Websites & patient experience · Website help · Form errors and recovery

Avoid rejecting answers before entry is finished

A field that displays an error after the first typed character may appear broken or impatient. Repeated announcements can also interrupt someone listening while they complete an answer.

What to change

Agree when validation should run for each field, separating useful immediate guidance from messages that should wait until entry is complete.

A worked example

Illustrative example

Typing the first letters of an email address does not trigger repeated rejection. A useful message appears when the visitor leaves an incomplete answer.

How to check the result

Accept when validation arrives at a helpful moment, updates after correction and avoids repeatedly interrupting unfinished input.

A mistake to avoid

Delaying all feedback until the final screen can also create unnecessary work; choose timing according to the particular question.

Your action checklist

Use these checks to prepare a discussion with your team or supplier. Tick a check when you have recorded the decision or evidence, rather than when a feature has simply been promised.

Decisions to record

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Healthcare website design showing connected desktop and mobile service and enquiry layouts.
Make the service and next step clear on every screen.
Healthcare website accessibility illustrated by a focus outline, keyboard key, contrast samples and form.
Review keyboard access, contrast and understandable form fields.
Healthcare website testing with desktop and mobile forms, a checklist and success and error states.
Check complete journeys and explain failures clearly.

Further reading

These primary sources provide additional context for the project decisions above.

Related decisions

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