I believe it still holds true that the most important content should be above the fold, and that if it is above the fold then it is most likely that people will see it. BUT, if it’s below the fold that doesn’t mean people WON’T see it. Ok, not a definitive answer I know, but the best we can do right now with the data we have (stay tuned… I plan to do some research of my own on this topic).

https://www.blog.theteamw.com/2010/02/23/100-things-you-should-know-about-people-27-we-go-below-the-fold/