What powers rbcv.co.jp?
Last seen Aug 2026 · 26 technologies across 15 categories
Advertising
Affiliate programs
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Web servers
WordPress plugins
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
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.49 / 10 · ranked #2,515,475 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| CLS | 0.05 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 10.5 MB · 122 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INFOSPHERE NTT PC Communications, Inc. (111.89.135.117)
- DNS: customer.ne.jp
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC quarantine
- SSL: GlobalSign, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 15,441,159
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Google Tag Manager Jul 2026