| 1.1.1 | Non-text content must have text alternatives | Images: "Do images have alt text?" |
| 1.2.1 | Prerecorded audio/video-only needs text alternative | Transcripts: "Written versions of recorded audio" |
| 1.2.2 | Prerecorded video must have captions | Captions: "Does recorded video have captions?" |
| 1.2.4 | Live video must have captions | Live captions: "Real-time captioning available" |
| 1.2.5 | Prerecorded video must have audio description | Audio description: "Visual content narration when needed" |
| 1.3.1 | Page structure must be programmatically determinable | Headings: "Do headings form an outline?" |
| 1.3.2 | Meaningful sequence must be determinable | Lists: "Are lists used to identify content?" |
| 1.3.3 | Instructions must not rely on sensory characteristics alone | Visual characteristics: "Avoid color as sole communication" |
| 1.3.4 | Content must not restrict orientation | See KB0036639 |
| 1.3.5 | Input purposes must be programmatically determinable | Forms: "Coded labels, prompts, error messages" |
| 1.4.1 | Color must not convey information alone | Visual characteristics: "Avoid color as sole communication" |
| 1.4.2 | Auto-playing audio must be stoppable | See KB0036639 |
| 1.4.3 | Text contrast must be at least 4.5:1 | Contrast: "Sufficient contrast between text and background?" |
| 1.4.4 | Text must be resizable to 200% | Enlarged text: "Proper scaling support" |
| 1.4.5 | Real text instead of images of text | See KB0036639 |
| 2.1.1 | All functionality must be keyboard operable | Keyboard: "All controls operable without a mouse" |
| 2.1.2 | Keyboard focus must not trap | See KB0036639 |
| 2.4.1 | Bypass blocks must exist for repeated content | Navigation: "Content bypass mechanisms available" |
| 2.4.2 | Pages must have descriptive titles | Titles: "Does page have title describing topic?" |
| 2.4.3 | Focus order must be logical | Tab and read order: "Logical navigation sequence" |
| 2.4.4 | Link purpose must be determinable from text | Links: "Ensure proper use and meaningful labels" |
| 2.4.5 | Multiple ways to locate content must exist | Finding content: "Consistent navigation, multiple ways" |
| 2.4.6 | Headings and labels must describe topic/purpose | Headings and Links items |
| 2.4.7 | Keyboard focus indicator must be visible | See KB0036639 |
| 2.5.3 | Accessible name must match visible label | Forms: "Coded labels" |
| 3.1.1 | Page language must be programmatically determinable | Language: "Has language of page been defined?" |
| 3.1.2 | Language changes must be programmatically determinable | See KB0036639 |
| 3.2.1 | Focus alone must not cause context change | Predictability: "No unexpected context changes" |
| 3.2.2 | Input alone must not cause context change | See KB0036639 |
| 3.2.3 | Navigation must be consistent across pages | Navigation: "Consistent identification" |
| 3.2.4 | Components must be identified consistently | Navigation consistency |
| 3.3.1 | Errors must be identified in text | Forms: "Accessible error messages" |
| 3.3.2 | Labels or instructions must be provided for input | Forms: "Coded labels, prompts" |
| 3.3.3 | Error suggestions must be provided | Forms: "Accessible error messages" |
| 4.1.1 | Valid parsing required | Code validation: "Valid HTML coding" |
| 4.1.2 | Name, role, value must be programmatically determinable | ARIA: "Proper markup for dynamic interfaces" |
