1) security 2) annoyance 3) disagree with tracking 4) speed (rural internet yay!) I find it particularly annoying when clients demand adverts on paid-product s

1) security 2) annoyance 3) disagree with tracking 4) speed (rural internet yay!) I find it particularly annoying when clients demand adverts on paid-product sites, i.e. they have a site which is fully funded by their sales but they want that tiny bit extra at a huge cost to site appearance and load times.