Google's top 30
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.7 MB · 84 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- RION
- Founded: 1944
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (54.250.39.16)
- DNS: vips.ne.jp
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Amazon Trust Services, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 597,368, 8 hosts
- Verified with: Apple Business, Box, Google, Microsoft 365, Sophos
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| onlineshop-svmeas.rion.co.jp | 17 |
| svmeas.rion.co.jp | 9 |
| particle.rion.co.jp | 7 |
| www.rion.co.jp | 6 |