A web page is “new” if it is created, published, or substantially modified after October 31, 2020.
“Substantial modifications” include major updates to content, layout, and structure.
Accessible Web Design
When we design with access in mind, we create better digital experiences for everyone. We also save significant time and resources when we don’t have to go back and fix work we’ve already done.
Content authors should design new web pages according to the standard.
See the Web Content Guide for more details.