DFP FAQ

What options are available to ingrate Salesforce DMP with DFP?
Salesforce DMP offers a server-to-server (S2S) and key value pair integration.

What is the difference between a server-to-server and key value pair DFP integration?
S2S integration: Allows for segments to be pushed to DFP Audience automatically on a nightly batch refresh.

Key Value Pair integration: Allows for segments to be pushed into the DFP ad call via the interchange snippet, which pulls segments from Local Storage and pushes them into the ad call. 

How are users matched between Salesforce DMP and Google?
KUIDs are matched against Google’s user IDs to determine if a user fits the criteria of a segment. This is done via a combination of the Interchange Snippet and Google user match pixel firing on a site(s).

What population considerations are made when a segment is pushed from Salesforce DMP to DFP?
When a segment is pushed to DFP, Safari IDs are removed from the total population since Safari does not allow third party cookies.

Salesforce DMP then identifies all KUIDs that match to a Google user ID. The users that match are pushed to DFP, while remaining KUIDs are eliminated from the population sent to DFP.

Why is my population size smaller than expected in Google DFP?

  • Mismatched lookback windows: By default, DFP will only look at the last 30-days of data despite the segment look back in Salesforce DMP potentially being much longer. To get around this, ask your reps at Google to make your default lookback window longer – for example 90 days.

  • Reporting Lag Time: It can take up to six weeks for DFP to provide reliable forecasting. As such, while the segment may have a population of 1M today, it could take up to six weeks for Google to reflect that population.

  • Device Composition: Salesforce DMP uses predictive cookie matching to fill in the gaps where cookies may not be present, such as mobile apps, Safari browser, ad blocking software, etc. However, because Google is looking for active audience cookies, the two systems use different logic around device composition. If your segment includes a high volume of non-stable cookies (mobile/Safari/cookie-less devices), that can impact the match rate.

  • 2nd and 3rd Party Data: Salesforce DMP match rates can be higher than DFP because we are looking at the entire Salesforce DMP ecosystem for matches, whereas DFP is looking for active KUIDs in the moment on your site. To get a more accurate view between the two systems, you may consider adding an ‘AND’ rule of users that visited a specific property 1x30 days.

  • Technical Bug: Review the Partner Management report in Salesforce DMP to confirm the segment(s) is sending to DFP successfully. If the push is showing “Success” in Partner Management, please connect with your Google reps for further troubleshooting.

Why am I receiving less impressions than expected?

  • Impressions do not equal Population: Your segment size does not necessarily equal the amount of impressions served against a segment due to multiple impressions being served to individual users.

  • Device targeting: If your segment is built from users who have been seen on a number of different devices, but your targeting parameters are set to one device type (ex: desktop), this will limit the number of available impressions.

  • Geo Targeting: If your segment is built from a global set of users, but your targeting parameters are set to only US audiences, this will limit the number of available impressions.

  • Available Inventory & Prioritization: Generally, there is a waterfall process where audience sales (Salesforce DMP segments) may be prioritized last. This means that although DFP inventory returns 1M available impressions, the will be delivered only after direct sales and other units, such as sponsorships.

  • Campaign Pace: If a campaign is running within a short time period, there is less opportunity for those who fall within the segment to come to the site and be shown the ad

  • Redundancy: If multiple campaigns are targeting segments that have overlap of any kind, this can cannibalize impression volume.

Why are my forecasting numbers constantly changing in DFP?
Every time forecasting is requested, DFP goes through a new evaluation process to account for external factors that can alter forecasting results.


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