I've seen this on a couple of sites now and I'm having trouble finding information about (probably because it's awkward to describe):

All internal URLs like this for example:


Are rewriting themselves to something like this:


Does anyone know what causes this? I'm running WP 3.3 and .htaccess is just the default:

    # BEGIN WordPress
    <IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    RewriteRule ^index\.php$ - [L]
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule . /index.php [L]
    # END WordPress

My Permalink settings are set to Post name and nothing in Category and Tag base.

1 Answer 1


Have a read of the following thread on the WordPress forum, apparently the AddThis plugin is the reason the hash tag is been appended to the URL.


  • The AddThis plugin is most definitely the culprit. Unchecking "Track address bar shares:" in the Advanced tab solved it. FYI I'm pretty sure I remember this setting being unchecked by default. Jan 16, 2012 at 18:04

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