It's not all them -- I think the saying that "Moore given and Gates taketh away probably translates across to browsers and web pages, too. Browser speed increas

It's not all them -- I think the saying that "Moore given and Gates taketh away probably translates across to browsers and web pages, too. Browser speed increases to render HTML and run JS faster, people worry less about performance and write slower pages because browsers are faster now, rinse and repeat. This applies even more so to served ad code, where there are no incentives to perform well.