Building Smartphone-Optimized Websites +
Sites that use responsive web design, i.e. sites that serve all devices on the same set of URLs, with each URL serving the same HTML to all devices and using just CSS to change how the page is rendered on the device. This is Google’s recommended configuration.
Googles rekommendationer om hur man bör hantera innehåll för mobila enheter. En bra anledning till varför man faktiskt bör bygga med Responsive Web Design.