Microsoft rewriting module – Force www on URL Or remove www from URL

I have a shared hosting plan with Windows Server 2008 and IIS7.5, and there is Microsoft rewriting module installed and enabled.

<rewrite>
    <rules>
        <rule name="myRule" patternSyntax="Wildcard">
            <!--Rewriting code-->
        </rule>
    </rules>
</rewrite>

So, how to redirect mydomain.example/everywhere-in-site/my-page.html to www.mydomain.example/everywhere-in-site/my-page.html with Microsoft rewriting module?

And what if I want to redirect www.mydomain.example/everywhere-in-site/my-page.html to mydomain.example/everywhere-in-site/my-page.html?

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Answers:

Method 1

Answers:

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Method 1

To remove the www from a domain and redirect to a “naked domain” you could di it like in the following code snippet:

<rewrite>
  <rules>
    <rule name="Remove WWW prefix" stopProcessing="true">
      <match url="(.*)" ignoreCase="true" />
      <conditions>
        <add input="{HTTP_HOST}" pattern="^www.yourdomain.example$" />
      </conditions>
      <action type="Redirect" url="http://yourdomain.example/{R:1}" redirectType="Permanent" />
    </rule>
  </rules>
</rewrite>

And the other way around (if you prefer that) to redirect a non-www to one with www:

<rewrite>
  <rules>
    <rule name="Add WWW prefix" stopProcessing="true">
      <match url="(.*)" ignoreCase="true" />
      <conditions>
        <add input="{HTTP_HOST}" pattern="^yourdomain.example$" />
      </conditions>
      <action type="Redirect" url="http://www.yourdomain.example/{R:0}" redirectType="Permanent" />
    </rule>
  </rules>
</rewrite>

The redirectType="Permanent" is of course optional but for SEO and most scenarios I would recommend it.

Please see also these Stack Overflow questions/answers:

All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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