Ready.mobi is a really great resource:

The ready.mobi testing tool evaluates mobile-readiness using
industry best practices & standards. The free report provides
both a score (from 1 to 5) and in-depth analysis of pages to
determine how well your site performs on a mobile device.

Visit http://ready.mobi/ and test out your
site.

Written by

Fred Simmons

As a Managing Partner and the Director of User Experience at Gulo, Fred enjoys making website interactions more natural and improving UX design. Outside of work, Fred enjoys golf, BBQ, craft beer, movies where the bad guy wins, comma-separated lists, and talking about himself in the third person.