Web browser how does it work

Web browser function starts with a user entering the desired URL Uniform Resource Locator into the address bar of the browser. The URL prefix provides the protocol used to access the location. Once the resource has been located and interpreted the browser will display the content to the user. Browsers can interpret and display content such as video, images, text, hyperlinks, and XML files.

The features of available web browsers range from minimal, text-based user interfaces with plain HTML support to rich user interfaces that support a wide range of file formats and protocols. All major web browsers allow users to access multiple websites at the same time, either in separate browser windows or in different tabs of the same window. Most web browsers can display a list of bookmarked web pages so that the user can quickly return to them. Furthermore, most browsers can be extended with plug-ins, which are downloadable components that add new functionalities.

Web browsers are now widely available and can be used on a variety of devices, including computers, laptops, and mobile phones, but the process of making browsers more affordable took many years. All web browsers perform the same functions. As a result, in addition to the various types, there are various web browsers that have been used over time. The very first web browser, In , the company was founded. Had very simple features and a graphical interface that was less interactive.

The bookmark feature was not available. It was first introduced in and was the second web browser to be released. It had a more appealing graphical user interface. The use of images, text, and graphics could all be combined. Marc Andreessen was the man in charge of the Mosaic development team. It came out in In terms of usage share in the s, it was the most popular browser. Netscape released new versions of this browser. It had a sophisticated licencing scheme that allowed for unrestricted non-commercial use.

Microsoft introduced it in Microsoft released nearly ten versions of Internet Explorer, each of which was gradually upgraded. It was first released in , and it was developed by the Mozilla Foundation. During , Firefox overtook Internet Explorer as the most popular browser and became the dominant browser.

With Firefox, location-aware browsing became possible. This browser is also available for mobile phones, laptops, and other mobile devices. Google introduced it in Multiple features from previous browsers were combined to create better and more modern features.

Google created the ad-blocking feature to protect computers from malware and keep user data safe and secure. This data is written in Hypertext Markup Language HTML and web browsers read this code to create what we see, hear and experience on the internet. Hyperlinks allow users to follow a path to other pages or sites on the web.

Every webpage, image and video has its own unique Uniform Resource Locator URL , which is also known as a web address. When a browser visits a server for data, the web address tells the browser where to look for each item that is described in the html, which then tells the browser where it goes on the web page. Websites save information about you in files called cookies. They are saved on your computer for the next time you visit that site. There are also cookies that remember more detailed information about you.

Perhaps your interests, your web browsing patterns, etc. This means that a site can provide you more targeted content — often in the form of ads. Sometimes you can block these kinds of cookies, though not all browsers allow you to. Nearly all major browsers have a private browsing setting. These exist to hide the browsing history from other users on the same computer. Many people think that private browsing or incognito mode will hide both their identity and browsing history from internet service providers, governments and advertisers.

Firefox goes beyond that. Firefox helps you be more private online by letting you block trackers from following you around the web. Most major web browsers let users modify their experience through extensions or add-ons. Extensions are bits of software that you can add to your browser to customize it or add functionality. Extensions can do all kinds of fun and practical things like enabling new features, foreign language dictionaries, or visual appearances and themes.

All browser makers develop their products to display images and video as quickly and smoothly as possible, making it easy for you to make the most of the web. They all work hard to make sure users have a browser that is fast, powerful and easy to use. The Browser Engine provides a link between the user interface and rendering engine. It manages and manipulates the rendering engine based on inputs from various user interfaces.

The Rendering Engine renders the requested web page on the browser screen. A web page is a document commonly written in HTML- rendering engine converts this document and data to an understandable format so that users can see the desired site, image, or video.

The rendering engine can also work with other types of data with the help of certain plugins and extensions. Below are the rendering engines used by major web browsers:. The Networking component handles internet communication and security. The JavaScript Interpreter, as the name suggests, interprets and executes the JavaScript code embedded in a website. The results then are sent to the rendering engine for display. UI Backend helps to draw basic widgets like a select box, an input box, window, a check box, etc.

It uses the underlying operating system user interface methods for the same. Whenever you click on a link or enter a URL, the browser sends and receives information or data to and from other parts of the web. The information it receives is rendered by the rendering engine and translated into an easily understandable format.

It is then displayed in the user interface. It involves a multi-step process including DNS resolution , HTTP exchange between browser and web server, rendering , and so on, as follows:.

It was first released in Firefox is a free and open-source web browser by Mozilla.