Internet Explorer 10 for the next version, Michael Muchmore of "PC Magazine" tested Platform Preview 1's performance and HTML5 support with both Microsoft's and third parties' test suites. In his test, Platform Preview 1 performed better than Internet Explorer 9 but not always better than the competing web browsers. On September 13, 2011, Microsoft released the developer preview of Windows 8 to general public, which came with Internet Explorer Developer Preview (the first full browser incarnation of Internet Explorer 10). Although Internet Explorer is the last major web browser – among Mozilla Firefox, Google Chrome, Opera, and Safari – to support spell checking,
Yahoo! Toolbar Yahoo! Search Yahoo! Chrome Toolbar is the most recent addition to the Yahoo! Toolbar family. Opera and Safari are not supported. It has built-in algorithms to prevent pop-ups and spyware. Several additional features are available on the Internet Explorer version, as well as incorporating Firefox-style tabbed browsing to IE version 6.0 (versions 7.0 and later allow tabbed browsing). The Yahoo! Toolbar has a well known and dark history of being bundled with other software. The toolbar often installs itself without the user's knowledge or consent. Yahoo! is known for paying developers to place the toolbar into programs in such a