IEBlog

Internet Explorer Team Blog

  • IEBlog

    IE8 Security Part V: Comprehensive Protection

    • 128 Comments
    Hi! I’m Eric Lawrence, Security Program Manager for Internet Explorer. Last Tuesday, Dean wrote about our principles for delivering a trustworthy browser ; today, I’m excited to share with you details on the significant investments we’ve made in Security for Internet Explorer 8. As you might guess from the length of this post, we’ve done a lot of security work for this release. As an end-user, simply upgrade to IE8 to benefit from these security improvements. As a domain administrator, you can use...
  • IEBlog

    The First Year of IE7

    • 393 Comments
    It’s been a little over a year since we released IE7 on Windows XP and for Windows Vista, so I thought it would be worthwhile to talk about where we are after the year. According to internal Microsoft research based on data from Visual Sciences Corporation, there are over 300 million users are experiencing the web with IE7. This makes IE7 the second most popular browser after IE6. IE7 is already #1 in the US and UK, and we expect IE7 to surpass IE6 worldwide shortly. Perhaps more important...
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    Protected Mode for IE7 in Windows Vista - Is it On or Off?

    • 53 Comments
    Hi, my name is Sharath Udupa and I’m a developer on the IE team. Many customers have asked us about when Protected Mode feature is turned on or off for Internet Explorer in Windows Vista.The Protected Mode feature is available only in Windows Vista. By default, Protected Mode is enabled for Internet, Intranet and Restricted zones while disabled for the Trusted Sites and Local Machine zone. To enable or disable Protected Mode for a zone go to: Internet Options > Security tab > Select the...
  • IEBlog

    IE8 and Loosely-Coupled IE (LCIE)

    • 55 Comments
    Hi, my name is Andy Zeigler, and I’m a Program Manager on the Internet Explorer Foundations team. I’d like to tell you about a new IE8 feature called Loosely-Coupled IE, or LCIE for short. Essentially, LCIE is a collection of internal architecture changes to Internet Explorer that improve the reliability, performance, and scalability of the browser. It also paves the way for future improvements in other areas, including security and usability. To do this, we’ve isolated the browser frame and...
  • IEBlog

    Internet Explorer 8 Final Available Now

    • 342 Comments
    Today we’re excited to release the final build of Internet Explorer 8 in 25 languages. IE8 makes what real people do on the web every day faster, easier, and safer. Anyone running Windows Vista, Windows XP, and Windows Server can get 32- and 64-bit versions now from http://www.microsoft.com/ie8 . (Windows 7 users will receive an updated IE8 as part of the next Windows 7 milestone.) We’ve blogged a lot here about what’s in IE8. Stepping back from individual features, Internet Explorer is focused...
  • IEBlog

    Native XMLHTTPRequest object

    • 138 Comments
    Hello, I’m Sunava Dutta and I am a Program Manager in the Internet Explorer team. I’m excited to mention that IE7 will support a scriptable native version of XMLHTTP. This can be instantiated using the same syntax across different browsers and decouples AJAX functionality from an ActiveX enabled environment. What is XMLHTTP? XMLHTTP was first introduced to the world as an ActiveX control in Internet Explorer 5.0. Over time, this object has been implemented by other browsing platforms, and...
  • IEBlog

    The IE10 User-Agent String

    • 50 Comments
    We recently announced IE10 Platform Preview 1 . Aside from some exciting new features , this platform preview also includes the new IE10 user-agent string : Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0) Overall this represents a natural evolution of the IE9 user-agent string with only two changes: The value of the “MSIE” token is now “10.0” The value of the “Trident” token is now “6.0” Also, Compatibility View still maps to IE7...
  • IEBlog

    HTML5, Modernized: Fourth IE9 Platform Preview Available for Developers

    • 280 Comments
    IE9 started from the premise that the modern web will deliver HTML5 experiences that feel more like native applications than sites. Building on hardware-accelerated SVG, canvas, video , audio, and text, developers will use the power of the whole PC to achieve great performance. On the modern web, developers will use the same markup across different HTML5 browsers. With IE9, we have worked much more closely with the developer community. Developers have had an earlier (and more frequently updated...
  • IEBlog

    Testing Multiple Versions of IE on One PC

    • 77 Comments
    Previous posts described the importance of developing sites with feature detection and debugging a site’s behavior in older versions of Internet Explorer using IE’s browser and document modes . Testing production Web sites against multiple browsers and multiple browser versions is a reality of Web development. IE9’s emulation of older IE document modes makes this easier but those emulations are not exact. Some developers need a convenient way to run multiple versions of Internet Explorer on one PC...
  • IEBlog

    Enhanced Protected Mode

    • 36 Comments
    Every release of Internet Explorer includes new security enhancements to help keep you safe as you browse the Internet. The new Enhanced Protected Mode in Internet Explorer 10 helps keep your data safe even if an attacker has exploited a vulnerability in the browser or one of its add-ons. There is no single thing that can keep you secure by itself, so we pursue multiple strategies, including: Protection from socially-engineered attacks There are a variety of miscreants that want to steal...
  • IEBlog

    More IE8 Extensibility Improvements

    • 25 Comments
    We’ve made a few improvements to our extensibility model in IE8 RC1 based on feedback we’ve received both internally and externally. WebBrowser (WebOC) Rendering Mode Changes About a year ago, I posted an entry talking about WebBrowser Control Rendering Modes in IE8 . You may recall that applications using the WebBrowser Control (also known as the WebOC, or Trident hosts) can use a Feature Control Key to select the default rendering mode of webpages they load. Since our release of IE8 Beta...
  • IEBlog

    IE Developer Toolbar Beta 3 - Now Available

    • 134 Comments
    We’re happy to announce the availability of a new beta of the IE Developer Toolbar . Along with all the features available previously this release contains some new features to improve the usability and help web designers troubleshoot issues on their pages. User Interface Update . You’ll notice some changes to the user interface. There is now a single button on the IE command bar that allows the user to quickly toggle on and off the bottom panel which then gives easy access to all the features. After...
  • IEBlog

    The Internet Explorer 8 User-Agent String

    • 207 Comments
    As Dean announced , a beta version of Internet Explorer 8 will be released in the first half of 2008. The HTTP headers of every web request contain a simple string called the "User-Agent" that allows servers to identify the type and version of the visitor’s browser. For a deeper understanding of the User-Agent string, please see Understanding User-Agent Strings . When released, the IE8 beta will introduce an updated User-Agent string. For IE8, we’ve simply replaced "MSIE 7.0" with "MSIE 8.0...
  • IEBlog

    Internet Explorer 8 Beta 2 Now Available

    • 304 Comments
    We’re excited to release IE8 Beta 2 today for public download. You can find it at http://www.microsoft.com/ie8 . Please try it out! You’ll find versions for 32- and 64-bit editions of Windows Vista, Windows XP, Windows Server 2003, and Windows Server 2008. In addition to English, IE8 Beta 2 is available in Japanese, Chinese (Simplified), and German. Additional languages will be available soon. While Beta 1 was for developers, we think that anyone who browses or works on the web will enjoy IE8...
  • IEBlog

    IE11 Developer Preview for Windows 7: Enabling Next Generation Sites and Apps - Faster

    • 121 Comments
    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 sites, and completely revised F12 developer tools. The Developer Preview of IE11 on Windows 7 is available for download today. This video shows some of the performance, Web programming,...
  • IEBlog

    Beta 3 UX Improvements

    • 359 Comments
    Hi everybody, Max here. I posted before about " A New Look for IE ” back when we released the beta 2 preview, and with the launch of beta 3, I wanted to take a moment to tell you about some of the new functionality we have added and changes we have made specifically related to your feedback. First and foremost, let me thank everybody who has put the time and effort towards giving us feedback, whether it’s through our connect site , participating in our monthly online chats , talking with us at...
  • IEBlog

    IE8 and Reliability

    • 122 Comments
    Developing technologies that work reliably on their own and as part of the computing ecosystem is core to our mission and is an important part of our commitment to Trustworthy Computing. Our customers and partners expect technologies and services they can depend on anytime, anywhere, and on any device. We focus on constant improvements to the dependability of our technologies and services. For Internet Explorer, reliability means that the browser should always start quickly, perform well, connect...
  • IEBlog

    Upgrading to Internet Explorer 8 Beta 2

    • 60 Comments
    I am here to tell you how to upgrade to IE8 Beta 2. IE8 Beta 2 system requirements are the same as IE8 Beta 1 and it’s currently available in English, Chinese Simplified, German and Japanese. Stay tuned for more localized IE8 Beta 2 versions to be available shortly. Windows XP or Windows Server 2003 Getting Ready Before you start IE8 Beta 2 installation, there are a couple of things to keep in mind: Uninstalling IE8 Beta 1 If you have Internet Explorer 8 Beta 1 installed, the...
  • IEBlog

    Internet Explorer 7 Beta 2 (and more) Available

    • 279 Comments
    This evening we released IE7 Beta 2 at http://www.microsoft.com/ie . This release is not the preview or the update to the preview, but the real Beta 2 of IE7 for Windows XP SP2, Windows Server 2003 SP1, and Windows XP 64-bit Edition. Simply: please try it. We acted on a lot of the feedback and bug reports from the previous public releases. In particular, I feel good about changes we made based on reports from web developers around some CSS behaviors, application compatibility feedback, reliability...
  • IEBlog

    Internet Explorer 7 Release Candidate Now Available

    • 249 Comments
    This morning we released our first public release candidate, IE7 RC1, for Windows XP. You can download it at http://www.microsoft.com/ie . The RC1 build includes improvements in performance, stability, security, and application compatibility. You may not notice many visible changes from the Beta 3 release ; all we did was listen to your feedback, fix bugs that you reported, and make final adjustments to our CSS support. I do want to call attention to two changes in particular. First, IE7 RC1...
  • IEBlog

    IE8 Security Part I: DEP/NX Memory Protection

    • 40 Comments
    Hi, I’m Eric Lawrence from the Internet Explorer Security Team. With the RSA security conference kicking off this week, I wanted to start sharing more information about the security features and benefits of Internet Explorer 8 Beta 1. Over the next several weeks, we’ll blog in greater detail about some of the security improvements in Beta 1, such as the new Safety Filter, greater control over ActiveX controls, and new AJAX features for safer mashups (XDomainRequest and XDM). This is not a complete...
  • IEBlog

    Asynchronous Programming in JavaScript with “Promises”

    • 18 Comments
    Asynchronous patterns are becoming more common and more important to moving web programming forward. They can be challenging to work with in JavaScript. To make asynchronous (or async) patterns easier, JavaScript libraries (like jQuery and Dojo) have added an abstraction called promises (or sometimes deferreds). With these libraries, developers can use promises in any browser with good ECMAScript 5 support. In this post, we’ll explore how to use promises in your web applications using XMLHttpRequest2...
  • IEBlog

    Testing sites with Browser Mode vs. Doc Mode

    • 43 Comments
    With site developers verifying that their sites run well in IE9 and taking advantage of the new HTML5 capabilities and better performance in IE9’s Standards mode, now is a good time to recap how to use Browser Mode and Document Mode to test sites for IE9 and previous IE versions. In summary, developers can use IE’s Developer Tool’s Browser Mode menu to test how their site will run in different versions of IE. The Document Mode menu is what developers use to determine the best rendering mode for their...
  • IEBlog

    Internet Explorer Administration Kit and Group Policy in IE7

    • 28 Comments
    I am a program manager on the Internet Explorer team and in this post I would like to share what we are doing in the manageability, customization and deployment space. The two key features are IEAK 7 - The Internet Explorer Administration Kit , and GP - Group Policy in Internet Explorer 7. Before going on to IEAK & GP, I want to briefly talk about some terms I have used ahead - Deployment - The process of distributing and installing a software program on a number of machines. This becomes...
  • IEBlog

    Must Have Add-Ons for IE7

    • 69 Comments
    With your freshly installed Internet Explorer 7, take time to explore our library of add-ons. The IE Add-Ons website has over 400 add-ons registered to date, and many more are on the way. The IE7 team took the last few weeks (in between last minute bug fixes) to collect our must-have list below. All of the add-ons in our list are free to download, integrate well with IE7, and provide extraordinary functionality. Stay Safe and Secure: Windows Defender is a must-have for anyone concerned about spyware...
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