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You wouldn’t know who shared until someone doesn’t actually visit the shared link, right? Unless I’m misunderstanding something. Also I don’t see how you would
by DeGi 8y ago
You wouldn’t know who shared until someone doesn’t actually visit the shared link, right? Unless I’m misunderstanding something. Also I don’t see how you would build a custom audience on FB for the people who shared, e.g. by copy-pasting the URL from the location bar. I see how you would do it on some javascript event (e.g. page load, click on share button, etc.), but that’s not the same.
- downandout 8y agoCorrect, we don't know who shared until someone visits the link. But, we can build a custom audience after the fact because the Facebook retargeting pixel lets you pass an arbitrary ID of your choosing with each pixel load (the variable name is "extern_id" [1]). So when a click comes in on a given URL that we know had to have been shared, we know what extern_id we gave to Facebook for the original user that shared the link on the pixel fire back when they first visited the site. We can then build a custom audience using a list of those extern_id's for only people that have shared, after the fact. https://developers.facebook.com/docs/marketing-api/audiences-api/ https://developers.facebook.com/docs/marketing-api/audiences... - see "External Identifiers"