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Web browserA web browser is a software package that enables a user to display and interact with HTML documents hosted by web servers. The largest networked collection of these documents is known as the World Wide Web.
Communication between the web server and the browser uses primarily the HTTP protocol. Most browsers also support other protocols, such as FTP, Gopher, and HTTPS (a SSL encrypted version of HTTP). Web browsers are able to retrieve documents stored in other file formats or in streams using these other protocols, but also using HTTP. This allows the author to embed images, animations, video and sound into a web page, or to make them accessible through the web page.
Some of the more popular browsers include additional components to support Usenet news and e-mail via the NNTP, IMAP and POP protocols. Most web browsers have the ability to save a file of bookmarks for sites the user has visited (or will often want to).
Early web browsers supported only a very simple version of HTML. The rapid development of proprietary web browsers led to the development of non-standard dialects of HTML, leading to problems with Web interoperability. Modern web browsers (such as Mozilla, Opera, and Safari) support standards-based HTML and XHTML (starting with HTML 4.01), which should display in the same way across all browsers.
Examples of web browsers
Internet Explorer-based browsers
Early browsers which are no longer being further developedHistory of the Internet, Browser exploit, Browser-based software
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