Inspect webpage ad delivery

Ad Manager delivery tools help you troubleshoot ads

Jump to: Get startedInspect delivery in Ad Manager | Overview of the request | Creative details | Auction details (BETA) | Share details | Simulation

The Webpage ads inspector helps you see which ads are eligible to deliver to your content. Inspecting eligible ads can help you troubleshoot or understand ad selection. You can inspect ads that appear in browsers that are used on desktops, laptops, or mobile devices (also referred as mobile web).

The Webpage ads inspector can't be used for ads that appear in mobile apps or in videos. Instead, please review the Inspect mobile app ad delivery troubleshooter or the Inspect in-stream video and audio ad delivery troubleshooter.

Some common questions that can be answered by the Webpage ads inspector are:

  • Which ads delivered on my page?
  • Why these ads and not others?
  • Are my line items and creatives set up correctly?
  • Were any protections or pricing rules applied to a given request?
  • Why is my line item behind schedule or not delivering at all?

Details can be shared with other users in your network to help collaborate and troubleshoot.

Get started

You can inspect Webpage ads that show on desktop or laptop browsers with Ad Manager's delivery tools or Google Publisher Console. For mobile web, you can only use Ad Manager.

Inspect your ads with Ad Manager delivery tools

  1. Sign in to Google Ad Manager.
  2. Click Delivery and then Delivery tools.
  3. Click Webpage ads to inspect desktop or laptop browser delivery, or click Mobile web ads to inspect mobile browser delivery.
  4. Enter the URL of the webpage to inspect.
  5.  (Optional) Select a specific line item to troubleshoot.
  6. Click Continue.
  7. Follow the on-screen instructions to confirm the page you want to inspect, then return to Ad Manager to see delivery details.

Inspect your webpage with Google Publisher Console

The information displayed in the Google Publisher Console is not part of Ad Manager delivery tools. Return to Ad Manager to see all of the details for each ad delivered.

  1. Open the webpage in a desktop or laptop browser.
  2. Open the Google Publisher Console.
  3. Click Open in Delivery Tools.

Inspect delivery details in Ad Manager

In Ad Manager delivery tools, you can review information about each request and what ad delivered. Each row on the page represents an ad slot and request. 

In the "Action" column, click Inspect for delivery details about a row, and to simulate the request if you'd like to see why a different ad delivered than the one you expected. 

Webpages with redirects will block url parameters and prevent the "Inspect ad delivery on your webpage" tool from working correctly.

When you inspect ad delivery, you'll see three tabs: Overview, Creative Details, and Auction Details:

Overview

Details about the ad request

  • Time that the request was made
  • Div: Identifies where on the page the ad slot appears, such as "top".
  • Ad unit associated with the request
  • Requested sizes: All sizes defined in the ad request.
  • Key values: All key-values defined in the ad request. Click See all to review the full list.

Information about what delivered

  • Demand channel: The method used to select the ad, such as "Open Bidding" or "Ad server". Learn more about demand channels
  • Advertiser, order, line item, and creative, each with their associated IDs. To open each in Ad Manager, click their respective names.
  • Line item type and priority
  • Creative size
  • Creative type

Creative details

The Creative details tab appears only if your account has the "Review and block Ad Exchange creatives" user role permission.

The Creative details tab includes information such as the creative that served, creative type, advertiser, associated line item and suggestion. 

Block an ad or report an issue

Block Ad Exchange or AdSense creatives, or report a potential issue with them, with the Creative details tab. Next to "suggestion", you can:

  • Block ad: Prevent the creative from serving. The blocked ad appears in the "Blocked" tab of Creative review.
  • Report to policy: Submit a creative that may have policy issues for review.

These options are available only for Ad Exchange or AdSense creatives.

Auction details (BETA)

The new Auction details tab shows pricing rules and protections applied to the ad request, and any programmatic delivery channels that were eligible to serve.

Share details

You can share the details with users who have access to your network. This helps you collaborate with others to help determine a plan for troubleshooting your line items.

  1. Above the details on the Troubleshoot page, click Share this session.
  2. Click Copy URL. The URL is now copied to your clipboard and ready to be pasted
  3. Send the URL to a user with access to your network. Tell the user to paste the URL into their browser.

Simulate ad requests

A simulation shows which line item would win if you were to request the ad slot again. If an unexpected line item wins the simulation, you can see why. Change targeting and tag information to try and get the desired line item to win the simulation.

When you click Simulate request, Ad Manager runs a simulation and provides the details outlined below. 

The "Simulate request" feature doesn’t retain information on page or server state. Therefore, competitive exclusions, roadblocks, and frequency caps will not match the original request.

Original request

This section recreates how the ad request you selected on the Troubleshoot page actually delivered. It includes:

  • Ad request details: The request and targeting information for the winning line item.
  • Winning line item details: The delivery details for the winning line item.
  • View non-delivery reasons: Click this button to see reasons why other line items were selected to serve over this one in cases that this line item was eligible. Here are details of the possible non-delivery reasons.

Simulation

Shows what would happen if you were to request this ad slot again. 

Ad request details

The request and targeting information for the simulated request. It defaults to the current settings.

Winning line item 

The delivery details for the line item that wins the simulation.

Search for the line item you were expecting to win

If an unexpected line item wins the simulation, you can use this box to search for the line item you thought would win and click Go. You’ll see a pop-up with the details for the winning line item on the left side, and the reasons for non-delivery of the line item you searched for on the right side.

Learn more about causes for line item non-delivery

Rerun simulation

You can change the targeting and tag information under "Ad request details" and then click Rerun simulation to see if the winning line item changes. If you eventually find a simulation that provides the desired winning line item, you can go back and update the actual targeting and tag information.

Why is the line item that won the simulation different from the original winner?

There are several possible reasons for this. Here are a few:

  • Every run request, whether actual or simulated, happens dynamically. As a result, several things can change from one request to the other, including run time, goals, new line items to compete against, and so forth.
  • The ad selection process can result in different line items serving from one ad request to the next.
  • The simulation only considers one ad slot at a time. Therefore, if original winning line item is part of a request with multiple ad slots, like a roadblock, it won’t win the simulation.
  • The line item reached a frequency cap.
  • The line item met its delivery goal.

Why did my line item not deliver 100%?

Ad Manager distributes impression delivery based on both the Deliver impressions setting for the line items and Ad Manager pacing rules that attempt to optimize delivery. Changes to pacing may affect traffic and delivery.

If your line item isn't delivering properly, understand more with the line item delivery troubleshooter.

Learn more about delivery pacing

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