The average local service site runs WordPress with a page builder and eleven plugins, and it loads in the fours on a phone. The owner has never seen it on a phone on a bad connection, because they check it on the office wifi.
Their customer checks it standing in a driveway with one bar. Half of them are gone before the hero image finishes loading, and the owner never sees a single one of them in any report. There's no line item for the people who left.