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What is the difference between Errors, Warnings and Reviews in Accessibility?

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Errors: Issues which have been automatically determined as failures to meet success criteria in the Web Content Accessibility Guidelines (WCAG).

Warnings: Issues which have been automatically determined as failures to meet best practices in the Web Content Accessibility Guidelines (WCAG).

Reviews: Potential failures to meet best practices or success criteria in the Web Content Accessibility Guidelines (WCAG), which can only be confirmed by a manual inspection.

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