Debugging Google Ad Manager

The Google Publisher Console is the primary debugging tool for GAM.

Accessing the Console

Append this to your URL:

?googfc

The Publisher Console shows:

Use these commands in the browser console to debug GPT implementation:

googletag.pubads().getSlots();

Returns array of all defined ad slots with:

googletag
  .pubads()
  .getSlots()
  .find((slot) => slot.getSlotElementId() === "div-gpt-ad-123456");

const slot = googletag.pubads().getSlots()[0];
slot.getTargetingKeys().forEach((key) => {
  console.log(key, "=", slot.getTargeting(key));
});

googletag
  .pubads()
  .getTargetingKeys()
  .forEach((key) => {
    console.log(key, "=", googletag.pubads().getTargeting(key));
  });

Key parameters in the ad request URL:

Decode Custom Parameters:

decodeURIComponent("hb_pb%3D1.50%26hb_bidder%3Drubicon");
// Returns: hb_pb=1.50&hb_bidder=rubicon