Facebook Pixel vs Server-Side Tracking

Browser-side and server-side tracking solve overlapping but different implementation problems.

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Browser-side pixel

A browser pixel records events from the visitor's browser and is relatively straightforward to deploy.

Server-side event forwarding

Server-side implementations can reduce reliance on browser-side mechanisms and provide more control over event delivery.

Many setups use both

These approaches are often complementary rather than strictly either/or.