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Build the web the way you want with IE

Internet Explorer 9 puts your site at the center of the user's experience in Windows. Build it with hardware-accelerated
HTML5, CSS3, and JavaScript. Discover new tools that simplify how you develop for many browsers and devices. Learn more..

 

Build your site traffic through Pinned Sites

Your site feels more like a native app in Windows 7 with IE9. When users pin your site to their taskbar, they visit it more often, spend more
time, and read more pages…50% more on average. Build it here.

 

Pinned Site developer documentation

How To Build a Pinned Site in Less Than 5 Minutes

Case Study: Huffington Post Reinvents the "Big News" Experience

 

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Pinned Sites

Use favicons, jumplists, and notifications to build site traffic

Developer tools

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Compatibility

Build with web standards while supporting older versions of IE

Security & privacy

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Learn web standards

HTML5

Create stable, hardware-accelerated web applications through Canvas, SVG, and Video

CSS3

Simplify your site design through selectors, fonts, and 2D transforms

JavaScript

Optimize your script performance through Web Workers and performance APIs

Emerging specs

Experiment with the latest web standards at HTML5 Labs

IE Team Blogs

Internet Explorer 9 HTML5, CSS3, Compatibility, and More | MSDN

High performance HTML5 content in Metro-style Apps
Metro style apps in Windows 8 have all the performance benefits of IE10 when showing Web content. In Metro style apps, Web content... more
Choice
There is more choice than ever when it comes to browsers today. This is a fantastic thing and we believe that choice makes the web... more
CSS3 3D Transforms in IE10
CSS3 features make it easier to build rich and immersive Web experiences. A recent post described how Web developers add pers... more