WcagSuccessCriterion

A WCAG success criterion defining a testable requirement for accessible web content.

AccessibilityComplianceUXWeb StandardsWCAGARIASection 508Disability

Properties

Name	Type	Description
id	string	The WCAG success criterion identifier, e.g. 1.1.1
title	string	Short name of the success criterion
level	string	Conformance level of the success criterion
principle	string	The POUR principle the criterion belongs to
guideline	string	The guideline number the criterion belongs to
description	string	Full text of the success criterion requirement
url	string	URL to the official WCAG success criterion documentation
version	string	WCAG version that introduced this criterion
understanding	string	URL to the understanding document for this criterion
techniques	array	List of technique identifiers applicable to this criterion

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/accessibility-standards/refs/heads/main/json-schema/wcag-success-criterion-schema.json",
  "title": "WcagSuccessCriterion",
  "description": "A WCAG success criterion defining a testable requirement for accessible web content.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "The WCAG success criterion identifier, e.g. 1.1.1",
      "example": "1.1.1",
      "pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+$"
    },
    "title": {
      "type": "string",
      "description": "Short name of the success criterion",
      "example": "Non-text Content"
    },
    "level": {
      "type": "string",
      "description": "Conformance level of the success criterion",
      "enum": ["A", "AA", "AAA"],
      "example": "A"
    },
    "principle": {
      "type": "string",
      "description": "The POUR principle the criterion belongs to",
      "enum": ["Perceivable", "Operable", "Understandable", "Robust"],
      "example": "Perceivable"
    },
    "guideline": {
      "type": "string",
      "description": "The guideline number the criterion belongs to",
      "example": "1.1"
    },
    "description": {
      "type": "string",
      "description": "Full text of the success criterion requirement"
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "URL to the official WCAG success criterion documentation",
      "example": "https://www.w3.org/TR/WCAG22/#non-text-content"
    },
    "version": {
      "type": "string",
      "description": "WCAG version that introduced this criterion",
      "example": "2.0"
    },
    "understanding": {
      "type": "string",
      "format": "uri",
      "description": "URL to the understanding document for this criterion"
    },
    "techniques": {
      "type": "array",
      "description": "List of technique identifiers applicable to this criterion",
      "items": {
        "type": "string"
      },
      "example": ["G94", "H37", "C9"]
    }
  },
  "required": ["id", "title", "level", "principle"]
}