These are the 9 custom events that fire on my website.
1. 1 Minute Time on Page
2. 2 Minutes Time on Page
3. Scroll Depth 50%
4. 1 Minute AN D 50% Scroll
5. 2 Minutes AND 50% Scroll
6. Podcast Play (starting my embedded audio player)
7. Shared Post (using social share buttons)
8. Internal The link click metric measures all clicks on links that drive users to properties on and off of Facebook. More
9. Video Watched (YouTube embed)
I use these primarily for reporting in Ads Manager. I add these columns to add context to the results. But I’ve also used them for The Performance Goal is chosen within the ad set and determines optimization and delivery. How you optimize impacts who sees your ad. Meta will show your ad to people most likely to perform your desired action. More and even targeting.
There are surely lots of ways to create these and other Conversion events tracked by the pixel, app SDK, or API that are outside of standard events. These tend to be created to fit the publisher's needs when a pre-defined standard event will not. More. I created mine using Google Tag Manager.