IEBlog

Internet Explorer Team Blog

  • IEBlog

    Online Tracking, Consumer Protection, and Web Standards

    • 16 Comments
    Today, the W3C announced the creation of a Tracking Protection Working Group to work on defining what tracking is, signaling user intent, and tracking protection lists. The W3C’s action here can help protect consumers from unwanted tracking. We welcome the opportunity to work with the industry and governments on a Web standard based on our earlier work. The Tracking Protection feature in IE9 provides a way for consumers to benefit today by restricting which sites on the Web get information from...
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    Browsing Without Plug-ins

    • 70 Comments
    Because more and more browsing takes place on an ever wider variety of devices, and browsers on them, more and more consumers are browsing without plug-ins. Delivering a great site experience to consumers who browse the Web plug-in free is important work that sites must do to reach the widest audience. With HTML5, modern browsers and sites can deliver a great consumer experience even without plug-ins. “Plug-in” refers broadly to browser extensions that run native client code using...
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    The Year in Review: W3C Web Performance Working Group

    • 41 Comments
    Fast HTML5 Web applications benefit consumers who browse the Web and developers building innovative new experiences. Measuring performance characteristics of Web applications and writing efficient applications are two important aspects of making Web sites fast. Browser manufacturers can rapidly address developers’ needs through interoperable APIs when collaboratively partnering through the W3C. One year ago today, the W3C announced the formation of a Web Performance Working Group chartered...
  • IEBlog

    IE 9.0.2 Available via Windows Update

    • 59 Comments
    The August 2011 Cumulative Security Update for Internet Explorer is now available via Windows Update . This security update resolves five vulnerabilities in Internet Explorer that were disclosed in coordination with Microsoft and two publicly disclosed vulnerabilities. The most severe vulnerabilities could allow remote code execution if a user visits a malicious, specially crafted Web page using IE. Users who run without administrative rights are more secure in general and should be less impacted...
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    HTML5 Drag and Drop in IE10 PPB2

    • 50 Comments
    Drag and drop is a user interaction model that we all use on a day to day basis, probably without giving it much thought. We drag files from one folder to another, text from one area of a document to another, and PowerPoint slides from one place in the presentation to another. HTML5 Drag and Drop , available in IE10 Platform Preview 2, brings this natural, familiar behavior to the Web. Magnetic Poetry on the IE Test Drive site is example of a site that uses HTML5 Drag and Drop to...
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    Defense in Depth: Locking Down Mash-Ups with HTML5 Sandbox

    • 50 Comments
    The Web is better when developers can build safer experiences in their sites. With each release of Internet Explorer, we’ve led the way with improvements to the browser to help ensure a safe and secure browsing experience. Now IE10 Platform Preview 2 includes full support for HTML5 Sandbox technology that allows developers to further lockdown mash-up content on their sites. HTML5 Sandbox allows developers to further reduce the privileges of portions of their pages. To use it, it’s as simple as adding...
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    Debugging Web Workers in IE10

    • 17 Comments
    With Web Worker s, Web applications can be more responsive by offloading long-running, complex JavaScript algorithms to run in the background. IE10 includes a complete and predictable debugging experience for JavaScript executing within both the Web page and in Web workers. In IE10, we’ve enhanced the F12 tools to be aware of the new script contexts created for every Web worker. When you start debugging (by clicking the Start debugging button within the F12 tools), you’re attaching to...
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    Using PC Hardware more efficiently in HTML5: New Web Performance APIs, Part 2

    • 19 Comments
    Web developers need API’s to efficiently take advantage of modern PC hardware through HTML5, improving the performance of Web applications, the power efficiency of the Web platform, and the resulting customer experience. The second IE10 Platform Preview supports emerging API’s from the W3C Web Performance Working Group which enable developers to make the most of the underlying hardware and use battery power more efficiently. This post details how to use Page Visibility , one of the...
  • IEBlog

    HTML5 Parsing in IE10

    • 99 Comments
    The Web is better when developers can use the same markup and same code across different browsers with the same results. The second platform preview of IE10 makes progress in this area by fully supporting the HTML5 parsing algorithm. This continues work we started in previous releases to improve IE’s HTML parser to make more HTML “just work” in the same way across browsers. Some key examples include supporting SVG-in-HTML, supporting HTML5 semantic elements, preserving the structure of unknown...
  • IEBlog

    Using PC Hardware more efficiently in HTML5: New Web Performance APIs, Part 1

    • 16 Comments
    Browsers need amazing performance to deliver on the promise of HTML5 applications. Web developers need API’s to efficiently take advantage of modern PC hardware through HTML5 and build high performance Web applications with efficient power use for great, all around customer experiences. The second IE10 Platform Preview supports three emerging API’s from the W3C Web Performance Working Group which enable developers to make the most of the underlying hardware and use battery power more...
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    Web Workers in IE10: Background JavaScript Makes Web Apps Faster

    • 24 Comments
    Responsive Web pages result in happier consumers. With Web workers, Web applications are more responsive by offloading complex JavaScript algorithms to run in the background. For example, in this test drive ( link ), you can see that offloading the work to calculate movement of water in the fountains via Web workers makes the main page more responsive for consumers: This video shows Web Workers in action in the second IE10 Platform Preview. For a closer look at the code behind this demo, watch...
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    test262: Industry JavaScript Standards Test Available

    • 31 Comments
    This is a great week for the Web, in particular JavaScript developers. Standards bodies have ratified the latest version of JavaScript, ECMA-262 edition 5.1 , and have published the test262 test suite for JavaScript. Now, anyone can run the test suite at http://test262.ecmascript.org/ and compare how well different browsers support the standard. The suite already has over 10,000 tests contributed by members of JavaScript technical committee as well as all the JavaScript tests that we have posted...
  • IEBlog

    Site-ready HTML5: Second IE10 Platform Preview Available for Developers

    • 76 Comments
    IE10 Platform Preview 2, the same HTML5 engine seen in the recent public “Windows 8” demos, is now available for download . With this update, IE10 continues to deliver support for site-ready HTML5 technologies as well as improving performance: This video shows some of the HTML5 technologies in the second IE10 Platform Preview in action. With the second Platform Preview, developers can start working with several site-ready HTML5 technologies for building beautiful, interactive Web...
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    CSS 2.1 Complete: Unblocking Faster Web Standards Progress

    • 22 Comments
    Web technologies across the board can make faster and better progress now that the CSS 2.1 specification is a final, completed standard and published as a Recommendation. First, finishing CSS 2.1 unblocks faster progress moving the Web forward with the rest of CSS and other important technologies in the broader W3C HTML5 family. Even more important, the lessons from CSS 2.1 raise expectations for measuring and improving the actual interoperability of Web standards. Because CSS 2.1 has been “mostly...
  • IEBlog

    A Browser for All Windows Customers: it’s about and, not or

    • 84 Comments
    The topic of what some customers need from a browser saw a lot of attention in headlines (e.g. Mozilla to enterprise customers: "Drop dead" ) last week. Both Google employees and Mozilla community members alike ( link ) explained that to support consumers, their browsers cannot fulfill the needs of large organizations. At Microsoft, we believe that all Windows customers should have a great browsing experience, whether they stay at home, go to school, or work in a large organization with managed IT...
  • IEBlog

    Velocity 2011: The Performance Impact of Modernizing Internet Explorer

    • 16 Comments
    Velocity 2011: The Performance Impact of Modernizing Internet Explorer Browsers need amazing performance to deliver on the promise of HTML5 applications. Modernizing Internet Explorer 9 has changed what’s possible with Web sites, and dramatically improved the performance of the HTML4 sites consumers use today. To demonstrate the real world performance gains in IE9 at the recent Velocity 2011 conference, we presented our talk on Modernizing Internet Explorer as an interactive HTML4 Web application...
  • IEBlog

    Internet Explorer 9 Security Part 4: Protecting Consumers from Malicious Mixed Content

    • 19 Comments
    Mixed content on a Web page puts consumers at risk of man-in-the-middle attacks, especially as consumers spend more time browsing from untrusted public networks (like free WiFi in coffee shops and airports). An attacker can view page content that a consumer expected to be delivered securely, and even modify the contents of the page without the consumer knowing it. This happens when Web sites void the security promise of HTTPS by including content delivered by HTTP into their otherwise secure HTTPS...
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    Adobe Flash Player 10.3: Hardware-Accelerated Rendering in IE9

    • 27 Comments
    Adobe Flash Player 10.3 delivers super-fast graphics by plugging into the Internet Explorer 9 hardware-accelerated rendering pipeline using IE9’s ISurfacePresenter interface. Recently, some of you may have seen this rendering issue with Flash content on some pages: Screen shots of a Web page with Flash content displayed incorrectly in its upper left corner (left) and correctly (right) Adobe addressed the problem illustrated above (Flash content displaying in the upper...
  • IEBlog

    IE 9.0.1 Available via Windows Update

    • 27 Comments
    The June 2011 Cumulative Security Update for Internet Explorer is now available via Windows Update . This security update resolves seven vulnerabilities in Internet Explorer that were disclosed in coordination with Microsoft. The vulnerabilities could allow remote code execution if a user visits a malicious, specially crafted Web page using IE. Users who run without administrative rights are more secure in general and should be less impacted than other users; you can read more about this security...
  • IEBlog

    More Control over Flash Cookies with IE

    • 12 Comments
    Internet Explorer now gives you more control over the data that Web sites store on your computer. This includes Flash Player’s Local Shared Objects (LSOs). We’ve worked closely with Adobe to integrate Flash LSO deletion directly into Internet Explorer, making it easier for you to manage your online privacy with the latest version of Adobe Flash and IE9 (as well as IE8): IE will delete your Flash Cookies as well as your Web cookies If you want to try this out, please visit our Test...
  • IEBlog

    Making Tracking Protection Lists Available From Your Web Site

    • 12 Comments
    Any site can offer Tracking Protection Lists ( TPLs ) to help consumers protect their privacy. This post shows you how to make a TPL available from your site. For example, clicking here in IE9 will add the list from the EasyPrivacy . A word about Tracking Protection Lists Tracking Protection Lists are similar in concept to the lists behind the AdBlockPlus add-in for Firefox. The main differences are that TPLs are built in to IE, the W3C is working through the standardization process of their format...
  • IEBlog

    Join us for BUILD

    • 41 Comments
    Join us this September 13-16 in Anaheim, California for Microsoft’s first BUILD conference . What’s special about BUILD? It will be the first broad hands-on unveiling of the next version of Windows and its new app model featuring HTML5 and JavaScript. In short, building Web-connected apps for the next Windows is as easy as building for the modern Web. You will also learn how to work with the all-new touch-centric user experience to create fast, fluid, and dynamic applications that leverage...
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    Internet Explorer 9 Now Available in 93 Languages

    • 44 Comments
    Internet Explorer 9 is now available in more local languages than any other browser on Windows. Today, we released support for IE9 in 53 additional languages, making IE9 available in a total of 93 languages: Please visit the Worldwide downloads page to download IE9 in a language of your choice. Here’s the complete list of languages Internet Explorer 9 is available in, starting with the originally released 40 and followed by the 53 new languages in blue: Arabic Lithuanian Bengali (India) Malayalam...
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    SmartScreen® Application Reputation in IE9

    • 36 Comments
    Social-engineering attacks, like tricking a user into running a malicious program, are far more common than attacks on security vulnerabilities. Application Reputation in IE9 helps protect users from these socially engineered malware attacks. This post offers details about real-world attacks and how these protections work. For context, recent studies (like this one ) show that despite the headlines that exploits of software vulnerabilities get, people browsing the Web are more likely...
  • IEBlog

    Unlocking the power of HTML5 <audio>

    • 48 Comments
    Sounds form the background of our life. Today the HTML5 <audio> element enables Web developers to embed sounds in their applications. The flexibility of the control coupled with the integration with the rest of the platform allows several scenarios, from simple sound effects to background audio to gaming experiences to more sophisticated audio engines. This blog post walks through some of the best practices for using the <audio> tag in your Web applications, and includes useful tips from...
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