What powers 
otsukishoten.co.jp?
Last seen Sep 2026 · 13 technologies across 10 categories
Advertising
Analytics
Authentication
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Web frameworks
Web servers
Widgets
AI Crawlers
Blocks 10 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- Applebot Blocked
- Claude-SearchBot Blocked
- OAI-SearchBot Blocked
- PetalBot Blocked
The other 23 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| sealds | #49 | 1 |
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
10 of 33 AI crawlers blocked
Audience
- 53% phone
- 47% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.34 / 10 · ranked #180,564 of all domains
151 referring domains · OpenPageRank
Search traffic
1 est. monthly organic visits (US)
1 keywords in Google's top 30
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.7 MB · 62 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Ōtsuki Shoten
- Founded: 1946
- Sector: publishing
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on SO-NET Sony Network Communications Inc. (182.169.74.66)
- DNS: Onamae.com
- Email: otsukishoten.co.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Nijimo, Inc., RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 634,363, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.otsukishoten.co.jp | 10 |
| data.otsukishoten.co.jp | 8 |
Full technology history →
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Recent changes
- detected Laravel Aug 2026
- detected core-js Jul 2026
- detected Google Font API Jul 2026
- detected Open Graph Jul 2026
- detected Swiper Jul 2026
- dropped Laravel Feb 2026