several websites that can be bookmarked with Live Titles, and even more add-ons to generate Live Titles for other popular websites. Support for Live Titles was removed as of Firefox 6. Session Restore The Session Restore feature restores windows, tabs, text typed in forms, and in-progress downloads from the last user session. It will be activated automatically when installing an application update or extension, and users will be asked if they want to resume their previous session after a system crash. Inline spell checker A built-in spell checker enables users to quickly check the spelling of text entered into Web forms without having to use a separate application. Usability in version 2 Firefox 2 was designed for the average user, hiding advanced configuration and making features that do not require user interaction to function. Jim Repoza of eWEEK states: Firefox also won UK Usability Professionals' Association's 2005 award for "Best software application". Version 3.0 and above Star button Quickly add bookmarks from the location bar with a single click; a second click lets the user file and tag them. Version 5.0 and above Style Inspector Firefox 10 added the CSS Style Inspector to the Page Inspector, which allow users to check out a site's structure and edit the CSS without leaving the browser. Firefox 10 added support for CSS 3D Transforms and for anti-aliasing in the WebGL standard for hardware-accelerated 3D graphics. These updates mean that complex site and Web app animations will render more smoothly in Firefox, and that developers can animate 2D objects into 3D without plug-ins. 3D Page Inspector Firefox 11, released January 2012, introduced a tiltable three-dimensional visualization of the Document Object Model (DOM), where more nested elements protrude further from the page surface. This feature was removed with version 47. Firefox 57 and above Electrolysis and WebExtensions On August 21, 2015, Firefox developers announced that due to planned changes to Firefox's internal operations, including the planned implementation of a new multi-process architecture codenamed "Multiprocess Firefox" or "Electrolysis" (stylized "e10s"), introduced to some users in version 48, Firefox adopted a new extension architecture known as WebExtensions, available to desktop version and Firefox for Android (considered stable in version 48). WebExtensions uses HTML and JavaScript APIs and is designed to be similar to the Google Chrome and Microsoft Edge extension systems, and run within a multi-process environment, but does not enable the same level of access to