WCAG version: 2.1
Collection of success criterion published in WCAG version 2.1 in 2018. Notably adds mobile, low vision, and cognitive updates.
3.1.3 Unusual Words
Jargon and figurative language is avoided, or, where not it’s possible, the words are defined or clarified the first time they’re used on a page.
3.1.4 Abbreviations
Acronyms and shortened words are avoided; where not that’s possible, a definition are provided on each page they’re used.
3.1.5 Reading Level
Writing is kept relatively simple, and is able to be understood by primary school children.
3.1.6 Pronunciation
If a word can be pronounced more than one way, and each way has a different meaning, the meaning is clarified to avoid ambiguity.
3.2.1 On Focus
Nothing unexpected changes when something on the page receives keyboard focus, like a <button>
3.2.2 On Input
Nothing unexpected happens when a form field value is selected, like picking an option from a dropdown menu.
3.2.3 Consistent Navigation
Navigation is consistent from page to page.
3.2.4 Consistent Identification
Things that carry out a particular function must always look and work the same.
3.2.5 Change on Request
Nothing in the user interfaces changes without the user expressly requesting it using a
3.3.1 Error Identification
Errors must be clearly indicated and described to the user.
