> Now, when a person hovers their cursor over the page (or scrolls on mobile)... I can imagine many cases where real human user doesn't scroll the page on mobi

> Now, when a person hovers their cursor over the page (or scrolls on mobile)... I can imagine many cases where real human user doesn't scroll the page on mobile platform. I like the CSS approach but I'm not sure it's better than doing some bot filtering with the server logs.