HTML5 is the next Web programming standard.The key features of HTML5 are

Storage: Data can be stored on user’s computer or mobile device.so web apps work without an internet connection.

Type: Web pages can have flashier type with more fonts,shadows,colors and other effects.

Motion : Objects move on web pages and react to the movements of a cursor.

Games : Interactive games can run with just a web browser without installing other software or plug-ins.

Audio : Audio is played without a plug-in.

3D : A technology called WebGL can create interactive 3 – D effects using a computer’s graphics processor.

Video : Video can be embedded in a web page without a plug-in.