What powers 
red-entertainment.co.jp?
Last seen Sep 2026 · 17 technologies across 13 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
Web servers
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 61% phone
- 39% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #908,255 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.8 MB · 44 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Red Entertainment
- Founded: 1976
- Sector: video game industry
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (219.94.155.234)
- DNS: Onamae.com
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,219,699, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- detected Twitter Emoji (Twemoji) Aug 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025