See what's new in IE11
Internet Explorer 11 incorporates several changes designed to improve compatibility with web standards, other browsers, and real-world websites. These improve support for popular web standards and help prevent older websites from displaying content incorrectly.
Use the new F12 developer tools to debug code, solve display issues, improve performance, and increase the stability of your webpages.
IE11 brings even more default and custom touch support for your sites and Windows Store apps.
IE11 gives your site first-class exposure on the Windows 8.1 Start screen and across Windows devices with full Live Tile support for pinned sites and cross-device syncing.
IE11 introduces foundational support for WebGL, a set of APIs exposed through the canvas element for rendering interactive 3-D and 2-D graphics.
IE11 takes HTML5 video to new levels with support for new and emerging standards-based features in the areas of adaptive streaming, content protection, and captioning.
Other developer guides
Internet Explorer for Windows Phone is based on Internet Explorer for the desktop; however, there are differences that web developers should consider.
This content provides info about Internet Explorer for Xbox One. It has guidelines for developers who want to optimize their site for Internet Explorer for Xbox One. It contains design recommendations, and describes some technical differences between Internet Explorer 10 and Internet Explorer for Xbox One.
The Internet Explorer 9 Guide for Developers provides a look at the features and improvements in IE9, including: (1) All-around browser performance, (2) Web standards support to help enable the same markup to work identically across different browsers, and (3) New graphics capabilities that harness the power of Windows PCs.
This topic provides guidelines for web developers to who want to optimize their sites for Internet Explorer for Microsoft Xbox. It contains design recommendations and describes some of the technical differences between Windows Internet Explorer 9 and Internet Explorer for Xbox.
This topic introduces the platform features of Windows Internet Explorer 8.
This topic introduces the platform features of Windows Internet Explorer 7.