Pls can someone tell me what this meta tag in html is all about.

Question

<meta></meta>

Answer 1

> Metadata is data (information) about data.

> The <meta> tagprovides metadata about the HTML document.

> Metadata will not be displayed on the page, but will be machine parsable. 

> Metaelements are typically used to specify page description, keywords, author of the document, last modified, and other metadata.

Answer 2

Metadata: Content that sets up the presentation or behavior of the rest of the content. These elements are found in the head of the document.
Elements: <base>, <link>, <meta>, <noscript>, <script>, <style>, <title>

Answer 3

Describe meta tag within an HTML document

meta data : Prepare the site for search spiders.

like:
<meta charset="UTF-8">
<meta name="description" content="Free Web tutorials">
<meta name="keywords" content="HTML,CSS,XML,JavaScript">
<meta name="author" content="John Doe">
<meta name="viewport" content="width=device-width, initial-scale=1.0">