Is HTML5 ready for practical application?

W3C considers HTML5ImmatureBut FacebookDisagree with this opinion.

Supervises the production of the standard html5.Indicates: "The problem we are facing is that we have high expectations for HTML5, but it is a little too early because we have encountered interoperability problems ." In other words, what developers write does not have the same rendering on different browsers. FacebookProgramDavid recordon, the manager, proves on Facebook that some HTML5 technologies are available, such as geographic location interface applications and browsing history interfaces. In all fairness, HTML5 application topics are too complex to be determined in one sentence. Websites do not need to fully accept all HTML5 standards. The current maturity of different parts varies, and the degree of browser support is also different. Websites usually provide appropriate pages based on the type of browser they visit.

Link: http://developers.solidot.org/developers/10/10/14/095247.shtml