What powers c-vk.com?
Last seen Oct 2026 · 11 technologies across 9 categories
Advertising
Analytics
Blogs
Font scripts
Miscellaneous
Performance
Programming languages
Security
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 Oct 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
0.28 / 10 · ranked #60,109,396 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- CDN: Google
- Weight: 1.0 MB · 44 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: Muumuu Domain
- Email: no MX record returned
- SSL: Google Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,034,017
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
- detected Priority Hints Sep 2026