axe DevTools Linter Accessibility Rules

This article contains information about the rules and tags recognized by axe DevTools Linter, and each rule links to a page on Deque University with more information.

Rules

axe DevTools Linter checks your source against the following rules:

1. area-alt
2. aria-allowed-attr
3. aria-allowed-role
4. aria-command-name
5. aria-conditional-attr
6. aria-deprecated-role
7. aria-dialog-name
8. aria-input-field-name
9. aria-meter-name
10. aria-progressbar-name
11. aria-prohibited-attr
12. aria-required-attr
13. aria-roles
14. aria-text
15. aria-toggle-field-name
16. aria-tooltip-name
17. aria-treeitem-name
18. aria-valid-attr
19. aria-valid-attr-value
20. autocomplete-valid
21. button-name
22. definition-list
23. empty-heading
24. empty-table-header
25. frame-title
26. html-has-lang
27. html-lang-valid
28. image-alt
29. input-button-name
30. input-image-alt
31. label
32. link-name
33. list
34. meta-refresh
35. meta-viewport
36. nested-interactive
37. object-alt
38. presentation-role-conflict
39. role-img-alt
40. select-name
41. summary-name
42. svg-img-alt
43. tabindex
44. valid-lang

Markdown Rule

axe DevTools Linter checks your Markdown source against the following rule:

• heading-order

React Native Rules

For information on the rules for linting React Native code, see Using axe DevTools Linter for React Native.

Tags

The following table shows the tags that axe DevTools Linter accepts (for selecting which rules to check your source against):

Tag Name	Accessibility Standard / Purpose
wcag2a	WCAG 2.0 Level A
wcag2aa	WCAG 2.0 Level AA
wcag21a	WCAG 2.1 Level A
wcag21aa	WCAG 2.1 Level AA
best-practice	Common accessibility best practices