HTML5: is a mark-up language to structure and present content on World Wide Web. Depended on by users to understand the content provided, reading various contents is made easy with it. The commendable features designed and provided in it can be used even in low-powered devices. Designed to improve the language via the latest multimedia, it is easily readable by individuals and can be understood by computers as well. HTML5 is highly-dependable to access content quickly and helps in playing audio/video precisely without interruptions. Highly dependable as it works with various browsers, it also helps one to write clear and descriptive code, semantic codes and in describing the content precisely. Allowing storage across multiple windows, Apps can be created effortlessly replete with storage of data in user’s browser without third party plugins while heightening the ability to cache data and load the user’s previous application state. Bringing new dimensions to the power of interactions, providing the right features to develop games, enhancing browser to the best user-friendly one and aiding in Mobile Web Application Development, HTML5 is indeed the spine in Web World. Deemed the futuristic technology, it is the popular web feature with cross-platform compatibility that works on different mobile operating systems including iOS, Android, Windows phones and Blackberry. Requiring no manual updates, its App developers do not need to support multiple version of Apps. Well-suited for the emerging markets, App India professionals adopt this technology to stay updated and enhance the reach to a large number of clients globally.