Marcelo Paiva
A man in glasses with his mouth open wide, holding an open newspaper in both hands.

Success criterion 3.2.2 · Level A

On Input

“Hey, I was still reading! Don't switch tabs on me!”

Who this helps: Cognitive Impairments, Visual Impairments

Success criterion 3.2.2 · Level A

On Input

Changing the setting of any user interface component does not automatically cause a change of context unless the user has been advised of the behavior before using the component.

Principle 3: Understandable · Guideline 3.2: Predictable

What each role can do

Product manager
Inform users about any context changes resulting from their actions.
Designer
Include clear indications or warnings if input will lead to changes in context.
Developer
Implement alerts or tooltips to warn users about impending context changes due to input.
Tester
Test to ensure that context changes upon input are clearly communicated.

Once it is fixed

“No more surprises! Now I feel like I'm in control. You guys rock!”

Next criterion: 3.2.3 Consistent Navigation