What powers 
books-sawaya.co.jp?
Last seen Sep 2026 · 15 technologies across 11 categories
Advertising
Analytics
CDN
CMS
Databases
JavaScript libraries
Maps
Programming languages
Security
Web servers
Widgets
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 88% phone
- 12% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.45 / 10 · ranked #952,258 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.6 MB · 95 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on FINE Canon IT Solutions Inc. (210.134.168.210)
- DNS: canonet.ne.jp
- Email: books-sawaya.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 3,246,651
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected HSTS Jul 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025