Document's head section

The document's head contains elements with useful information about the current page and/or the website. Search engines are often interpreting the head's elements in order to index...

Document's title (<title>)

Document's title is a required element in HTML and there is only one allowed per page. The title element's content is used as a page title in a browser's toolbar and in the brow...

Meta data (<meta />)

Document's meta data provide or can provide a lot of information about the loaded document. The most common meta data added are page description, keywords, copyright information, author...

External documents relationship (<link />)

The link element can be placed only in the document's head section and it is u...

Document's base URI path (<base />)

The base element can be used to specify the base URI for other links within the d...

Style element (<style>)

The Cascading Style Sheets (CSS) are used for styling the web content and to help separate layout from presentation. They can be added to HTML page in three ways:

Script element (<script>, <noscript>)

The script element is used to define a client side script code with the most common being the JavaScript. The <script> tag in the document's hea...