Guidelines are considered to be the best resource that designers and developer can use to ensure that the applications and web sites they produce are usable. Operating systems, devices, and development environments are very specific in nature. Because of this, their manufacturers have devised their own set of usability, user experience and user interface guidelines.
via Official Usability, UX & UI Guidelines From Companies | Usability Geek.
The official user interface (UI) and user experience (UX) guidelines from the manufacturers, links to which you can find below, are a source of inspiration for mobile web and application design. Here, you will find guidelines, samples, tips, and descriptions of common mistakes. Many of the guidelines focus on native application development, but we can apply most parts of them to mobile web design.
via Simon Whatley – User Interface Guidelines for Mobile and Tablet Devices.
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via Wirify – The web as wireframes.
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