What powers 
link-usa.jp?
Last seen Aug 2026 · 26 technologies across 14 categories
Analytics
Caching
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Performance
Programming languages
UI frameworks
Web servers
WordPress plugins
WordPress themes
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 55% desktop
- 45% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #287,261 of all domains
127 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.9 MB · 37 requests
- WordPress theme: lightning (child: lightning-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Link-USA
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Sakura Internet (112.78.125.195)
- DNS: Sakura Internet
- Email: link-usa.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 550,725, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.link-usa.jp | 24 |
| link-usa.jp | 20 |
| blog.link-usa.jp | 11 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025