Two years of strong suction and no hiccups, this workhorse vacuum has earned a spot as my permanent pool cleaner.

I tested the WYBOT S3, a robotic pool cleaner that maps your pool, docks itself, and handles much of its own maintenance.

Cleaning your pool is a necessary, frequent chore, but it doesn’t have to cut into your swimming time. A good robotic pool cleaner can make it easy to maintain your backyard swimming hole by doing ...