Google recently published a 108 page eBook filled with proven advice for increasing sales. The insights are based on scientific A/B testing and includes citations to a wide range of research and articles. The information in this free book is a virtual gold mine.

‘Collection of best practices to delight your users’ is the subtitle of the document that seems to have been placed online in the second half of this month. Remarkably, Google itself does not refer to the playbook, which builds on the 25 design principles for mobile sites and apps from retailers and provides a checklist to improve the mobile user experience in six areas:


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