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The Google Publisher Console

If your network uses Google Publisher Tags (GPT), you can use an on-screen debugging tool called the Google Publisher Console to troubleshoot delivery problems. The console checks your page for many common JavaScript tagging errors, identifies all of the ad units and creatives on the page, and helps you visualize the ad request behavior of a web page.

DFP does not count impressions when you use the console.

To enable the Publisher Console on a page tagged with the Google Publisher Tag:

  1. Append ?google_console to your page's URL.

    For example, if your page is located at, you’d modify the URL to

  2. Use the keyboard shortcut Ctrl+F10 (on a Mac, use Function+Ctrl+F10) to open the console.

  3. Alternately, you can append ?google_force_console or ?googfc to your page's URL.

    This causes the console to be automatically displayed when the page is loaded, rather than requiring the keyboard shortcut described in Step 2.

    For example, if your page is located at, you'd modify the URL to or

  4. For mobile devices, adding ?google_force_console or ?googfc will add a button to the bottom of the page which will open the publisher console in a separate window on the mobile device.

The console has two main tabs that display page information: "Ad Slots" and "Page Request" as well as a settings page which can be found by navigating through the cog icon in the right top corner. These features are described in the sections below.

The Ad Slots tab

The Ad Slots tab displays the following information:

  • Publisher's DFP ID
  • Creative size
  • Time to fetch and render this ad
  • Links to helpful debugging information

There are three links within the Ad Slots tab that help you find the most important information quickly:

  • Open Ad Unit in DFP: Opens the ad unit in the "Inventory" tab in their network.
  • Delivery diagnostics: Opens a new window with information about which line item is serving and the other line items eligible to serve to that ad slot.
  • Open Creative in a New Window: Opens the creative in a new window.
To use the "Open Ad Unit in DFP" and "Delivery Diagnostics" links, you must be logged into a DFP network. Although the use of the Google Console is not restricted to the site owner, private network information through these links are not accessible to the public.
The Page Request tab

The Page Request Tab displays the following information:

  • Tag checker will show a green checkmark with the message "Page tagged correctly!" if there are no tagging errors
  • Time to fetch and render ads
  • HTTP user agent information
  • Timeline of events in rendering ads, like the sequential view in a web proxy tool console

This tab can help troubleshoot why a page is loading slowly by showing the sequence of events that occurs during a page load.

An ad request URL has a character limit, depending on the tag type. If the character count for your ad request exceeds the limit and gets truncated, the console will display an error: "Ad unit failed to fetch." Learn more
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