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Editorial Team
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Asked: 2026-06-12T13:07:12+00:00

I have this web page that begins with <!– DOCTYPE html –> , which

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I have this web page that begins with <!-- DOCTYPE html -->, which I believe would suffice to indicate HTML 5 and make IE9 interpret it as “IE9 standards”. However, when I navigate to it, IE9 shows it as “Browser mode: IE9 Compat View”, “Document mode: IE7 standards”.

The two first lines in the page are:

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">

As a result, some of the layout is rendered incorrectly. For example, a right-aligned table cell shows left-aligned. If I manually set IE to “Browser mode: IE9”, “Document mode: IE9 standards”, then things look perfect. Other browsers work fine.

What do I need to change in order to make IE9 recognise HTML 5 and prevent it from working in compatibility mode? Thanks.

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1 Answer

  1. Editorial Team

    Two things I do:

    <!doctype html>

    and

    <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE9" >

    And take out the XMLNS

    Using: http://msdn.microsoft.com/en-us/library/cc288325(v=vs.85).aspx

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