Browser: What is This


A browser is an application program that provides a way to look at and interact with all the information on the World Wide Web such as web pages, videos, and images. Google Chrome is currently the most used and popular browser.

The word “browser” originated before the Web as a generic term for user interfaces that allow you to browse (browse and read) text files online.

Today many people use web browsers to access the Internet and it is considered almost a necessity for those who surf in their daily life.

A web browser is a client program that uses Hypertext Transfer Protocol ( HTTP ) to make web server requests on the Internet on behalf of the browser user.

Most browsers support e-mail and File Transfer Protocol (FTP), but a web browser is not required for these Internet protocols, and more specialized client programs are more popular.

The topic Of This Post

  • 1 A brief history of the web browser
  • 2 Common features of browsers
  • 3 How a web browser works
  • 4 Most Popular Web Browsers

A brief history of the web browser

The first web browser, called WorldWideWeb, was created in 1990. That browser’s name was changed to Nexus to avoid confusion with the developing information space known as the World Wide Web.

The first graphical web browser was Mosaic, which appeared in 1993. Many of Mosaic’s user interface features have merged into Netscape Navigator. Microsoft followed with its Internet Explorer (IE).

Common features of browsers

Most web browsers share standard features such as:

  • A home button – which, when clicked, will take the user to a predefined homepage.
  • A web address bar, allows users to enter a web address and visit a website.
  • Forward and back buttons – which take the user to the previous or next page they were on.
  • Refresh – a button that can be used to reload a web page.
  • Stop – a button that stops a website from communicating with a web server, stopping the loading of a page.
  • Tabs – which allow users to open multiple websites in a single window.
  • Bookmarks – which allow the user to select specific and predefined websites by the user.

Many browsers also offer plug-ins or extensions, which extend the browser’s capabilities. These plug-ins can allow users, for example, to use activities such as adding security features.

How a web browser works

Web browsers function as part of a client/server model. The client is the browser, which works on the user’s device and makes requests to the web server, while on the server-side, it is the webserver that sends the information to the browser. The browser interprets and displays information about the user’s device.

Web browsers are usually composed of a series of interoperable parts. This includes the user interface (UI), which is the level at which the user interacts with the browser.

The browser engine is what queries the rendering engine, and the rendering engine is what makes the requested web page – interpret HTML or XML documents.

Networking is what manages security and communication on the Internet. A JavaScript interpreter is used to interpret and execute JavaScript code on a website of saving bond.

The UI backend is used to create widgets like windows. Additionally, a persistence layer, called persistence or data storage, manages data such as bookmarks, caches, and cookies.

Google Chrome is currently one of the most used browsers. Other browsers include:

  • Firefox – which was developed by Mozilla.
  • Microsoft Edge – used a replacement for Internet Explorer, with Windows 10.
  • Internet explorer – relegated to the past, Microsoft has mostly replaced Internet Explorer with Edge.
  • Safari – a browser for Apple computers and mobile devices.
  • Lynx – a text-only browser for UNIX shell and VMS users.
  • Opera – a fast and stable browser, compatible with most operating systems.
By aamritri

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