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Facebook Custom Conversions : How They Work
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FACEBOOK CUSTOM CONVERSIONS : HOW THEY WORK, AND WHAT THEY STILL CANNOT TELL YOU
Facebook Custom Conversions let you define and optimize for a specific action that matters to your business, rather than relying only on Meta's standard events. They are genuinely useful, and they are still part of the setup in 2026. But the world around them has changed completely since most guides were written, and the honest truth is that even a perfectly configured Custom Conversion only ever measures what Meta itself can see. Here is how they work now, and where you still need to look beyond them.