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![version 9.0, published on March 14, 2011, [5] and is available as a free update for Windows Vista SP2 or Windows Server 2008 SP2, in addition to Windows 7 and Windows Server 2008 R2. Operating systems Windows XP, Windows 2003 and earlier are not supportedInternet Explorer includes the following security features:Highlight the domain, which allows you to more easily see the actual web address of the web sites you visit. Avoids misleading web sites or phishing (phishing) using Web addresses to trick wrong. Visit the real domain is highlighted in the address bar.SmartScreen filter, which can help protect you from phishing attacks (phishing) online, fraud and websites with the impersonated identity (spoofing) or malicious.Manager of complements, which allows you to disable or enable Web browser add-ons and delete unwanted ActiveX controls.The site scripting filter (XSS) attacks avoiding fraudulent sites and phishing that could try to steal your personal and financial information.A secure connection (SSL) using 128-bit secure websites. This helps Internet Explorer to create an encrypted connection to the websites of banks, online stores, medical sites or other organizations that handle sensitive customer information.Internet Explorer uses a zone-based security groups and sites on certain conditions, even if it's an Internet or Web-based intranet and a user on the whitelist. Security restrictions apply for each zone, all sites in an area subject to restrictions.](https://image.slidesharecdn.com/assignment-110405203933-phpapp02/75/web-browser-7-2048.jpg)
web browser
- 1. PAULA ANDREA MOGOLLÓNGARCÍAWEB BROWSERS
- 2. INTERNET EXPLORERis aweb browser developed by Microsoft for the Microsoft Windows operating system since 1995. Has been the most widely used web browser Internet from 1999 to present.Its newest version 9.0, published on March 14, 2011. Internet Explorer has been designed for a wide range of web pages. Is very slow.
- 3. VERSIONSInternet Explorer 1.0debuted in August 1995. Included with Microsoft Plus! for Windows 95 and OEM versions of the operating system.Internet Explorer 2.0 was released for Windows 95, Windows NT 3.5 and NT 4.0 in November 1995 (after a beta in October). Includes support for SSL encrypted connections, plus support for cookies, VRML, RSA, and Internet newsgroups.Internet Explorer 3.0 was released in August 1996 and became the first widely used version of Internet Explorer. Developed the first version without the source code of Spyglass.Internet Explorer 4.0, released in September of 1997 deepened the level of integration between the browser and the underlying operating system. Integration with Windows, however, was widely criticizedInternet Explorer 5.0 presided over a huge increase in market share of Netscape Navigator, between 1999 and 2001, and offers many advanced features for its day.
- 4. Internet Explorer 6.0fue lanzado al mercado el 27 de agosto de 2001, poco después de que Windows XP fuera terminado. Esta versión incluía mejoras en DHTML y el apoyo parcial de nivel 1 de CSS, DOM (nivel 1) y SMIL (2.0).
- 5. Internet Explorer 7was released on October 18, 2006. Included bug fixes, enhancements to its support of standards, tabbed browsing with preview functionality, configurable search box to use multiple engines, web feed reader, support for Internationalized Domain Names (IDN) and a filter Phishing (anti-phishing). For security reasons, he split the integration with the Windows desktop.
- 6. Internet Explorer 8is the latest version of Internet Explorer, published on March 19, 2009. Development process began in August 2007. On March 5, 2008, was released a first public beta version (English only), set to an audience of developers and web designers. On August 27, 2008, was released a second public beta (Beta 2), available in more languages, including Spanish. On December 11, 2008, we launched a pre-RC1 included in the beta of Windows 7 Pre-RC1 is only included in the beta of Windows 7 and it was not for download. On January 26, 2009 was released its latest draft, with this so-called RC 1. IE8 is compatible with Windows XP Service Pack 2 and 3.
- 7. version 9.0, publishedon March 14, 2011, [5] and is available as a free update for Windows Vista SP2 or Windows Server 2008 SP2, in addition to Windows 7 and Windows Server 2008 R2. Operating systems Windows XP, Windows 2003 and earlier are not supportedInternet Explorer includes the following security features:Highlight the domain, which allows you to more easily see the actual web address of the web sites you visit. Avoids misleading web sites or phishing (phishing) using Web addresses to trick wrong. Visit the real domain is highlighted in the address bar.SmartScreen filter, which can help protect you from phishing attacks (phishing) online, fraud and websites with the impersonated identity (spoofing) or malicious.Manager of complements, which allows you to disable or enable Web browser add-ons and delete unwanted ActiveX controls.The site scripting filter (XSS) attacks avoiding fraudulent sites and phishing that could try to steal your personal and financial information.A secure connection (SSL) using 128-bit secure websites. This helps Internet Explorer to create an encrypted connection to the websites of banks, online stores, medical sites or other organizations that handle sensitive customer information.Internet Explorer uses a zone-based security groups and sites on certain conditions, even if it's an Internet or Web-based intranet and a user on the whitelist. Security restrictions apply for each zone, all sites in an area subject to restrictions.
- 8. Mozilla Firefoxis afree web browser, open source, in which development can help anyone who wants it. Mozilla Firefox is the second most used Internet browser. To view web pages, Firefox uses the Gecko rendering engine, which implements current web standards and other functions, some of which are intended to anticipate likely additions to web standards.Includes tabbed browsing, spell checker, incremental find, live bookmarks, a download manager, private browsing, navigation and geo integrated search system that uses the search engine you want the user. Is the most secure.
- 9. versionsVersion1.5 It wasreleased on November 30, 2005. The original plan was to publish first 1.1 and then 1.5, but after the first alpha versions, the Mozilla Foundation gave version 1.1Version 2.0 was released on October 24, 2006. This version includes updates to the tabbed browsing, an extension manager, the GUI, the restoration of the session, a spelling checker and an anti-phishing.version 3.0 was published on June 17, 2008 by the Mozilla Corporation. Using version 1.9 of the Gecko rendering engine to display web pages. The new version fixes some bugs, improves standard compliance, and implements new web APIs.Version 3.5 Shiretoko call was launched on June 30, 2009. It is compatible with the tag as defined <video> <audio> and HTML 5 specification, in which native support for free codecs Ogg Theora and Ogg VorbisVersion 3.6 was launched on January 21, 2010, which includes notable changes such as eliminating the XPCOM API.Version 4.0 Launched on March 22, 2011, Firefox 4 (Tumucumaque) is the current latest stable version.
- 10. securityFirefox uses asandbox security. Use SSL / TLS to protect communications with web servers using strong cryptography when using the https protocol. It also provides support for smart cards for authentication. It has an antiphishing protection, antimalware and integration with antivirus. Also, and as reasonable as that has caused controversy, Firefox does not include support ActiveX systems due to the Mozilla Foundation's decision not to include to have security vulnerabilities.
- 11. Google chromeis aweb browser developed by Google and compiled based on open source components like WebKit rendering engine and application development framework (framework). Google Chrome is the third most widely used Internet browser with a market share of 10.93% in late February 2011 and has over 120 million users, noted for its accessibility. Is available for free under conditions of service. The browser name derives from the term used for the framework of graphical user interface ("chrome"). Is the faster web browser.
- 12. versions0.2:September 2 ,2008Peel browser tabs, incognitomode, multi-tabbed, quick access tocommon sites, create shortcuts to web applications with GoogleGears. "Google Suggestions" within Omnibox. Bookmark Manage1: December 11 ,2008Export and import bookmarks, V8 engine upgrade for more speedin JavaScript.2: May 21, 2009Disponible en 50 idiomas, más de 300 bugs corregidos, opción de borrar sitios frecuentes en el acceso rápido a sitios. Autocompletado de formularios, zoom a página completa.3: September 15, 2009added support for HTML5 tags <canvas>, <audio> and <video>, newpage for quick access to common sites, support for visual themes,passes the Acid3 test (100/100).4: January25, 2010Chrome Beta for Linux (Debian / Ubuntu / Fedora / openSUSE 32 and 64 bits). Chrome Beta for Mac OS X (10.5 "Leopard" or greater, Intel only)
- 13. 5: May 25,2010Stable version for Windows, Linux, and Mac. New features inHTML5: Geolocation, App Cache, Socket web, drag and drop files.6: September 2, 2010It has auto-complete forms, timing and synchronization extensions form data, and selection of items that you want to sync online.7: October 19, 2010In this release hundreds of bugs fixed. More protocols are included for HTML5 and File API, parser algorithms, and content upload directory.8: December 2, 2010This version has fixed over 800 bugs and stability improvements. The PDF reader is enabled by default part of the Chrome sandbox security without the need to install third party software to read PDF files.9: February 3, 2011The Chrome Web Store is open to all users, added a link to the Web Store on the page "New Tab", and added two sample applications.10: March 8, 2011New version of the V8 JavaScript engine (Crankshaft), with a noticeable speed increase by 66% compared to version 9 of Google Chrome.11: March 22, 2011Launching a new logo Google's minimalist Chrome. GPU-enabled3D acceleration CSS, allowing you to add 3D effects using CSS.
- 15. OperaOpera is a web browser and Internet suite developed by theNorwegian company Opera Software, able to perform multiple taskssuch as browsing websites, manage email, contacts, web feeds, chat via irc and / or be a bittorrent client. Opera has been a pioneerin incorporating many features that today can be seen in other web browsers, such as tabs, integrated search, zoom.
- 16. characteristicsoffer language support: Supports a lot of languages, includingSpanish, although there are Spanish-language website since the end of 2010.Browse with mouse gestures: Navigate and / or perform functions of a browser using mouse movements.Speed Dial: home page with thumbnails of selected sites.Bit Torrent: built-in Torrent client.Anti-fraud protection: detects insecure and phishing sites.Widgets: small applications developed by users.Thumbnail Preview: When you pass the cursor over a tab, the preview.Bin stores all closed tabs in the session closed tabs, being able torestore or empty the contents to user's decision.Navigation voice: English Only for Windows 2000/XP.Delete private data. It allows one click delete cookies, data and password protected pages, cache, history of visited pages, written address history, visited links history, history of downloaded files and other private information.
- 17. last versionsFrom the February 13,2006, Opera has maintained a good momentum of development, releasing new versions on a weekly basis for various PC platforms currently being developed for(Windows, Mac and Unix), in which errors are fixed and test new features. Different versions of these weekly publications can be followed on a blog especially for it.Opera 10, code-named Peregrine (Falco peregrinus like), has more improvements. The new features are an improved user interface, enhanced standards support, software bug fixes, performance improvements focused mainly java script, and new tools for web developers.
- 18. safariSafari is a closed source web browser developed by Apple Inc. It isavailable for Mac OS X, Ios (the system used by the iPhone, iPod Touch and the IPAD) and Microsoft Windows.Includes tabbed browsing, spell checker, incremental find, view of history in Cover Flow, download manager and integrated search system.
- 19. Safari includes tabbed browsing, spell checker, bookmarks, popupblocker, keyboard shortcuts, support for search engines, a download manager, Cover Flow to view history and the Top Sites.Provides an environment for web developers as the "User Agent" in which engine is selected to open RENDERED web pages. Web Inspector, Error Console plus tools for JavaScript.It is written on the Web Kit framework, which includes WebCore,the rendering engine and JavaScript Core, the JavaScript interpreter. For its part, Web Kit (the browser rendering engine) is based on the KHTML engine, created by the KDE project for your browser Konqueror. As a result, the internal engine of Safari is free software and is released under the terms of the LGPL license. Improvements to the KHTML code from Apple are incorporated in the KDE code quickly.
- 20. maxthonMaxthon (known until 2004 as MyIE2) is a Web browser forWindows. Initial versions 1 and 2 are based on the rendering engine of Internet Explorer, Trident, and from version 3 uses the Web Kit engine, but also maintains the Trident to use one or the other if necessary.MyIE2 was born in 2000 when the Chinese programmer Jeff Chensought to improve the Internet Explorer 5 by adding various features and customization options, user-configurable. Chen was based on MyIE, originally created by Chan you, and then abandoned the project.Maxthon was one of a dozen web browsers that Microsoft included in the ballot in BrowserChoice.eu screen for users of Windows European Economic Area in 2010
- 21. versionsSince late July 2010 is available a stableversion of Maxthon 3.2 browser uses this version in preference to the Web Kit rendering engine, but also includes the Internet Explorer's Trident engine, so it automatically switches between them to display properly old pages designed only for viewing with Internet Explorer. The new version is given a score of 100/100 in the test Acid standards compliance.
- 22. flockFlock is a web browser that specializes in providing social networking and other Web 2.0 services through features includedin its user interface. The browser is based on the code of the Mozilla Firefox browser (now being updated to Web Kit).The Flock browser is available as a free download for Microsoft Windows, Mac OS X and Linux.
- 23. The new version of Flock browser, integrated networking and services, including media, Facebook, YouTube, Twitter, Flickr,Blogger, Gmail, Yahoo Mail, etc.When you log into any of the supported social services, Flock automatically activates the following features.Flock can indicate when your contacts have updated their profile or have uploaded photos.Flock integrates new internal features which allow the exchange of text, links, pictures and videos with other contacts.Flock has its own "media bar" allowing preview of online videos or images, in addition to subscription to images or video.View Atom and RSS feeds.The Flock's blog editor, to publish articles in a blog directory previously designated.Flock also allows integration of add-ons, including some of the Firefox extensions.
- 24. Avant is a freeware web browser froma Chinese programmer named Anderson Che, which unites the Trident layout engine built into Windows (see Internet Explorer shell) with an interface intended to be more feature-rich, flexible and ergonomic than Microsoft's Internet Explorer (IE). It runs on Windows 98 and above, including Windows Vista. Internet Explorer version 6, 7 or 8 must be installed.As of November 2008, total downloads surpassed 22.5 million.Avant Browser is currently available in 41 languages.
- 25. History and developmentAvantBrowser was largely inspired by Opera, the first major browser to have a multiple document interface. The developer's objective was to wrap a comparable interface around the layout engine used by Internet Explorer, thereby achieving Opera-like ergonomics without suffering the frequent problems that browser had rendering pages tested only in IE. In fact it was initially released under the name "IEopera", though this was soon changed due to the obvious trademark issues.
- 26. FeaturesInterfaceTabbingUser-customizable tabbed interfaceProgressbar on each tab (optional)Tab locking, duplication, and drop-and-drag arrangementAutomatically save and reopen any number of pagesCan restore open pages after system crashUndo menu for last 25 closed tabsAll pages open in single process, reducing resource demandsMultiple home pages
- 27. 3. ToolsCompatible withmany IE toolbars and add-ins, including Google toolbar
- 28. Highlight marker tofind keywords on any page (the words also used by the search engine)
- 29. Facility for userto add custom-made function buttons
- 30. RSS feed readerbuilt in
- 31. URL alias facilityto create keyboard shortcuts to favorite sites
- 32. Page zoom slider- 25% to 500%
- 33. Full desktop mode- hides toolbars
- 34. Full screen mode- hides toolbars and taskbar
- 35. Compact mode -saves interface space
- 36. Boss button -quickly hides browser
- 37. Tray icon -keeps Avant running in system tray for fast access (optional)
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- 39. Autoscroll facility forhands-free reading
- 40. Context-activated floating toolbarsto save and edit images, text and Flash
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- 43. 15 interface languagesavailable so far
- 44. Automatic page refreshat custom intervals4. AppearanceFully skinnable:
- 45. Range of bundledskin options (21 total)
- 46. Accessory application allowsuser to create own skins
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- 48. Toolbars can berearranged freely
- 49. Most functions maybe accessed from either toolbar buttons or menus
- 50. All Buttons andmenus are optional5. Security and privacyPush-button quick blocking of unwanted items (Popups, Adverts, ActiveX, Java, Scripts, Flash, Video, Sound, Images)
- 51. Customizable black/white listsfor popups and ad servers
- 52. Multiple proxy serversmay be configured
- 53. Browsing tracks cleaner- can clear traces automatically
- 54. XP Service Pack2 security extensions can be integrated6. SearchSearch bar with separate engines configurable for web, images, groups, directories and news
- 55. Search within site,search within page, and target word highlight buttons
- 56. Quick Search facility- user can configure any engine for searches from the address bar
- 57. Similar websites toolbar- searches in background for pages that relate to the currentAvant Browser 11Avant Browser 11 (build 130 released on January 26, 2011), introduces more new features than any previous iteration. These include support for many toolbars that are compatible with IE, a facility for users to create their own scripted toolbar buttons, and a password and form-filling wizard. The overall trend though seems to be a gradual movement away from Avant's IE roots.More radical is the addition of a native bookmark system in place of sharing IE's favorites. These bookmarks may be stored online - as can feeds, auto fills, and browser settings. This allows the user to synchronize any number of Avant installations on different computers. Avant can still share IE's favorites. This option was reintroduced by the developer after some users lamented its loss.Another innovation is that Avant may now be run from a USB flash drive (or other portable storage device such as an MP3 player) without needing to be installed. In conjunction with Avant's session saving facility, this allows the user to halt a browsing session on one PC, move to another and resume viewing the same web pages.
- 58. deepnetrefers to World WideWeb content that is not part of the Surface Web, which is indexed by standard search engines.Mike Bergman, credited with coining the phrase, has said that searching on the Internet today can be compared to dragging a net across the surface of the ocean; a great deal may be caught in the net, but there is a wealth of information that is deep and therefore missed. Most of the Web's information is buried far down on dynamically generated sites, and standard search engines do not find it. Traditional search engines cannot "see" or retrieve content in the deep Web – those pages do not exist until they are created dynamically as the result of a specific search. The deep Web is several orders of magnitude larger than the surface Web.
- 59. SizeIn 2000, itwas estimated that the deep Web contained approximately 7,500 terabytes of data and 550 billion individual documents.Estimates based on extrapolations from a study done at University of California, Berkeley in the year 2000, speculate that the deep Web consists of about 91,000 terabytes. By contrast, the surface Web (which is easily reached by search engines) is about 167 terabytes; the Library of Congress, in 1997, was estimated to have 3,000 terabytes.
- 60. NamingBergman, in aseminal, early paper on the deep Web published in the Journal of Electronic Publishing, mentioned that Jill Ellsworth used the term invisible Web in 1994 to refer to websitesthat are not registered with any search engine. Bergman cited a January 1996 article by Frank Garcia:"It would be a site that's possibly reasonably designed, but they didn't bother to register it with any of the search engines. So, no one can find them! You're hidden. I call that the invisible Web.”Another early use of the term invisible Web was by Bruce Mount and Matthew B. Koll of Personal Library Software, in a description of the @1 deep Web tool found in a December 1996 press release.The first use of the specific term deep Web, now generally accepted, occurred in the aforementioned 2001 Bergman study.
- 61. DeepresourcesDynamic content: dynamic pages whichare returned in response to a submitted query or accessed only through a form, especially if open-domain input elements (such as text fields) are used; such fields are hard to navigate without domain knowledge.
- 62. Unlinked content: pageswhich are not linked to by other pages, which may prevent Web crawling programs from accessing the content. This content is referred to as pages without backlinks (or inlinks).
- 63. Private Web: sitesthat require registration and login (password-protected resources).
- 64. Contextual Web: pageswith content varying for different access contexts (e.g., ranges of client IP addresses or previous navigation sequence).
- 65. Limited access content:sites that limit access to their pages in a technical way (e.g., using the Robots Exclusion Standard, CAPTCHAs, or no-cache Pragma HTTP headers which prohibit search engines from browsing them and creating cached copied.
- 66. Scripted content: pagesthat are only accessible through links produced by JavaScript as well as content dynamically downloaded from Web servers via Flash or Ajax solutions.Phase outis a flash-based shell for Internet Explorer. It adds some really impressive looking graphics and customizable skins to your Internet browsing experience. If futuristic looks and space inspired graphics are your thing, you might want to consider Phase Out.
- 67. Features SetPhase Outhas most of the essential features, but still lacks some of the nice bonus features such as a password manager, feeds, or parental controls.s a neat idea, but the browser seems a bit too distracting. The interface seemed just a little too busy and sacrificed speed. Phase Out is interesting, but not very intuitive, and lacking in features. We recommend using Firefox with an add-on skin if you need to personalize your browser's look. Or compare Phase Out with Google Chrome or Opera.Ease of UsePhase Out aims to be completely customizable and tailored to easy surfing. While the remote function is innovative, it seems unnecessary and doesn't add a lot of utility. Phase Out provides most of the tools of a good browser, but they are not as easy to use as we would like.SecurityPhase Out comes with top-notch security features, including anti-phishing. Since it's Internet Explorer based you can also remove your browsing history quickly.Speed and CompatibilityPhase Out is completely compatible with Internet Explorer, but on our computers ran a bit slower than we'd like. The futuristic look is neat, but not if you have to sacrifice speed. Refer to our Internet browser time trials to find the fastest browser.
- 68. CAminois a free, open source, GUI-basedWeb browser based on Mozilla's Gecko layout engine and specifically designed for the Mac OS X operating system. In place of an XUL-based user interface used by most Mozilla-based applications, Camino uses Mac-native Cocoa APIs.In late 2001, Mike Pinkerton and Vidur Apparao started a project within Netscape to prove that Gecko could be embedded in a Cocoa application. In early 2002 Dave Hyatt, one of the co-creators of Firefox (then called Phoenix), joined the team and built Chimera, a small, lightweight browser wrapper, around their work.The first downloadable build of Chimera 0.1 was released on February 13, 2002. The early releases became popular due to their fast page-loading speeds (as compared with then-dominant Mac browser, Microsoft's Internet Explorer version 5).
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- 70. historyin late 2001, MikePinkerton and Vidur Apparao started a project within Netscape to prove that Gecko could be embedded in a Cocoa application. In early 2002 Dave Hyatt, one of the co-creators of Firefox (then called Phoenix), joined the team and built Chimera, a small, lightweight browser wrapper, around their work.The first downloadable build of Chimera 0.1 was released on February 13, 2002. The early releases became popular due to their fast page-loading speeds (as compared with then-dominant Mac browser, Microsoft's Internet Explorer version 5).
- 72. SeamonkeyThe SeaMonkey projectis a community effort to develop the SeaMonkey all-in-one internet application suite (see below). Such a software suite was previously made popular by Netscape and Mozilla, and the SeaMonkey project continues to develop and deliver high-quality updates to this concept. Containing an Internet browser, email & newsgroup client with an included web feed reader, HTML editor, IRC chat and web development tools, SeaMonkey is sure to appeal to advanced users, web developers and corporate users.
- 73. The name "SeaMonkey"To avoid confusion to those who still wishto use the original Mozilla Suite, you needed a new name for the new product. After initial speculation by members of the community, the July 2, 2005an announcement confirmed that "SeaMonkey" was officially the name of this suite of Internet, replacing the name "Mozilla Application Suite "."Seamonkey", an English name that corresponds to the brine shrimp, was a name formerly used by the Mozilla Foundation (and earlier by Netscape) and the codename of the Mozilla Suite itself. The SeaMonkey Council is in the process of registering the name with the help of the Mozilla Foundation. It also uses a separate numbering scheme, having been called the first version ofSeaMonkey 1.0. Despite having a name and number of different version, SeaMonkey 1.0 is based on what was to be Mozilla Suite1.8, Gecko 1.8 platform.
- 74. versionsVersión 1.2.1 March27, 2011Versión 1.2.0 March 26, 2011Versión 1.1.1 March 23, 2011Versión 1.1 March 18, 2011
- 75. netsurfNetSurf is an open source webbrowser which runs on a variety of platforms including RISC OS, AmigaOS and Unix-like systems. NetSurf has features that include tabbed browsing, text selection and PDFexport. Running on other platforms is also possible by building from source, with the developers intending to add further binaries when time can be found to do so.The NetSurf project was started in April 2002 in response to a discussion of the deficiencies of the RISC OS platform's existing web browsers. Shortly after the project's inception, development versions for RISC OS users were made available for download by the project'sautomated build system. NetSurf was voted "Best non-commercial software" four times in Drobe Launchpad's annual RISC OS awards between 2004 and 2008
- 76. FeaturesNetSurf's multi-platform coreis written in ANSI C, and implements most of the HTML 4 and CSS 2.1 specifications using its own bespoke layout engine. As of version 2.0, NetSurf uses Hubbub, an HTML parser that follows the work-in-progress HTML5 specification. As well as rendering GIF, JPEG, PNG and BMP images, the browser also supports formats native to RISC OS, including Sprite, Draw and Art Works files. As of 2010, NetSurf has no support for JavaScript.
- 77. SpeedEfficiency lies atthe heart of the NetSurf engine, allowing it to outwit the heavyweights of the web browser world. The NetSurf team continue to squeeze more speed out of their code.Interface innovationSimple to use and easy to grasp, NetSurf significantly raised the bar for user interface design on the RISC OS platform. Designed carefully by RISC OS users and developers to integrate well with the desktop, NetSurf is seen as the benchmark for future applications. NetSurf pioneered the concept of web page thumbnailing, offering an intuitive graphical tree-like view of visited web sites.PortableNetSurf can be built for a number of modern computer platforms 'out of the box'. Written in C, with portability in mind, NetSurf is developed by programmers from a wide range of computing backgrounds, ensuring it remains available for as many users as possible.