What powers yamakawa.co.jp?
Last seen Jun 2026 · 18 technologies across 11 categories
Analytics
CDN
CMS
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Performance
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| best books on japanese history | #49 | 1 |
| a history of japan: revised edition | #47 | 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.
Audience
- 55% phone
- 45% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.32 / 10 · ranked #190,422 of all domains
141 referring domains · OpenPageRank
Search traffic
1 est. monthly organic visits (US)
2 keywords in Google's top 30
Core Web Vitals
| LCP | 2.5 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 8.1 MB · 86 requests
- WordPress theme: yamakawacorporatesite · all themes
- Structured data: Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| new-textbook.yamakawa.co.jp | 14 |
| howtouse.yamakawa.co.jp | 10 |
| www.yamakawa.co.jp | 10 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Cart Functionality Oct 2025
- dropped CodeIgniter Oct 2025
- dropped jQuery UI Oct 2025
- dropped Mouse Flow Oct 2025
- dropped Xserver Oct 2025
- dropped YouTube Oct 2025
- detected Priority Hints Sep 2025