What powers 
kasaharashoten.jp?
Last seen Oct 2026 · 32 technologies across 22 categories
Advertising
Analytics
Authentication
CDN
CMS
Databases
Ecommerce
Editors
Font scripts
Hosting panels
JavaScript libraries
Maps
Miscellaneous
Operating Systems
Programming languages
Security
SEO
UI frameworks
Web servers
Widgets
WordPress plugins
WordPress themes
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.48 / 10 · ranked #912,377 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.9 MB · 98 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 笠原書店
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on GMOCL - GMO GlobalSign Holdings K.K. (133.117.153.17)
- Email: spamexperts.com
- Email security: SPF (hard fail), DMARC quarantine
- Common Crawl link graph: rank 199,210, 2 hosts
DNS records as swept Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kasaharashoten.jp | 27 |
| www.kasaharashoten.jp | 16 |
Full technology history →
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Recent changes
- detected Nginx Aug 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026