What powers 
first-contact.jp?
Last seen Oct 2026 · 28 technologies across 16 categories
Advertising
Analytics
Authentication
Blogs
CDN
Databases
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
Web servers
Widgets
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 86% desktop
- 14% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.30 / 10 · ranked #434,922 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 8.7 MB · 244 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (54.64.33.252)
- DNS: Amazon Route 53
- Email: Amazon SES / WorkMail
- Email security: SPF (soft fail), no DMARC record
- SSL: CloudSecure Corporation, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 9,899,989, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| first-contact.jp | 22 |
| blog.first-contact.jp | 11 |
| llm.first-contact.jp | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Clarity Jul 2026