HTML <html> tag
The <html> tag is the root of a web page; it is used to tell a browser that it is viewing an HTML document. It is essential to each page and contains all of the other HTML elements within it (with the exception of <!DOCTYPE>). The following sections contain information about this tag, including an example of its code, as well as related attributes and browser compatibility.
<head><!--Information about the page--></head>
Within an HTML tag, an attribute dictates certain aspects of an HTML element. Attributes are made up of a name and value pair; all tags support standard attributes. The following table shows all of the current unique attributes for the <html> tag, as well as a description of each.
|manifest||Designates the address of the document's cache manifest so it may be browsed offline|
|xmlns||Special attribute that is used if your content needs to conform to XHTML|
|All versions||All versions||All version||All versions||All versions|