How much traffic really comes from phones, and what follows for layout, testing and the store. The articles use a measured share of mobile traffic instead of repeated estimates, show how to test a site on a phone so the result means something, and look at shopping on a small screen. A separate thread covers the choice between a mobile website, a PWA and an app from the App Store or Google Play. For businesses designing a site or wondering whether they need an app. Start with how much traffic really comes from phones.









