Difference between HTML Versiions
In HTML, audio and video requires external software support.
In HTML5, audio and video has internal specifications and has separate tags ie
In HTML, finding correct GeoLocation is impossible.
In HTML5, JS GeoLocation API helps in identifying location.
HTML is a markup language that is used to build static (non interactive and nonanimated) webpages.
HTML5 is the latest revision of HTML containing much better support for media like video and audio tags.