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Firefox 4 User-Agent String: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0.1) Gecko/20100101 Firefox/4.0.1

Firefox 4

User-Agent NameFirefox 4 [3 items]
User-Agent URLhttp://www.mozilla.com/firefox/
CategoryBrowser
OrganizationMozilla  The city and country location of web http://www.mozilla.com
User-agent StringMozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0.1) Gecko/20100101 Firefox/4.0.1
Sponsor
Visit Frequency14323
First VisitApr 16, 2011 15:53 PDT
First IP206.127.77.114
Last VisitJan 28, 2013 03:31 PST
Last IP117.229.102.212

Last updated: Mar 03, 2012 17:48 PST    

The description about Firefox 4

Mozilla Firefox 4 is a version of the Firefox web browser, released on March 22, 2011. The first beta was made available on July 6, 2010; Release Candidate 2 (a base for the final version) was released on March 18, 2011. It was codenamed Tumucumaque, and has been confirmed as Firefox's last large release cycle. The Mozilla team planned smaller and quicker releases following other browser vendors. The primary goals for this version included improvements in performance, standards support, and user interface. There was one security update in April 2011 (4.0.1) and version 4 of the browser was made obsolete by the release of Firefox 5 in June 2011.

What’s New in this Firefox 4

Overhaul of the bookmarks and history code, enabling faster bookmarking and startup performance Per-compartment garbage collection is now enabled, reducing work done during complex animations See the complete changelist from the previous beta

As well as these features from previous Firefox 4 Betas:

  • Firefox 4 Beta is available in 76 languages
  • The Firefox Sync setup experience has been greatly improved across desktop and mobile devices
  • Speed, functionality, and compatibility improvements to WebGL
  • Additional polish for the Firefox Add-ons Manager
  • Uses JägerMonkey, a new, faster JavaScript engine
  • Certain rendering operations are now hardware-accelerated using Direct3D 9 on Windows XP, Direct3D 10 on Windows Vista and 7, and OpenGL on Mac OS X
  • Improved web typography using OpenType with support for ligatures, kerning and font variants
  • HTML5 Forms API makes web based forms easier to implement and validate
  • Support for the new proposed Audio Data API
  • Direct2D Hardware Acceleration is now on by default for Windows 7 users
  • Firefox button has a new look for Windows Vista and Windows 7 users
  • Support for HSTS security protocol allowing sites to insist that they only be loaded over SSL
  • Firefox Sync is now included by default
  • A new feature gives users a visual overview of all open tabs, allowing them to be sorted and grouped
  • An experimental API is included to provide more efficient Javascript animations
  • Firefox now supports the HTML5 video "buffered" property
  • Tabs are now on top by default on Windows, Mac OS X, and Linux
  • You can turn any tab into an "App Tab" by right-clicking on it and selecting "Make into App Tab" from the context menu
  • Web developers can animate content using CSS Transitions
  • Responsiveness and scrolling improvements from the new retained layers layout system
  • JavaScript speed improvements due to engine optimizations
  • Changes to how XPCOM components are registered in order to help startup time and process separation
  • You can search for and switch to already open tabs in the Smart Location Bar
  • New Addons Manager and extension management API (UI will be changed before final release)
  • Significant API improvements are available for JS-ctypes, a foreign function interface for extensions
  • The stop and reload buttons have been merged into a single button on Windows, Mac OS X, and Linux
  • The Bookmarks Toolbar has been replaced with a Bookmarks Button by default (you can switch it back if you'd like)
  • Crash protection for Windows, Linux, and Mac OS X when there is a crash in the Adobe Flash, Apple Quicktime or Microsoft Silverlight plugins
  • CSS Transitions are partially supported
  • Full WebGL support is included but disabled by default at this time
  • Core Animation rendering model for plugins on Mac OS X. Plugins which also support this rendering model can now draw faster and more efficiently
  • Native support for the HD HTML5 WebM video format
  • Web developers can update the URL field without reloading the page using HTML History APIs
  • More responsive page rendering using lazy frame construction
  • Link history lookup is done asynchronously to provide better responsiveness during pageload
  • CSS :visited selectors have been changed to block websites from being able to check a user's browsing history
  • New HTML5 parser
  • Support for more HTML5 form controls
  • Web authors can now get touch events from Firefox users on Windows 7 machines
  • A new way of representing values in JavaScript that allows Firefox to execute heavy, numeric code (used for things like graphics and animations) more efficiently