Running a traffic campaign separately from a conversion campaign won’t “break” your Pixel, but it can muddy the signal Meta receives, which can affect your overall results if you're not careful.
Here's what actually happens:
Traffic campaigns optimize for clicks (link clicks or landing page views), not purchases or leads. So the Pixel sees a lot of people who click but may not be the type to convert.
Conversion campaigns, on the other hand, train the Pixel to find people who are more likely to take your desired action—like submitting a form, booking a call, or making a purchase.
So if you're running both at the same time:
The traffic campaign may flood your site with lower-quality visitors.
That noise can influence your retargeting audiences or confuse Meta’s algorithm if you're relying heavily on broad targeting and letting the Pixel “learn.”
When It Can Work:
If you’re using traffic campaigns to warm up cold audiences (and not expecting them to convert), it can still be a valid strategy—as long as:
You segment those audiences clearly (e.g., exclude traffic campaign visitors from conversion campaigns unless retargeting).
You track performance separately and don’t blend your attribution reporting.
Bottom line:
Running both campaigns isn’t wrong, but if you're not strategic about it, your Pixel could get a little “confused” about who your ideal converters are. Use traffic campaigns for awareness or testing, and keep your conversion campaigns focused and clean.