A file photo shows an illustration made with figurines set up in front of Facebook's homepage. AFP/Joel Sage
The test layout keeps the boxes that highlight friends and activities on the right side.
According to Inside Facebook,
the firm is currently rolling out the test to a small number of users.
"This is a new design Facebook is testing with a small percentage of people to make navigating timeline even easier," CNET quoted a Facebook spokeswoman, as saying.
The right hand column keeps the existing boxes such as "Recent Activity," "Friends," "Photos" and "Likes," as well as any app activity displayed by users.
But with the new design, the boxes are a smaller size than posts, the report said.
Below those boxes, the test design features only whitespace where the current design would display more posts, it added.