A comfortable height. How high a toilet stands is another buying decision. More and more toilets—and nearly all in Consumer Reports' latest tests—are what's known as comfort height.

While the toilet itself isn’t self-cleaning ... an LED night light in the bowl for midnight bathroom trips, and “Comfort Height,” which is chair-height seating to get up more easily.

This is the product's overall performance score, based on data collected from WELS (Water Efficiency Labelling and Standards) along with a variety of popular retailer sites.