This article is about Universal Analytics. If you are using the next generation of Google Analytics, refer to the Google Analytics 4 properties section of this help center.

Ads link to error pages

Check if your website allows URL parameters.

When you link Analytics and Google Ads, destination URL auto-tagging is turned on automatically. This feature allows Analytics to track information about clicks on your Google Ads ads by tagging your Google Ads keyword destination URLs with a gclid= parameter. This parameter is displayed in your landing page URL.

Example
http://www.example.com/?gclid=12345abcd

A small number of websites don't allow URL parameters, and consequently serve an error 404 page when a URL contains those parameters. If your site doesn't allow URL parameters, you can lobby your webmaster to allow them, or you can turn off auto-tagging.

To turn off auto-tagging:

  1. Sign in to your Google Ads account at https://ads.google.com.
  2. Click the gear icon, and select Account settings.
  3. Make sure you're on the Preferences tab, and click Edit in the Tracking section.
  4. Clear (disable) the Destination URL Auto-tagging checkbox.
  5. Click the Save changes button.

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