What powers connect21.jp?
Last seen Jun 2026 · 18 technologies across 12 categories
Advertising
Twitter Ads
since May 2025
Analytics
Google Analytics
since May 2025
Authentication
Facebook Login
since May 2025
CDN
Cloudflare
since May 2025
jQuery CDN
since May 2025
JavaScript libraries
Slick
since May 2025
Miscellaneous
Open Graph
since May 2025
Operating systems
UNIX
since May 2025
Programming languages
Security
Cloudflare Bot Management
since May 2025
Web server extensions
Web servers
Widgets
Twitter
since May 2025
Audience
- 67% phone
- 33% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.47 / 10 · ranked #26,268,051 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.4 MB · 105 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025