Skip to content

Tag: errors

A11y 101 – 3.3.4 Error Preventionclose up shot of gold coins

A11y 101 – 3.3.4 Error Prevention

Published on August 3, 2026

Imagine buying a car. You sign a contract. Then you discover the dealership changed the interest rate after you clicked “Accept.” Or you transfer money to a bank account. You confirm the transaction. Then you realize you sent it to the wrong person—and the funds are gone.

These aren’t typos. These aren’t forgotten passwords. These are consequential actions with legal, financial, or irreversible data implications.

And if your interface doesn’t protect users from making these mistakes, you’re not just violating WCAG—you’re exposing yourself to liability.

That’s the core of WCAG 3.3.4: Error Prevention. Unlike 3.3.3, which is about helping users fix field-level validation errors, 3.3.4 is about preventing catastrophic mistakes before they happen.

Continue readingA11y 101 – 3.3.4 Error Prevention
Comments closed
A11y 101 – 3.3.2 Labels or Instructionstools and paper instruction for furniture assembly

A11y 101 – 3.3.2 Labels or Instructions

Published on July 20, 2026

Before I Can Fill It, I Need to Know What You’re Asking 

There’s a form I encountered recently that had twelve fields. No labels. Just placeholder text inside each input that disappeared the moment you started typing. If you forgot what a field was asking for, you had to delete everything you’d entered just to see the hint again.

Twelve fields. Zero labels. Infinite frustration.

That’s not a design choice. That’s a barrier. And it’s exactly the kind of thing WCAG 3.3.2: Labels or Instructions exists to dismantle.

Continue readingA11y 101 – 3.3.2 Labels or Instructions
Comments closed