This is part of a continuing series of web accessibility tips for IT personnel, web managers and web development groups. These tips can be used to review current website accessibility and to utilize in developing new websites with the hope of improving web accessibility for everyone.
Form error prevention, validation, and recovery techniques can have a significant impact on site usability and accessibility. Forms should be easy to understand, to complete and to submit. If there are problems with a form submission (e.g., the user did not complete a required form field), you should:
1. Alert the user to the presence of the error in an apparent and accessible manner
2. Allow the user to easily access the form elements that need to be modified
3. Allow resubmission and revalidation of the form
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