7. Semantics & Markup HTML5 is not just about making existing markup shorter. It also defines new more meaningful elements. New form types and controls
8. Offline & Storage Local Storage Window.SessionStorage Window.LocalStorage File API
10. Connectivity More efficient connectivity means more real-time chats, faster games, and better communication. Web Sockets and Server-Sent Events are pushing data between client and server more efficiently than ever before.
14. Performance & Integration dynamic web content faster with a variety of techniques and technologies such as Web Workers and XMLHttpRequest 2.
15. Last Call On 26 May, the W3C’s HTML Working Group announced that the HTML5 specification has reached Last Call status. Last Call is the point at which W3C thinks the group’s work has reached a point of reasonable stability.