Meta Tags provides information about the webpage in the HTML of the document. This information is called “metadata” and while it is not displayed on the page itself. They are pieces of information you use to tell the search engines and those viewing your site more about your page and the information it contains **<meta></meta>**.
Meta tags include:
- Charset keywords
- Description author
- Refresh time
- Viewport
The base tag specifies the base URL or a target for all the related URLs in a document. It must have either a natural or a target attribute present. You can define the base URL one time in the head tag if your page is having multiple calls from the base URL.