We live in a mobile-first age . A mobile phone is the most popular device used to connect internet searches and to browse websites . All the sites optimised for search engines should give their websites ' mobile layouts equal opportunities rather than just bolting on to simple responsive website design . With massive technological progress and greatly advanced mobile data networks , your future customers are using mobile as the first , and often the only device to interact with your business . To create a truly mobile-friendly network and maximise mobile search results , you must think of mobile users ' needs and demands . What a user does on the mobile phone is often far different from what they do on a desktop computer . The crucial first touch may well be on a mobile phone . Mobile-friendliness is a confirmed ranking factor for mobile search . From an SEO perspective , it is worthwhile to mention that , it is the mobile version ofyour site that the search will take note toreview and rank your site . However , more importantly , your prospective customers are searching for your product and browsing your site through mobile . Work hard on optimising user experience for all mobile users , and you will reap the rewards of your efforts in terms of traffic and user engagement .