Hi Benjamin

Don't know if you can perhaps use the 301 tracker package to fix this?

However I'm not sure why Umbraco does not make sure to add the trailing slash under the hood. Maybe it's something no one has ever thought about.

Perhaps it's a good idea to file a feature request for having this changed on the issue tracker http://issues.umbraco.org/issues

If you create an issue please put the link in this thread so others can go and vote it up as well should they come across this post.

Have a nice friday! :)

/Jan

It might be a little long winded but what about adding a Url Rewrite rule to your web.config to force a trailing slash? You'll need to Url Rewrite IIS module installed for this to work.

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <system.webServer>
    <rewrite>
      <rules>
        <rule name="Force Trailing Slash" enabled="true" stopProcessing="true">
          <match url="(.*[^/])$" ignoreCase="true" />
          <conditions logicalGrouping="MatchAll" trackAllCaptures="false">
            <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
            <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
            <add input="{URL}" pattern="/css" negate="true" />
            <add input="{URL}" pattern="/fonts" negate="true" />
            <add input="{URL}" pattern="/images" negate="true" />
            <add input="{URL}" pattern="/scripts" negate="true" />
            <add input="{URL}" pattern="/umbraco_client" negate="true" />
            <add input="{URL}" pattern="/umbraco" negate="true" />
            <add input="{URL}" pattern=".axd" negate="true" />
            <add input="{URL}" pattern=".ashx" negate="true" />
            <add input="{URL}" pattern=".asmx" negate="true" />
            <add input="{URL}" pattern=".aspx" negate="true" />
            <add input="{URL}" pattern=".js" negate="true" />
            <add input="{URL}" pattern=".css" negate="true" />
            <add input="{URL}" pattern=".png" negate="true" />
            <add input="{URL}" pattern=".jpg" negate="true" />
            <add input="{URL}" pattern=".pdf" negate="true" />
            <add input="{URL}" pattern=".txt" negate="true" />
            <add input="{URL}" pattern=".mov" negate="true" />
            <add input="{URL}" pattern=".avi" negate="true" />
            <add input="{URL}" pattern=".gif" negate="true" />
            <add input="{URL}" pattern=".jpeg" negate="true" />
            <add input="{URL}" pattern=".html" negate="true" />
            <add input="{URL}" pattern=".xml" negate="true" />
            <add input="{URL}" pattern=".rss" negate="true" />
            <add input="{URL}" pattern=".ico" negate="true" />
            <add input="{URL}" pattern=".map" negate="true" />
            <add input="{URL}" pattern=".swf" negate="true" />
            <add input="{URL}" pattern=".gif" negate="true" />
            <add input="{URL}" pattern=".woff" negate="true" />
            <add input="{URL}" pattern=".ttf" negate="true" />
            <add input="{URL}" pattern=".otf" negate="true" />
            <add input="{URL}" pattern=".eot" negate="true" />
            <add input="{URL}" pattern=".less" negate="true" />
            <add input="{URL}" pattern=".air" negate="true" />
          </conditions>
          <action type="Redirect" redirectType="Permanent" url="{R:1}/" />
        </rule>
      </rules>
    </rewrite>
  </system.webServer>
</configuration>

I think the above could be simplified to the follow for Umbraco 7.4.3 and up:

<rule name="AddTrailingSlashRule1" stopProcessing="true">
    <match url="(.*[^/])$" />
    <conditions>
        <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
        <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
        <add input="{URL}" pattern="/umbraco_client" negate="true" />
        <add input="{URL}" pattern="/umbraco" negate="true" />
        <add input="{URL}" pattern="/install" negate="true" />
        <add input="{URL}" pattern=".axd" negate="true" />
    </conditions>
    <action type="Redirect" url="{R:1}/" />
</rule>

I tweaked this a bit after using this in the wild to the following:

            <rule name="AddTrailingSlashRule" stopProcessing="true">
              <match url="(.*[^/])$" />
              <conditions>
    <!-- General website stuff -->
                  <add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true" />
                  <add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
    <!-- Umbraco stuff -->
                  <add input="{URL}" pattern="/umbraco_client" negate="true" />
                  <add input="{URL}" pattern="/umbraco" negate="true" />
                  <add input="{URL}" pattern="/install" negate="true" />
    <!-- .net stuff -->
                  <add input="{URL}" pattern=".axd" negate="true" />
                  <add input="{URL}" pattern=".ashx" negate="true" />              
    <!-- our internal stuff -->
                  <add input="{URL}" pattern="/media" negate="true" />
                  <add input="{URL}" pattern="/assets" negate="true" />
              </conditions>
              <action type="Redirect" url="{R:1}/" />
</rule>

Just an FYI on Pete's last post - as is it seems to cause problems with the DocTypeGridEditor Preview in the backoffice. It ends up injecting front-end template HTML into the DTGE preview. The trailing slash seems to throw the preview rendering off.

To fix this you can add:

<add input="{REQUEST_URI}" pattern="dtgePreview=1" negate="true" />

In case people start noticing funny behaviour!

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