Microsoft to redirect over 7,700 MSDN pages to Mozilla’s MDN web docs library

October 18, 2017

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Microsoft today made a major announcement for web developers. Microsoft is joining Google, the W3C, and Samsung to make Mozilla’s MDN Web Docs as the single place for web API reference. It will be the best place for web developers to learn and share information about developing for the web. As part of this commitment, Microsoft announced that they have started redirecting over 7,700 MSDN pages to corresponding topics in the MDN web docs library.

In addition, Microsoft has document the entire web API surface of Microsoft Edge (as of the 10/2017 Windows 10 Fall Creators Update, Build 16299) on MDN, and it will continue to be kept up-to-date with each update of Windows and EdgeHTML browser engine.

“MDN is a core part of Mozilla‚Äôs overarching mission: to ensure the Internet is a global public resource, open and accessible to all. We believe providing web developers the best possible information will enable them to deliver great web experiences that adhere to established standards and work across platforms and devices. We are excited to have Microsoft, Google, The W3C, and Samsung on board as we continue on our journey to make MDN the premiere resource for developers,” said Ali Spivak, Head of Developer Ecosystem at Mozilla.

Microsoft also mentioned that they will continue to maintain Microsoft- and Windows-focused documentation on Microsoft Docs ( This page will have Windows-specific test guidance, information on the Edge DevTools, and upcoming details about Progressive Web Apps in the Windows Store.

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