Accesibilidad Web

Level A

• 1.1.1 Non-text Content Provide text alternatives for non-text content
• 1.2.1 Audio-only and Video-only (Pre-recorded) Provide an alternative to video-only and audio-only content
• 1.2.2 Captions (Pre-recorded) Provide captions for videos with audio
• 1.2.3 Audio Description or Media Alternative (Pre-recorded) Video with audio has a second alternative
• 1.3.1 Info and Relationships Logical structure
• 1.3.2 Meaningful Sequence Present content in a meaningful order
• 1.3.3 Sensory Characteristics Use more than one sense for instructions
• 1.4.1 Use of Colour Don't use presentation that relies solely on colour
• 1.4.2 Audio Control Don't play audio automatically
• 2.1.1 Keyboard Accessible by keyboard only
• 2.1.2 No Keyboard Trap Don't trap keyboard users
• 2.2.1 Timing Adjustable Time limits have user controls
• 2.2.2 Pause, Stop, Hide Provide user controls for moving content
• 2.3.1 Three Flashes or Below No content flashes more than three times per second
• 2.4.1 Bypass Blocks Provide a "Skip to Content" link
• 2.4.2 Page Titled Use helpful and clear page titles
• 2.4.3 Focus Order Logical order
• 2.4.4 Link Purpose (In Context) Every link's purpose is clear from its context
• 3.1.1 Language of Page Page has a language assigned
• 3.2.1 On Focus Elements do not change when they receive focus
• 3.2.2 On Input Elements do not change when they receive input
• 3.3.1 Error Identification Clearly identify input errors
• 3.3.2 Labels or Instructions Label elements and give instructions
• 4.1.1 Parsing No major code errors
• 4.1.2 Name, Role, Value Build all elements for accessibility

Level AA

• 1.2.4 Captions (Live) Live videos have captions
• 1.2.5 Audio Description (Pre-recorded) Users have access to audio description for video content
• 1.4.3 Contrast (Minimum) Contrast ratio between text and background is at least 4.5:1
• 1.4.4 Resize Text Text can be resized to 200% without loss of content or function
• 1.4.5 Images of Text Don't use images of text
• 2.4.5 Multiple Ways Offer several ways to find pages
• 2.4.6 Headings and Labels Use clear headings and labels
• 2.4.7 Focus Visible Ensure keyboard focus is visible and clear
• 3.1.2 Language of Parts Tell users when the language on a page changes
• 3.2.3 Consistent Navigation Use menus consistently
• 3.2.4 Consistent Identification Use icons and buttons consistently
• 3.3.3 Error Suggestion Suggest fixes when users make errors
• 3.3.4 Error Prevention (Legal, Financial, Data) Reduce the risk of input errors for sensitive data

Level AAA

• 1.2.6 Sign Language (Pre-recorded) Provide sign language translations for videos
• 1.2.7 Extended Audio description (Pre-recorded) Provide extended audio description for videos
• 1.2.8 Media Alternative (Pre-recorded) Provide a text alternative to videos
• 1.2.9 Audio Only (Live) Provide alternatives for live audio
• 1.4.6 Contrast (Enhanced) Contrast ratio between text and background is at least 7:1
• 1.4.7 Low or No Background Audio Audio is clear for listeners to hear
• 1.4.8 Visual Presentation Offer users a range of presentation options
• 1.4.9 Images of Text (No Exception) Don't use images of text
• 2.1.3 Keyboard (No Exception) Accessible by keyboard only, without exception
• 2.2.3 No Timing No time limits
• 2.2.4 Interruptions Don't interrupt users
• 2.2.5 Re-authenticating Save user data when re-authenticating
• 2.3.2 Three Flashes No content flashes more than three times per second
• 2.4.8 Location Let users know where they are
• 2.4.9 Link Purpose (Link Only) Every link's purpose is clear from its text
• 2.4.10 Section Headings Break up content with headings
• 3.1.3 Unusual words Explain any strange words
• 3.1.4 Abbreviations Explain any abbreviations
• 3.1.5 Reading Level Users with nine years of school can read your content
• 3.1.6 Pronunciation Explain any words that are hard to pronounce
• 3.2.5 Change on Request Don't change elements on your website until users ask
• 3.3.5 Help Provide detailed help and instructions
• 3.3.6 Error Prevention (All) Reduce the risk of all input errors