What powers 
yakubato.jp?
Last seen Aug 2026 · 34 technologies across 23 categories
Advertising
Analytics
CDN
Databases
Documentation
Font scripts
IaaS
JavaScript frameworks
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Maps
Marketing automation
Miscellaneous
PaaS
Page builders
Performance
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Reverse proxies
Security
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UI frameworks
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Web servers
Webmail
AI Crawlers
Restricts 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- Applebot Restricted
The other 32 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
- Sep 2026 *: Restricted (was Allowed)
- Sep 2026 applebot added to robots.txt
- Aug 2026 *: Allowed (was Restricted)
- Aug 2026 applebot removed from robots.txt
AI Crawlers
1 of 33 AI crawlers restricted
Audience
- 54% phone
- 46% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.29 / 10 · ranked #207,787 of all domains
73 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 4.7 MB · 160 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (3.166.135.4)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 228,541, 11 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| clinic.yakubato.jp | 18 |
| service.yakubato.jp | 15 |
| patient.yakubato.jp | 14 |
| yakubato.jp | 13 |
| support.yakubato.jp | 11 |
| araki-shounika.hp.yakubato.jp | 8 |
Full technology history →
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Recent changes
- detected Google Cloud Trace Jul 2026
- dropped Priority Hints Jun 2026