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IEBlog

Windows Internet Explorer Engineering Team Blog
  • Blog Post: What's new in F12 with Windows 8.1 Update

    We are excited to announce a set of substantial updates to the developer tools in IE, (F12) as well as in Visual Studio 2013 Update 2. The updates in F12 accompany the new releases in IE11. Previously , we described the capabilities of F12, and its focus on a fast, iterative workflow, on providing...
  • Blog Post: modern.IE Celebrates 1 Year Anniversary and 1 Million Hours Saved

    Since the launch of modern.IE in January of 2013, developers taking advantage of the free virtual testing tools on the site have collectively saved over 1 million hours testing time . Join us in congratulating the team on the anniversary and the milestone. Learn more about the anniversary over at...
  • Blog Post: Happy Holidays from the IE Team!

    In the spirit of the season, we wanted to share some GPU-powered HTML5 and CSS3 holiday cheer. Check out Holiday Lites to brighten your screen and test your browser’s layout and rendering performance. This demo shows how IE11 updates content incrementally rather than needing to layout and render the...
  • Blog Post: IE11 Virtual Machines Now Available on modern.IE

    With the recent release of Internet Explorer 11 for Windows 7 , we have added IE11 for Windows 7 and IE11 on Windows 8.1 to the suite of virtual machines available on modern.IE for testing Internet Explorer across platforms and versions. We have also updated all of the virtual machines based on your...
  • Blog Post: Understanding the Real-World Performance of your Web Application Across IE11 and Other Browsers

    Together with Google, Mozilla, Microsoft, and other community leaders, the W3C Web Performance working group has standardized the Navigation Timing , Resource Timing , User Timing , and Performance Timeline interfaces to help you understand the real-world performance of navigating, fetching resources...
  • Blog Post: EtchMark Under the Hood: Building a Website that Handles Touch, Mouse, and Pen – and Device Shakes

    EtchMark is a new take on the classic Etch-A-Sketch drawing toy, showcasing IE11’s improved support for touch and emerging Web standards (including Pointer Events and Device Orientation ). In this post, we’ll walk through several features that you can easily add to your own sites to build an experience...
  • Blog Post: Building world-ready applications in JavaScript using IE11

    Building world-ready applications in JavaScript using IE11 With Internet Explorer 11, Web applications can now use JavaScript ECMAScript Internationalization APIs , which provide a standard JavaScript based interface to deliver great world-ready experiences such as number, date, time and currency...
  • Blog Post: IE11 for Windows 7 Globally Available for Consumers and Businesses

    Internet Explorer 11 (IE11) is available worldwide in 95 languages for download today . We will begin automatically updating Windows 7 customers to IE11 in the weeks ahead, starting today with customers running the IE11 Developer and Release Previews. With this final release, IE11 brings the same leading...
  • Blog Post: New Performance Scanning Tools on modern.IE Enable Faster Real-World Sites and Improved User Experiences

    Today we released improvements to the modern.IE code scanner that help developers identify common patterns that improve real-site performance and can make a real impact on what users do on sites they visit. We also published a new tutorial that shows how swish.com used a combination of modern.IE and...
  • Blog Post: Enhanced Rich Editing Experiences in IE11

    With Internet Explorer 11, Web-based applications and sites can offer rich editing experiences enabling users to easily capture and share data. Online and cloud-based content creation scenarios, such as e-mail and Web-based document editing—including Office 365, rely on the contentEditable feature...
  • Blog Post: Enabling new interoperable panning experiences through the CSS Scrolling Snap Points Specification

    Today, we submitted a new proposal to the W3C, CSS Scrolling Snap Points, designed to enable fast and fluid panning experiences for touch and other input devices, based on APIs introduced in IE10 and improved in IE11. These APIs enable developers to more easily build panning experiences such as paginated...
  • Blog Post: Introducing BrowserSwarm – Spend less time testing your next JavaScript project

    Today, along with appendTo and Sauce Labs , we are releasing BrowserSwarm – an open source tool that helps Web developers automate testing of their JavaScript frameworks and libraries across devices and browsers. Quality frameworks are the foundation for the modern Web, but framework developers often...
  • Blog Post: IE11 Release Preview for Windows 7: 30% Faster than Other Browsers and Even More Support for Web Standards

    Internet Explorer 11 continues to provide the best Web experience that is fast, fluid and perfect for touch, across the full range of Windows devices and screen sizes. The IE11 Release Preview for Windows 7 is available for download today and includes performance improvements making it 30% faster than...
  • Blog Post: Using Hardware to Decode and Load JPG Images up to 45% faster in Internet Explorer 11

    Internet Explorer 11 and Windows Store Apps on Windows 8.1 offload parts of the image decoding pipeline to the graphics hardware, resulting in up to 45% faster image load, up to 40% lower memory consumption, and improved battery life. Images on average account for the most bytes downloaded on the Web...
  • Blog Post: Online Professional Quality Video: Premium media experiences without plug-ins in Internet Explorer 11

    Internet Explorer 11 introduces new plug-in free audio and video streaming that is based on the latest proposed extensions to the HTML5 video specifications and is built on the latest operating system media and power management capabilities. The new media features in Internet Explorer 11 and Windows...
  • Blog Post: August 2013 Internet Explorer Updates

    Microsoft Security Bulletin MS13-059 - Critical This security update resolves eleven privately reported vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user views a specially-crafted Web page using Internet Explorer. An attacker who successfully...
  • Blog Post: IE11: Touch Browsing for Today’s Web and Beyond

    Internet Explorer 11 in the Windows 8.1 Preview continues the innovative touch support introduced in Windows 8 with new touch features, improvements to existing touch features, and new developer APIs. This blog post showcases just some of the ways touch support in Windows 8.1 with IE11 is even better...
  • Blog Post: Debugging and Tuning Web Sites and Apps with F12 Developer Tools in IE11

    Internet Explorer 11 on Windows 8.1 and Windows 7 comes with a completely redesigned and enhanced suite of in-browser developer tools that help developers build, diagnose, and optimize modern Web sites and apps across multiple devices. The new tools, which we call F12 for short, enable Web developers...
  • Blog Post: IE11 Developer Preview for Windows 7: Enabling Next Generation Sites and Apps - Faster

    With the recent release of Windows 8.1 Preview , Internet Explorer 11 continues our vision of providing the best Web experience across the full range of Windows devices and screen sizes. IE11 on Windows 7 offers the same improved performance, faster page load times, new standards support for next generation...
  • Blog Post: Updates to the Internet Explorer Testing Center

    With the release of Internet Explorer 11 Preview as part of the Windows 8.1 Preview , we have updated the IE Testing Center to include new test cases for the standards supported in IE11, advancing browser interoperability. As Web developers are building for more browsers and devices, they want to be...
  • Blog Post: Introducing IE11: The Best Way to Experience the Web on Modern Touch Devices

    As part of today’s Windows 8.1 Preview, Internet Explorer 11 (IE11) Preview is now also available. Fast, fluid and perfect for touch, IE11 continues our vision of providing the best Web experience across the full range of Windows devices and screen sizes – an experience where sites and apps...
  • Blog Post: Welcome to //BUILD

    This year’s BUILD conference is June 26-28 at the Moscone Center in San Francisco, California. This will be the first broad discussion and distribution of the next versions of Windows and Internet Explorer, and we hope to see many of you there! The IE engineering team will have seven presentations...
  • Blog Post: Web Performance APIs Rapidly Become W3C Recommendations

    The W3C Web Performance Working Group recently published three specifications as W3C Recommendations with full implementations from all major browser vendors, advancing developers’ ability to accurately measure the performance of Web applications and make the Web faster. Over the last three years, companies...
  • Blog Post: IE Dev Center: Finding the resources you need, quickly

    Last week we launched a remodeled Internet Explorer Developer Center ( msdn.com/ie ) to make it easier for developers to find the comprehensive documentation quickly. Based on your feedback, we’ve adjusted our site structure as part of a larger Windows Dev Center redesign in order to: Make it easier...
  • Blog Post: W3C Transitions Pointer Events to Candidate Recommendation

    Today, the W3C published Pointer Events as a Candidate Recommendation, an important step towards a standard and interoperable way to handle input from touch, pen, mouse, and more. This fast 5-month progression from First Public Working Draft to Candidate Recommendation is a mark of the effective collaboration...
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