What powers gakken.co.jp?
Last seen Jun 2026 · 55 technologies across 27 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| ghd group | #71 | 1 |
| intra-hd | #59 | 0 |
| hld index | #88 | 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
- 82% desktop
- 18% phone
Japan
Indonesia
South Korea
Thailand
Taiwan
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.51 / 10 · ranked #17,234 of all domains
941 referring domains · OpenPageRank
Search traffic
1 est. monthly organic visits (US)
3 keywords in Google's top 30
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 3.1 MB · 22 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| kids.gakken.co.jp | 29 |
| gakken.co.jp | 20 |
| cocofump.gakken.co.jp | 19 |
| gakkokyoiku.gakken.co.jp | 19 |
| ghd.gakken.co.jp | 17 |
| www.gakuryoku.gakken.co.jp | 17 |
| khd.gakken.co.jp | 16 |
| recruit.gakken.co.jp | 15 |
| kabuyutai.gakken.co.jp | 14 |
| saiyo.gakken.co.jp | 13 |
| thinquest.gakken.co.jp | 13 |
| ir.gakken.co.jp | 10 |
| www.gakken.co.jp | 10 |
| contact.gakken.co.jp | 1 |
Full technology history →
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Recent changes
- dropped Autoptimize May 2026
- dropped D3 May 2026
- dropped LazySizes May 2026
- dropped Plotly May 2026
- detected Akamai Feb 2026
- detected Akamai mPulse Feb 2026
- detected Boomerang Feb 2026
- detected UserWay Feb 2026
- detected Unpkg Oct 2025
- dropped ID5 Sep 2025