For this verification, you need to go to your Google Analytics account, into the Custom Reports section.
There click on the New Custom Report button.
Give an Adloop related title to your report so you can identify it quickly, for example Adloop check.
Name the first report content tab βAdloop CD1β. You will need to create a tab for every custom dimension that you set up for Adloop.
Choose the Explorer type.
As metrics, choose: sessions, revenue (if applicable), page views, transactions (or your main conversion event) and new users.
As dimension drilldown, choose the Adloop custom dimension.
You need to repeat this step for every Adloop custom dimension, using the Duplicate this tab button. Just donβt forget to update the Adloop custom dimension for every report.
If you have two custom dimensions, you can name the second tab Adloop CD 2, if three the third can be named Adloop CD 3 and so on.
When you are finished, click on duplicate this tab once again.
Name this tab βsource/mediumβ and as dimension drilldown choose source / medium.
You can now save the report.
Now we need to check that the Adloop script is gathering the same information as the Google Analytics one.
For that, you can open a table (Excel for example) and create the create a file like this one :
That you will fill out with the informations from the Google Analytics Custom Report we just created in the previous step for each line.
If you have several custom dimensions, create a Total Adloop CD line in which you will sum all the numbers from the different Adloop custom dimensions.
You can now create a line to calculate the percentage of difference between the data gathered in the Adloop custom dimension(s) and the data gathered in Google Analytics.
Use the following formula: (Adloop cell) / (GA cell) for every metrics.
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Ideally, you have 100% everywhere, but that is that always the case!
For revenue and transactions, it is very important that we aim at a 100% score, meaning that we get all conversions.
But for sessions, pageviews and new users, our script, for some reason (including cookie consent), doesnβt get triggered. The discrepancy should be under 2-3% for those metrics.
Bigger discrepancies mean that the Adloop tag is not triggered as often as it should. Please check the trigger rule for the Adloop tag: it should be fired before the GA pageviews tag.