WCAG 3.1.4: Abbreviations
WCAG 3.1.4 Abbreviations is a level AAA success criterion from WCAG 2.0. The expanded form of abbreviations is available.
Screen readers may spell an abbreviation unless they know the expansion.
How to test
Find abbreviations such as VAT or UK. The expansion should be available the first time.
How to fix
Use the abbr element with a title, or write the expansion in the text.
Example that fails
ETA appears with no expansion.
Example that passes the check
The text says estimated time of arrival (ETA).
Shopify
Write the expansion the first time in shipping text.
WooCommerce
Expand abbreviations in checkout help.
WordPress
Use the abbr element or the expansion in prose.
Wix
Write the full words the first time.