WAI: Strategies, guidelines, resources to make the Web accessible to people with disabilities
| Technique | Technology | Implementations |
|---|---|---|
| Validating Web pages | General | 8 |
| Using HTML according to spec | General | 7 |
| Ensuring that opening and closing tags are used according to specification | (X)HTML | 9 |
| Ensuring that Web pages are well-formed | (X)HTML | 7 |