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Web browsers

  1. 1. WEB BROWSERS PRESENTED BY: T.DHANALAKSHMI
  2. 2. CONTENTS • INTRODUCTION • HISTORY • TYPES OF WEB BROWSERS • ADVANTAGES • DISADVANTAGES • CONCLUSION
  3. 3. INTRODUCTION 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 pages many differs between browsers.
  4. 4. HISTORY The first web browser was invented in 1990 by Sir Tim Berners-Lee. Berners-Lee is the director of the World Wide Web Consortium. The first commonly available web browser with a graphical user interface was Erwise. The development of Erwise was initiated by Robert Cailliau. In 1993, browser software was further innovated by Marc Andreessen with the release of Mosaic, "the world's first popular browser". FOUNDER OF WWW (WORLDWIDEWEB) SIR TIMBL
  5. 5. TYPES OF WEB BROWSERS • NETSCAPE • INTERNET EXPLORER • MOZILLA FIREFOX • SAFARI • TORCH • UC BROWSER • OPERA • GOOGLE CHROME • MICROSOFT EDGE
  6. 6. NETSCAPE Marc Andreessen was the inventor of Netscape.he released the Mosaic-influenced Netscape Navigator in 1994, which quickly became the world's most popular browser, accounting for 90% of all web use at its peak. Netscape Browser (or Netscape 8) is the eighth major release of the Netscape series of web browsers, now all discontinued. It was published by AOL, but developed by Mercurial Communications, and originally released for Windows on May 19, 2005.
  7. 7. INTERNET EXPLORER IT was developed by Microsoft, and initially released at August 16th 1995.Internet Explorer was one of the most widely used web browsers, attaining a peak of about 95% usage share during 2002 and 2003. This came after it managed to win the first browser war against Netscape, which was the dominant browser in the 1990s. Its usage share has since declined with the launch of Firefox (2004) and Google Chrome (2008), and with the growing popularity of operating systems such as OS X, Linux, iOS and Android that do not run Internet Explorer.
  8. 8. MOZILLA FIREFOX FIREFOX was Initially released on September 23rd 2002.it is also named as "PHOENIX". Firefox is available for Windows, OS X and Linux operating systems, with its mobile versions available for Android, and Firefox OS; where all of these versions use the Gecko layout engine to render web pages, which implements current and anticipated web standards, but an additional version released in late 2015 – Firefox for iOS has also been made available – that doesn't use Gecko.
  9. 9. SAFARI Safari is a web browser developed by Apple based on the WebKit engine. First released in 7th January 2003 with Mac OS X Panther, a mobile version has been included in iOS devices since the introduction of the iPhone in 2007. It is the default browser on Apple devices. A Windows version, now discontinued, was available from 2007 to 2012.
  10. 10. TORCH Torch is based on the Chromium source code. Torch's most recent version, 39.0.0.9626, uses Chromium version 40, making it compatible with all add-ons and extensions available in the Chrome store. On June 18, 2013, Torch announced that it had surpassed 10 million active users.it is a commercially freeware.
  11. 11. UC BROWSER UC Browser is a mobile browser developed by Chinese mobile Internet company UC Web. Originally launched in April 2004 as a J2ME-only application, it is available on platforms including Android, iOS, Windows Phone, Symbian, Java ME, and BlackBerry. According to StatCounter, UC browser is the second most used mobile web browser worldwide, passing Safari in October 2015.
  12. 12. OPERA Opera is a web browser developed by Opera Software. The latest version is available for Microsoft Windows, OS X, and Linux operating systems, and uses the Blink layout engine. An earlier version using the Presto layout engine is still available, and additionally runs on FreeBSD systems. According to Opera Software, the browser had more than 350 million users worldwide in the 4th quarter 2014. Total Opera mobile users reached 291 million in June 2015.
  13. 13. GOOGLE CHROME Google Chrome is a freeware web browser developed by Google. It used the WebKit layout engine until version 27 and with the exception of its iOS releases, from version 28 and beyond uses the WebKit fork Blink. It was first released as a beta version for Microsoft Windows on September 2, 2008, and as a stable public release on December 11, 2008.
  14. 14. GOOGLE PANDA Google Panda is a change to Google's search results ranking algorithm that was first released in February 2011. The change aimed to lower the rank of "low-quality sites" or "thin sites", and return higher-quality sites near the top of the search results.
  15. 15. GOOGLE PENGUIN Google Penguin is a codename for a Google algorithm update that was first announced on April 24, 2012. The update is aimed at decreasing search engine rankings of websites that violate Google’s Webmaster Guidelines by using now declared black-hat SEO techniques involved in increasing artificially the ranking of a webpage by manipulating the number of links pointing to the page.
  16. 16. GOOGLE HUMMINGBIRD Google started using Hummingbird about August 30, 2013, and announced the change on September 26 on the eve of the company's 15th anniversary. Google said that Hummingbird is paying more attention to each word in a query, ensuring that the whole query the whole sentence or conversation or meaning is taken into account.
  17. 17. GOOGLE PIGEON Google Pigeon is the code name given to Google latest local search algorithm update. This update was released on July 24, 2014. The update is aimed to increase the ranking of local listing in a search. The changes will also effect the search results shown in Google Maps along with the Google regular search results. As of now its release in US English results and will shortly released in other languages and locations too.
  18. 18. MICROSOFT EDGE Microsoft Edge is a web browser developed by Microsoft and included in the company's Windows 10 operating systems, replacing Internet Explorer as the default web browser on all device classes. It does not support browser extensions, ActiveX, or Browser Helper Objects, but adds new features such as integration with Cortana, annotation tools, and a reading mode.
  19. 19. ADVANTAGES • Availability of mainly free information • Low cost of initial connection • Reduces the costs of divulgation • The same protocol of communication can be used for all the services • Facilitates rapid interactive communication • Facilitates the exchange of huge volumes of data • Facilitates the establishment of professional contact • No barriers to divulgation • Facilitates access to different sources of information, which is continously up-dated • Facilitates management of companies information system • lt is accesible from anywhere • It has become the global media
  20. 20. DISADVANTAGES • Danger of overload and excess information • It requires an efficient information search strategy • The search can be slow • It is difficult to filter and prioritize information • No guarantee of finding what one is looking for • There is a lot of apparently unconnected information • Net becomes overloaded because of large number of users • No regulation • No quality control over available data • The Case with which information can be constantly up-dated can cause problems of refencing
  21. 21. CONCLUSION A web browser opens a connection to a web server based on the URL entered by the user. The URL specifies the protocol to use, typically http for web servers. The last entry in the URL includes the directory and file names that the browser is looking for. Web Browsers are of different kinds but all are used to search what we want from web, the browsers differ from each and every one, the action they perform was same. Some browsers above are more effective compared to others.
  22. 22. ANY QUERIES ?

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