WPMU Theme Usage Info Plugin

WPMU has two ways to activate themes – either sitewide, or on a blog-by-blog basis. But, there’s no convenient way built-in to know which themes are actually being used, or by whom. This plugin addresses that issue by creating a “Theme Usage Info” sub-menu of the Site Admin menu. Included on the page are two tables of data – one of themes currently being used, and one of themes not currently being used. The currently used themes table provides information on how many blogs are using the theme, which blogs are using it, and whether or not the theme is currently activated site-wide. The table of unused themes provides information on whether the theme is currently activated sitewide.


In addition, site admins can choose to provide this information to their users via a toggle on the administration page.


If enabled, users will be able to view data on theme usage in Appearance -> themes for every theme except the currently activated theme. A single line of text is added just before the activate link indicating how many blogs are currently using the theme:


When clicked, a scrolling list of themes is displayed in a thickbox:


Download the code from wpmudev.org.

Thanks go out to Ron and Andrea for their prior work in this area.

Leave a comment


  1. NICE work. 😀

    (downloading now…)

  2. Joe

     /  November 9, 2009

    This looks great, but the thumbnails are too small!

  3. Joe – I’m assuming you meant the pics on the blog post. I’ve made them larger. There aren’t any thumbnails in the plugin itself.

  4. Darrell

     /  November 9, 2009

    When I click on “Theme Usage Info” in Site Admin, nothing shows up (other than the nav and header). Also, when I try to visit ../wp-admin/themes.php, I get a totally blank page.

    I tried moving the plugin to /plugins to see if that would work but neither /plugins or /mu-plugins work.

    Any ideas?

    • Check your php error log. It sounds like there might be some sort of conflict going on with another plugin. Which version of WPMU are you running?

      • Darrell

         /  November 10, 2009

        I’m running WPMU, error logs don’t show anything useful/related.

        Thanks DeannaS!

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