Use Verification with Display & Video 360

If you use Verification, you can use the list of domains you've flagged as a blacklist in Display & Video 360. Navigate to Your Campaign > Settings > Targeting  > Add Targeting > Brand safety, then select Use settings from Verification as your service.

The flagged domains configured in Campaign Manager verification (see Edit your Verification settings in the Campaign Manager Help center) will be synced to your Display & Video 360 partner (from Campaign Manager account) , advertiser (from Campaign Manager advertiser), or line item (from Campaign Manager campaign).


Frequently asked questions


What types of inventory are supported?

Currently, both standard display and desktop video inventory are supported by Verification. Mobile in-app inventory is not currently supported, which means means that no traffic from these ads shows up in Verification.


What about mobile web pages?

Mobile web traffic appears in all Verification reports; however, we do not provide content thumbnails for mobile web pages.


How many days worth of Verification data is stored?

Data is stored for 90 days.

In Verification, you can select (or export) the following date ranges, or select a custom date range of up to 30 days:

  • Last available day
  • Last 7 days
  • Last 30 days
Is Verification data sampled?

No. Verification data represents 100% of actual impressions delivered, unsampled.

Where does the geotargeting data come from?

Geotargeting data in Verification comes from Reporting. Reporting uses IP addresses as the basis for geographic reporting. Geotargeting verification allows you to view how many impressions in your campaign fell outside your desired geotargeting range (either by percentage or by total number). Click on a cell to view the data as a pie chart, broken down by geographic region. You can verify geotargeting data at the country, state, or DMA Region level.

DMA® Regions are defined by Nielsen™, and Campaign Manager uses these definitions to classify IP addresses into DMA® Regions.

If Campaign Manager Verification shows that 100% of your impressions are "Outside Geo Target," remember that the default geo setting is 0 countries. You can change this value and all geo settings on the Settings page. Learn more about geotargeting discrepancies Learn more changing Verification settings

Is the referrer URL displayed in real time, or does it represent the top referrer?

The referrer URL is part of a single example impression for the given tag. The only guarantee we can make is that this impression was seen at least once.

Did my ads really serve on the page indicated by the referrer URL?

Interpreting and organizing the content surrounding your ads is a cornerstone of Verification. This process always starts with determining the URL of a web page where an ad appeared--a step that is both crucial and, occasionally, incorrect. In most cases, Verification starts with the standard method provided by the HTTP protocol for browsers to communicate the URL of the document from which a request originated. Most browsers automatically try to include a variable called a “referrer” along with the ad request, in the form of a text string.

For example, say that your ad tag appears on a hypothetical publisher web page located at The ad request sends a message to Campaign Manager that contains the URL of the document where the request originated, as well as the referrer URL. The following example shows a request for an image to be displayed on the page indicated by the referrer URL.

Request URL:

What’s important to realize is that the value of the variable is set by the browser. While generally this is an automated process handled by industry-standard software such as Google Chrome, Internet Explorer, Firefox, or Safari, the information is ultimately under the control of the owner of the browser. This means that the value of the variable can be--and sometimes is--manipulated with absolutely no direct way to verify if it is true. Referrer URLs can be changed using tools such as browser plug-ins or even lower-level request spoofing tools. Incorrect values can also come from bugs in browsers.

No technology solution can be 100% reliable in this regard; web advertising relies on a certain level of trust in order to be successful. Therefore, while Verification is diligent about exposing all the referrer URL data we receive as part of our clients’ ad requests, it is important to keep in mind that these URLs are only true if you assume that the data provided by each browser is accurate for every page.

The judgment and context of a publisher relationship is also important in interpreting Verification data. A few suspicious impressions out of millions from a trusted partner publisher may not, in fact, mean that your ads have shown on these sites. Consistent or high-volume undesirable traffic, on the other hand, should be a signal to collaborate with your publisher on improving inventory quality.

Why do some tags have a blank spot where the referrer URL should be?

Some requests don’t provide referrer URLs. For others, the URLs are inaccurate because of nested Iframe issues, sites that require login, and so on. We are working to expose sites that require you to sign into the UI (such as Gmail), as well as ad networks with nested iframes.

Content classifiers

Which languages are covered by content classifiers?

See Limitations of Verification for a complete list of languages where content classifiers are available, as well as a list of exceptions.

How do the classifiers evaluate content?
  • Content by domains: Classification happens according to the URL where the Campaign Manager redirect is implemented.
  • Content problems: Classification depends on the content of the page where the Campaign Manager redirect is implemented.
What happens if I see content that may be incorrectly classified?

Contact your Technical Account Manager or Support if you think you've noticed any content classification issues.

Can I add a set of domains to my own whitelist so the domains won’t be flagged?

Yes. You can create whitelists or lists of flagged domains and use these whitelists in multiple places. Learn more about Verification settings

However, note that your list of flagged domains in Verification can be used in Display & Video 360, where they're known as "blacklisted domains." To block sites in your Verification flagged domains list in Display & Video 360, navigate to Targeting > Channels & URLs,  and select the "Use Verification settings for blacklisted domains".

How many domains can I add to a whitelist and a flagged list?

Each account can have 1,000 domains on each list, and a total of 20 domain lists.

What is Verification's iframe see-through rate?

Verification cannot classify all traffic; this is a complexity that all verification providers encounter. There are several reasons for this.

  • In some cases, pages might be classified incorrectly. For example, a word or phrase might indicate that a page refers to gambling, but a closer inspection might show that the reference was minor, irrelevant, or unrelated.

  • Not all pages have been classified. Your ads might have been served to pages for which we have no content data. We're working to increase coverage over time.

  • Some ad networks use cross-domain iframes. We are able to get the correct classification for the ad network domain, but not the domain of the final page.

  • Some sites have a paywall or require you to sign in. In these cases, we can get the domain but not the exact URL.

  • If a referrer URL is blank, this may be due to a desktop or mobile application or the ad may be embedded within a web application.

  • The site may have a generic ad domain, such that all ads appear to come from that URL even though they may be contained within an Iframe.

However, we are very transparent about what impressions we can verify. Select Content Coverage from the Columns drop-down to see the percentage of impressions we are able to classify.

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