What powers sasamoto.co.jp?
Last seen Oct 2026 · 22 technologies across 16 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Maps
Miscellaneous
Page builders
Programming languages
Security
SEO
Web servers
Widgets
WordPress themes
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.80 / 10 · ranked #4,336,693 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 14.8 MB · 151 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Xserver (162.43.121.17)
- DNS: alpha-mail.jp
- Email: alpha-mail.net
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 41,461,829
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Nov 2025