What powers 
u-site.jp?
Last seen Aug 2026 · 16 technologies across 14 categories
Analytics
CDN
CMS
Databases
Font Scripts
JavaScript Frameworks
Miscellaneous
Page builders
Programming languages
SEO
Tag managers
Web Frameworks
Web Servers
Webmail
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 not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| what is usable | #96 | 1 |
| hotjava | #79 | 1 |
| gulf of evaluation | #71 | 0 |
| hcii 2024 | #32 | 0 |
| information foraging | #96 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 82% desktop
- 18% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.53 / 10 · ranked #155,639 of all domains
136 referring domains · OpenPageRank
Search traffic
2 est. monthly organic visits (US)
5 keywords in Google's top 30
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.6 MB · 42 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on BBTOWER BroadBand Tower, Inc. (203.216.199.169)
- DNS: bbtower.ne.jp
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,079,578
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| u-site.jp | 14 |
| www.u-site.jp | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected WordPress Block Editor Nov 2025