www.google.com/webmasters/tools/mobile-friendly/

This test will analyze a URL and report if the page has a mobile-friendly design.

w3c.github.io/developers/tools/

Developer Tools from W3C Developers

www.submitinme.com/home/responsive.aspx

Mobile Internet Users Are On The Rise !

How does your website currently look on mobile devices ? Go ahead! See It Yourselves...