When to use a wall of love
When you have enough reviews for the quantity itself to be the argument. A wall with twelve reviews looks sparse; with fifty it looks undeniable.
What you can set
Built on masonry or grid — set columns wide and the item count high
Load More on, so the page does not load everything at once
Where it works best
A dedicated testimonials page, or a long landing page where the wall is the closing argument.
Every layout takes the same sources — Google, Facebook and 69 others — so the choice here is presentation, not capability.
The other layouts
There are fourteen in the editor and they compete with each other for the same visitor, so it is worth knowing when a different one is the better answer. The full gallery shows each one running.