What is the main function of Internet Browser?

The browser's main Functionality

The browser main practicality is to gift the net resource you select, by requesting it from the server and displaying it on the browser window. The resource is typically associate degree markup language document, however can also be a PDF, image, or different kind. the placement of the resource is such by the user employing a URI (Uniform resource Identifier).

The method the browser interprets and displays markup language files is per the markup language and CSS specifications. These specifications ar maintained by the W3C (World Wide net Consortium) organization, that is that the standards organization for the net.
For years browsers conformed to solely a district of the specifications and developed their own extensions. That caused serious compatibility problems for net authors. these days most of the browsers additional or less adjust to the specifications.

Browsers' interface have plenty in common with one another. Among the common interface parts are:

•     Address bar for inserting the URI
•     Back and forward buttons
•     Bookmarking choices
•     A refresh and stop buttons for refreshing and stopping the loading of current documents
•     Home button that gets you to your home page

Strangely enough, the browser's interface isn't per any formal specification, it simply comes from sensible practices formed over years of expertise and by browsers imitating one another. The HTML5 specification does not outline UI parts a browser should have, however lists some common parts. Among those ar the address bar, standing bar and gear bar. There are, of course, options distinctive to a particular browser like Firefox's downloads manager.