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Web browser

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Web browser (ẹ̀rọ afọ̀nàhan Web, ètó ẹ̀rọ-ònkà ìsíwò ojúewé aláùntakùn).

A web browser is a software application which enables a user to display and interact with text, images, videos, music, games and other information typically located on a Web page at a website on the World Wide Web or a local area network. Text and images on a Web page can contain hyperlinks to other Web pages at the same or different website. Web browsers allow a user to quickly and easily access information provided on many Web pages at many websites by traversing these links. Web browsers format HTML information for display, so the appearance of a Web page may differ between browsers.

Some of the Web browsers currently available for personal computers include Internet Explorer, Mozilla Firefox, Safari, Netscape, Opera.[2], Avant Browser, Konqueror, Google Chrome, Flock, Arachne, Epiphany, K-Meleon and AOL Explorer. Web browsers are the most commonly used type of HTTP user agent. Although browsers are typically used to access the World Wide Web, they can also be used to access information provided by Web servers in private networks or content in file systems. Contents [hide]

   * 1 History
   * 2 Protocols and standards
   * 3 See also
   * 4 References

[edit] History

   Main article: History of the web browser

The history of the web browser dates back to late 1980s when a variety technologies laid the foundation for the first web browser, the WorldWideWeb, by Tim Berners-Lee in 1991, which brought together a variety of existing and new software and hardware technologies.

[edit] Protocols and standards

Web browsers communicate with Web servers primarily using HTTP (hypertext transfer protocol) to fetch webpages. HTTP allows Web browsers to submit information to Web servers as well as fetch Web pages from them. The most commonly used HTTP is HTTP/1.1, which is fully defined in RFC 2616. HTTP/1.1 has its own required standards that Internet Explorer does not fully support, but most other current-generation Web browsers do.