What powers j-circ.or.jp?
Last seen Jun 2026 · 32 technologies across 20 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| circulation journal impact factor | #5 | 61 |
| circulation | #65 | 31 |
| circulation | #35 | 31 |
| wilkins rv | #45 | 14 |
| accp | #88 | 14 |
| circ j | #14 | 13 |
| gdmt heart failure | #87 | 13 |
| caprini score | #86 | 9 |
| cpr procedure | #66 | 5 |
| cpr procedure | #30 | 5 |
| cpr procedure | #66 | 5 |
| cpr procedure | #30 | 5 |
| hfpef icd 10 | #83 | 5 |
| hfmref | #94 | 5 |
| dvt icd 10 | #67 | 5 |
| cardiogenic shock causes | #23 | 3 |
| circulation journal impact factor | #93 | 3 |
| circulation journal impact factor | #59 | 3 |
| circulation journal | #88 | 3 |
| circulation impact factor | #45 | 3 |
| coaptation | #76 | 3 |
| commissurotomy | #78 | 3 |
| japanese high blood pressure | #4 | 3 |
| circulation submit | #8 | 2 |
| circulation research letter | #4 | 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.
Audience
- 53% desktop
- 46% phone
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.04 / 10 · ranked #36,639 of all domains
428 referring domains · OpenPageRank
Search traffic
300 est. monthly organic visits (US)
261 keywords in Google's top 30
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 18.0 MB · 130 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.j-circ.or.jp | 21 |
| j-circ.or.jp | 16 |
| portal.j-circ.or.jp | 11 |
| itc.j-circ.or.jp | 10 |
Full technology history →
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Recent changes
- detected Salesforce Feb 2026
- detected Cloudflare Browser Insights Oct 2025
- detected HTTP/3 Oct 2025
- detected Microsoft Clarity Aug 2025