> why cant we have ONE scripts to rule them all
Because those tracking scripts are provided by competing advertising platforms and they want to own the data.
Nobody trusts anybody else. The site wants to over estimate clicks, the advertiser wants to under estimate. Of course the numbers won’t match up because you lose people along the way. If you have 300 trackers they can’t all be lying to you.
Nobody trusts anybody else. The site wants to over estimate clicks, the advertiser wants to under estimate. Of course the numbers won’t match up because you lose people along the way. If you have 300 trackers they can’t all be lying to you.