On January 26, Meta updated the Event Match Quality (EMQ) interface: the quantitative score ranging from 1 to 10 is back, and new built-in recommendations for improving the EMQ are available.
Here, we will describe why Event Match Quality is needed, and what exactly was updated.
Event Match Quality (EMQ) is an essential metric that reflects the accuracy of user data parameters associated with server events transmitted to Meta. This accuracy impacts how precisely server events are matched to user profiles on Meta.
Higher EMQ scores for server-side events increase the likelihood of Meta correctly linking the server event to the corresponding user profile. This linkage directly influences the conversion attribution of your Facebook ads campaigns. The higher the EMQ, the more accurate conversion attribution becomes.
Having a high Event Match Quality score also helps Meta better know what your customers like and how they behave. This means Meta's ad system can do a better job of showing your ads to people who are similar to your customers and more likely to be interested in your products.
Meta assigns a score ranging from 0 to 10, which reflects the quality of customer data you send for a particular server event and how often these events are linked to Meta accounts.
You can find these event match quality scores for all standard and custom web activities, like viewing pages, adding items to a cart, or making purchases. These scores are based on the most recent 48 hours of data, so regularly sending event data is crucial to maintain current and accurate event match quality scores.
To enhance the likelihood of matching your events with Meta accounts, you can include various customer information parameters when possible. Here's a rundown of the different customer information parameters you can send with your events using the Meta Pixel or Conversions API, along with the importance level of each parameter:
| Parameter | Priority |
| High | |
| Click ID | High |
| Facebook Login ID | Medium |
| Birthdate | Medium |
| Country | Medium |
| Phone number | Medium |
| External ID ( a unique ID from the advertiser) | Medium |
| Browser ID | Medium |
| Lead | Low |
| First name | Low |
| Last name | Low |
| City | Low |
| Zip or Postal Code | Low |
| Gender | Low |
You can also take a look at what is already recommended to increase the potential outcome.
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