What powers hosaka-c.net?
Last seen Sep 2026 · 20 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Sep 2026
Authentication
Facebook Login
since Jul 2021
CDN
Amazon CloudFront
since Sep 2026
jsDelivr
since Sep 2026
Font scripts
Google Font API
since Sep 2026
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Sep 2026
Miscellaneous
Open Graph
since Sep 2026
RSS
since Dec 2022
PaaS
Amazon Web Services
since Sep 2026
Programming languages
Video players
YouTube
since Sep 2026
Web servers
Apache HTTP Server
since Sep 2026
Nginx
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.35 / 10 · ranked #44,609,255 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 2.3 MB · 140 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 内科・呼吸器内科 保坂クリニック
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Amazon Web Services (18.238.49.20)
- DNS: Amazon Route 53
- Email: no MX record returned, SPF names Lolipop
- Email security: SPF (soft fail)
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 11,785,277
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| hosaka-c.net | 15 |
| www.hosaka-c.net | 8 |