In Apple devices using iOS 14, apps in the App Store that engage in tracking requires user to opt into to allow data collection and sharing, in accordance with their App Tracking Transparency framework. As more people opt out of tracking on iOS 14 devices, ads personalization and performance reporting will be limited for both app and web conversion events

To track web events from iOS 14 or later devices and later, Facebook has introduced Aggregated Event Measurement. Aggregated Event Measurement limits the amount of data that advertisers are allowed to send to Facebook using the Facebook Pixel or other tools. It also limits domains to 8 conversion events that can be prioritized for conversion optimization. When a user takes multiple actions during a session, only the highest priority conversion event will be sent to Facebook.

To set up aggregated events for your Webstore

Step 1: Verify your website’s domain using Facebook Metatag verification option

Verifying your business domain will ensure that there will be no immediate or future disruption to your ability to configure and track pixel events on iOS 14 and later devices.

Step 2: Configure the 8 conversion events

  1. Open Facebook Events Manager (https://www.facebook.com/events_manager)

  2. Log in using your credentials.

  3. Below the overview graph, click the Aggregated Event Measurement tab.

  4. Click Configure Web Events.

  5. Click Next.

    A list of your domains appear.

  6. Select the domain you want to configure events for.

  7. Click Edit Events.

    All the Web Event Configurations for your chosen domain appear. Choose the 8 most important events for your business.

  8. Click Add Event.

  9. Select your pixel or custom conversion under Pixel / Custom Conversion.

  10. Choose the event you want to configure under Event Name.

  11. Click Submit.

    Note: For Purchase events, you can turn on Value Optimization, if conditions are met (100+ events, 10 different values in the last 7 days). If Value Optimization is on, the event will occupy 4 slots.

  12. Repeat steps 8 to 11 for all 8 events.

  13. Drag and drop your events from highest priority at the top, to lowest priority at the bottom.

  14. Click Apply.

  15. Review your event configuration changes. If your changes are correct, check the box and click Confirm.

Step 3: Update domain tracking

As advertisers will not be able to track events across multiple domains for an ad, you will need to choose a single domain where all web events will be tracked. You can choose this domain within the “tracking’ section of each ad. If this action is not taken, ads with conversion tracking that span across multiple domains may be paused.

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