What is Web Browser and its Features.

                    Web Browser



A web browser (commonly referred to as a browser) is a software user agent for accessing information on the World Wide Web. To connect to a website's server and display its pages, a user needs to have a web browser program. This is the program that the user runs to download, format and display a web page on the user's computer.

In addition to allowing users to find, displaying and moving between web pages, a web browser will usually have features like keeping bookmarks, recording history, managing cookies (see below) and home pages and may have facilities for recording passwords for logging into web sites.

The most popular browsers are Chrome, Firefox, Safari, Internet Explorer, and Edge.


Function.

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The purpose of a web browser is to fetch information resources from the Web and display them on a user's device.
This process begins when the user inputs a URL, such as https://www.besttechy.cf/, into the browser. Virtually all URLs on the Web start with either http: or https: which means the browser will retrieve them with the Hypertext Transfer Protocol. In the case of https:, the communication between the browser and the web server is encrypted for the purposes of security and privacy. Another URL prefix is file: which is used to display local files already stored on the user's device.
Once a web page has been retrieved, the browser's rendering engine displays it on the user's device. This includes image and video formats supported by the browser.
Web pages usually contain hyperlinks to other pages and resources. Each link contains a URL, and when it is clicked, the browser navigates to the new resource. Thus the process of bringing content to the user begins .

Features.

The most popular browsers have a number of features in common. They allow users to set bookmarks and browse in a private mode. They also can be customized with extensions and some of them provide a sync service.
Most browsers have these user interface features:
  • Allow the user to open multiple pages at the same time, either in different browser windows or in different tabs of the same window.
  • Back and forward buttons to go back to the previous page visited or forward to the next one.
  • refresh or reload button to reload the current page.
  • stop button to cancel loading the page. (In some browsers, the stop button is merged with the reload button.)
  • home button to return to the user'shome page.
  • An address bar to input the URL of a page and display it.
  • A search bar to input terms into asearch engine. (In some browsers, the search bar is merged with the address bar.)
There are also niche browsers with distinct features. One example is text-only browsers that can benefit people with slow Internet connections or those with visual impairments.

Security.

Web browsers are popular targets for hackers, who exploit security holes to steal information, destroy file and other malicious activity. Browser vendors regularly patch these security holes, so users are strongly encouraged to keep their browser software updated. Other protection measures are antivirus software and avoiding known-malicious websites.

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