What powers rt-hub.jp?
Last seen Oct 2026 · 7 technologies across 5 categories
CDN
Cloudflare
since Nov 2024
Miscellaneous
HTTP/3
since Nov 2024
Open Graph
since Nov 2024
Page builders
Canva
since Nov 2024
Security
Cloudflare Bot Management
since Nov 2024
HSTS
since Nov 2024
Webmail
Google Workspace
since Nov 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 3.4 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese (Japan)
- CDN: Cloudflare
- Weight: 2.4 MB · 16 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (103.169.142.0)
- DNS: Onamae.com
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 39,005,610
- Verified with: OpenAI
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted