What powers 
otaclub.jp?
Last seen Aug 2026 · 21 technologies across 14 categories
Analytics
CMS
Databases
Ecommerce
Font scripts
JavaScript Frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
UI frameworks
Web frameworks
Web servers
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
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 66% desktop
- 32% phone
- 3% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.67 / 10 · ranked #779,108 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese (Japan)
- Weight: 142.0 MB · 311 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 同人誌印刷・グッズ制作｜同人誌印刷所おたクラブ
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Xserver (157.112.149.165)
- DNS: xbiz.ne.jp
- Email: otaclub.jp
- Email security: SPF (soft fail), DMARC quarantine
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 8,100,772
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| otaclub.jp | 14 |
| ea.otaclub.jp | 9 |
Full technology history →
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Recent changes
- detected Amazon SES Jan 2026
- detected Amazon Web Services Jan 2026