What powers rejou.jp?
Last seen Oct 2026 · 10 technologies across 6 categories
Analytics
Google Analytics
since Jan 2019
CDN
JavaScript frameworks
Socket.io
since Jan 2019
JavaScript libraries
Programming languages
Web servers
Apache HTTP Server
since Sep 2019
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
- 93% phone
- 7% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.48 / 10 · ranked #6,665,190 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 19.7 MB · 154 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on FUTURE Future Spirits Co.,Ltd. (219.99.164.49)
- DNS: future-s.com
- Email: fsi.ne.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 18,308,913, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Treasure Data Feb 2026