3.5 million opt-ins analysis
Sumo analyzed over 3.5 million opt-ins from scroll pop-ups and reported a depth that produced the best conversions.
Scroll pop-ups appear after a visitor reaches a certain point on an article, landing page, or product page.
The reported best place to show the scroll pop-up is 47.7% down the page.
Source: Sumo — attention-grabbing popups