Supported Browsers
Yahoo! updated it's Graded Browser Support:
This GBS update adds A-grade support for IE8 on XP and Vista. A-grade support is discontinued for Firefox 3 on Win 2000 and Mac 10.4, keeping the A-grade testing surface at 15 platforms.
DataPerk still aims to test public facing websites against the latest versions of Safari, Firefox, and Opera in addition to IE6, and IE7. The release candidate of IE8 launched recently. We've done preliminary testing against early betas, but have been holding out on full support of IE8 since much can change from beta to release. Upon the launch of IE8, DataPerk will officially support IE8 and evaluate recently completed sites to ensure compatibility.