Automated checks are not a full audit

Answer

We use automated checks on the public website. They do not cover every WCAG criterion. The pack will miss things a person would find. We say that. You still get a dated file and tickets the vendor can run this month.

Source

Published research (Deque): 16 of 50 WCAG 2.1 AA criteria can be checked automatically; about 57% of issue instances in their sample. We use that split in the method note.