3.1.4 Abbreviations (Level AAA): WCAG explained. Axevoo

In plain English

Abbreviations and acronyms are a quiet barrier. You know what SKU, GSM, or ETA mean; a first-time shopper or someone with a cognitive difference may not. This AAA rule says make the meaning findable, usually by spelling the term out the first time you use it, or wrapping it so the full form is available.

Who this is for

People with cognitive and learning differences, who may not decode unfamiliar letters.
Anyone new to your product category and its shorthand.

How to check and fix it yourself

Scan product specs, shipping, and policy pages for abbreviations. Expand each on first use, or use the <abbr> element.

<p>Fabric weight: 180 <abbr title="grams per square metre">GSM</abbr>.</p>

<!-- or spell it out on first use -->
<p>Estimated Time of Arrival (ETA): 3 to 5 days.</p>

Where we can help

We flag unexplained abbreviations across your store and suggest where to expand them. It is a small change that makes specs and shipping clearer for every shopper.

Frequently asked questions

What does abbreviations require?+

Success Criterion 3.1.4 (Level AAA) says there must be a way to find the expanded form or meaning of abbreviations and acronyms used on the page.

Do I have to expand every single one?+

You need a mechanism to find the meaning. Common approaches are spelling it out on first use, keeping a glossary, or wrapping it in an abbr element with a title. You don't have to expand universally understood ones the same way every time, but the meaning must be discoverable.

Where does this bite on a store?+

Product specs and shipping info love abbreviations: SKU, GSM, EU, COD, ETA. A shopper who doesn't know them is left guessing. Spelling them out the first time removes the friction.

Abbreviations