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Missing or Inadequate Alt Text
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Not Properly Identifying Link Destination (for Images, Links, Buttons, etc.)
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Insufficient Minimum Color Contrast
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Black Text on White Background
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Insufficient Font Size
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Using Headings for Visual Styling
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Missing Captioning or Transcripts for Videos or Other Visual/Sound Elements
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Missing “Skip to” Links (to Main Content, Navigation, etc.)
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Not Providing Accessible Alternatives to Visual CAPTCHA
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Missing Form Field Labels for Inputs or Form Controls
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Changing Focus Without User’s Knowledge (Ads, Auto-Refresh, Form Entry, etc.)
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Using Mouse-only Functionality without Corresponding Keyboard Option
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Auto-playing Elements (Videos, Music, etc.) Without User Initiation
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Trapping Users Within a Pop-up Without Keyboard Method to Close or Exit
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Not Declaring a Language
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Missing or Inaccurate WAI-ARIA tags
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Not Visually Identifying Links
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Not Marking up Tables Properly
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Uses Obtrusive Javascript
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Did Not Provide Alternatives If Javascript is Not Enabled
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Broken or Illogical Tab Index
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