What powers 
sumasate.jp?
Last seen Sep 2026 · 45 technologies across 23 categories
Advertising
Analytics
Authentication
CDN
CMS
Databases
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Security
SEO
Static site generator
Tag managers
UI frameworks
Web servers
Webmail
Widgets
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.86 / 10 · ranked #686,956 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 1.0 MB · 84 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- スマサテ
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (108.157.173.43)
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Amazon Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 6,988,510, 7 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| owner-matching.sumasate.jp | 19 |
| owner.sumasate.jp | 18 |
| research.sumasate.jp | 17 |
| sumasate.jp | 14 |
Full technology history →
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Recent changes
- dropped D3 Jul 2026
- dropped jQuery UI Jul 2026
- dropped OpenSSL Jul 2026
- dropped reCAPTCHA Jul 2026
- detected Astro Jun 2026
- detected Tailwind CSS Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Microsoft Clarity Feb 2026
- detected React Router Jan 2026
- detected Sentry Jan 2026
- detected VWO Jan 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected core-js Nov 2025
- detected Facebook Pixel Nov 2025