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WCAG 2.1

Web Content Accessibility Guidelines
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Understanding Error Prevention (Legal, Financial, Data)

Guideline 3.3 Input Assistance§
Help users avoid and correct mistakes.

Success Criterion 3.3.1 Error Identification§

Understanding Error Identification | How to Meet Error Identification(Level A)

If an input error is automatically detected, […]



Understanding Language of Parts

Guideline 3.1 Readable§
Make text content readable and understandable.

Success Criterion 3.1.1 Language of Page§

Understanding Language of Page | How to Meet Language of Page(Level A)

The default human language of each Web page can be […]



Understanding Consistent Identification

Guideline 3.2 Predictable§
Make Web pages appear and operate in predictable ways.

Success Criterion 3.2.1 On Focus§

Understanding On Focus | How to Meet On Focus(Level A)

When any user interface component receives focus, it does not […]



Understanding Link Purpose (In Context)

Guideline 2.4 Navigable§
Provide ways to help users navigate, find content, and determine where they are.

Success Criterion 2.4.1 Bypass Blocks§

Understanding Bypass Blocks | How to Meet Bypass Blocks(Level A)

A mechanism is available to […]



Understanding Concurrent Input Mechanisms

Guideline 2.5 Input Modalities§

Make it easier for users to operate functionality through various inputs beyond keyboard.

Success Criterion 2.5.1 Pointer Gestures§

Understanding Pointer Gestures | How to Meet Pointer […]



Understanding Re-authenticating

Guideline 2.2 Enough Time§
Provide users enough time to read and use content.

Success Criterion 2.2.1 Timing Adjustable§

Understanding Timing Adjustable | How to Meet Timing Adjustable(Level A)

For each time limit that is set by the […]

Understanding Three Flashes or Below Threshold

Guideline 2.3 Seizures and Physical Reactions§
Do not design content in a way that is known to cause seizures or physical reactions.

Success Criterion 2.3.1 Three Flashes or Below Threshold§

Understanding Three Flashes or Below Threshold | How to […]



Understanding Character Key Shortcuts

Guideline 2.1 Keyboard Accessible§
Make all functionality available from a keyboard.

Success Criterion 2.1.1 Keyboard§

Understanding Keyboard | How to Meet Keyboard(Level A)

All functionality of the content is operable through a keyboard […]

Pricing Plans
Accessibility Tax Credit

Guideline 1.4 Distinguishable§
Make it easier for users to see and hear content including separating foreground from background.

Success Criterion 1.4.1 Use of Color§

Understanding Use of Color | How to Meet Use of Color(Level A)

Color is […]



Understanding Sensory Characteristics

Guideline 1.3 Adaptable§
Create content that can be presented in different ways (for example simpler layout) without losing information or structure.

Success Criterion 1.3.1 Info and Relationships§

Understanding Info and Relationships | How to […]



Understanding Audio Description or Media Alternative (Prerecorded)

Guideline 1.2 Time-based Media§
Provide alternatives for time-based media.

Success Criterion 1.2.1 Audio-only and Video-only (Prerecorded)§

Understanding Audio-only and Video-only (Prerecorded) | How to Meet Audio-only and Video-only […]



Understanding Non-text Content

Guideline 1.1 Text Alternatives§
Provide text alternatives for any non-text content so that it can be changed into other forms people need, such as large print, braille, speech, symbols or simpler language.

Success Criterion 1.1.1 Non-text Content§ […]

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