What powers kvb.jp?
Last seen Sep 2026 · 12 technologies across 9 categories
CDN
cdnjs
since Apr 2023
Cloudflare
since Apr 2023
Font scripts
Google Font API
since Apr 2023
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Apr 2023
UI frameworks
Video players
YouTube
since Aug 2025
Web servers
Apache HTTP Server
since Apr 2023
Widgets
SnapWidget
since Aug 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.68 / 10 · ranked #5,117,709 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 11.8 MB · 127 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (133.242.79.148)
- DNS: globalgate.ne.jp
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 15,648,608, 2 hosts
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 Apache HTTP Server Jul 2026
- detected Bootstrap Jul 2026
- detected cdnjs Jul 2026
- detected Cloudflare Jul 2026
- detected Google Font API Jul 2026
- detected Google Maps Jul 2026
- detected GSAP Jul 2026
- detected jQuery Jul 2026
- detected Lightbox Jul 2026
- detected Modernizr Jul 2026
- detected SnapWidget Jul 2026
- detected YouTube Jul 2026