Make sure that anything truly important remains above the fold.
If you have a long article, it’s better to present it as one scrolling canvas than to split it across multiple pageviews. Scrolling beats paging because it’s easier for users to simply keep going down the page than it is to decide whether or not to click through for the next page of a fragmented article.
Research also shows that with long pages the bottom of the page is important.
This graphic shows user concentration on a web page (using eye movement tracking).
- Above the fold: 80%
- Below the fold: 20%