This from Google … “we’re introducing an easy way to measure your site’s performance across devices—from mobile to desktop—and give you a list of specific fixes that can help your business connect more quickly with people online.”
Sample report after testing our GISuser.com
From the Google Business blog…
Why you should test your site Your customers live online. When they need information or want to find a nearby store or product, they grab the nearest device. On average, people check their phones more than 150 times a day,2 and more searches occur on mobile phones than computers.3 But if a potential customer is on a phone, and a site isn’t easy to use, they’re five times more likely to leave.