It is an open source multiplatform platform, so it is very accessible to all users.
HTML5 includes new elements and JavaScript APIs to improve storage, multimedia, and hardware access.
It was the successor to previous versions of HTML and introduced new elements and capabilities in the language in addition to the previous version, HTML 4.01, in addition to improving or removing some existing functions.
An HTML element is distinguished from other text in a document by "tags", which consist of the element name surrounded by "<" and ">". The name of an element within a tag is not case-sensitive.