CODEWITHSUNDEEP
internet-explorermicrosoft-edgex-ua-compatible
Maxtech
Maxtech

Reputation: 111

Microsoft Edge shows Invalid HTML5 DOCTYPE

My project Intranet website is not showing some pages in Microsoft Edge and it is working in IE7 fine and when I tested In the using F12 console it shows below error in console

Invalid HTML5 DOCTYPE. Consider using the interoperable form "".

HTML1114: Codepage iso-8859-1 from (HTTP header) overrides conflicting codepage utf-8 from (META tag)

In my Pages it is using as below

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <meta http-equiv="X-UA-Compatible" content="IE=7" />

What to change in the DOCTYPE and in the meta tag?

Upvotes: 1

Views: 2710

Answers (1)

Zhi Lv
Zhi Lv

Reputation: 21383

This error shows up because you specified encoding inboth Content-Type HTTP Header and tag, and they are using different encode methods.

The solution is to modify the Content-Type HTTP Header to give a UTF-8 encoding, or to change the page charset in the meta tag to iso-8859-1 (which may introduce other problems).

More detail, please check this thread and the HTML charset Attribute.

Upvotes: 1

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