Currently campaign bid strategy is “Maximise clicks”. Having a website that is unable to measure conversions (no custom code can be placed etc), would there be any detriment to changing to “Maximise conversion” when there’s no ability to track them?

Would this “poison” training data/optimisation etc (i.e clicks are not converting = bad audience)?

Do conversion focused campaigns drive higher quality traffic by default?

Taking into consideration we’re only advertising to a local radius audience (~400,000), as it’s a brick-and-mortar service business (conversions = customer booking online or walk-in).

Yes, we are looking at alternative platforms/custom website that would allow conversion tracking but it’s a particular backend that is heavily embedded into the business operations so it may be a while.