What powers yoshikawatosen.jp?
Last seen Sep 2026 · 6 technologies across 6 categories
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Web frameworks
Web servers
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.45 / 10 · ranked #29,833,005 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 3.0 MB · 89 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PSPINC-BDC (216.230.253.201)
- DNS: alpha-mail.jp
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- Common Crawl link graph: rank 79,963,553, 2 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.yoshikawatosen.jp | 6 |
| yoshikawatosen.jp | 6 |