Land Canceling is one of those background mechanics that casual players never notice, most of the time. Players can use it to their benefit without fully understanding what is happening, but understanding it improves your play.
As Liam explains in the guide below, your landing frames can be in a few different states, depending on what happened beforehand. He goes frame-by-frame to ensure we can tell exactly what’s going on, and he even gives us a real example of a player using this knowledge to their advantage to get out of specific types of setups.
Source: Liam