A complete overview of all patterns detected by the plugin.
Redundant Roles
| ID | Pattern | Description | Autofix |
|---|
| R1 | <button role="button"> | Role equals implicit role | Remove role |
| R2 | <nav role="navigation"> | Redundant landmark role | Remove role |
| R3 | <ul role="list"> | Implicit list role | Remove role |
| R4 | <li role="listitem"> | Implicit listitem role | Remove role |
| R5 | <table role="table"> | Implicit table role | Remove role |
Destructive Roles
| ID | Pattern | Description | Autofix |
|---|
| R6 | <button role="none"> | Removes interactive semantics | Remove role |
| R7 | <a href role="presentation"> | Breaks accessibility | Remove role |
| R8 | <ul role="presentation"> | Removes structural meaning | Remove role |
Role / ARIA Conflicts
| ID | Pattern | Description | Autofix |
|---|
| A1 | role="alert" aria-live="polite" | Conflicts with implicit assertive | Remove aria-live |
| A2 | role="status" aria-live="assertive" | Conflicting politeness | Remove aria-live |
| A3 | role="log" aria-live="assertive" | Redundant or conflicting | Remove aria-live |
Unsupported ARIA Attributes
| ID | Pattern | Description | Autofix |
|---|
| A4 | <div aria-checked="true"> | No valid role context | Remove attribute |
| A5 | <button aria-valuenow="5"> | Invalid attribute for role | Remove attribute |
| A6 | <img aria-expanded="true"> | Unsupported attribute | Remove attribute |
Default ARIA Values
| ID | Pattern | Description | Autofix |
|---|
| D1 | aria-hidden="false" | Default value | Remove attribute |
| D2 | aria-required="false" | Default value | Remove attribute |
| D3 | aria-expanded="false" | Default (static only) | Remove attribute |
| D4 | aria-pressed="false" | Default value | Remove attribute |
Empty / Invalid ARIA
| ID | Pattern | Description | Autofix |
|---|
| D5 | aria-label="" | Empty label | Remove attribute |
| D6 | aria-*="" | Invalid empty attribute | Remove attribute |
Interactivity Conflicts
| ID | Pattern | Description | Autofix |
|---|
| I1 | <button aria-hidden="true"> | Focusable but hidden | Remove aria-hidden |
| I2 | <a href aria-hidden="true"> | Contradiction | Remove aria-hidden |
| I3 | [tabindex] + aria-hidden | Focusable but hidden | Remove aria-hidden |
Invalid Roles
| ID | Pattern | Description | Autofix |
|---|
| V1 | <div role="buton"> | Typo in role value | ❌ None |
| V2 | <div role="superwidget"> | Invented role | ❌ None |
| V3 | <nav role="nagivation"> | Misspelled landmark role | ❌ None |
| V4 | <div role="buttn checkbox"> | Invalid token in multi-value role | ❌ None |
Redundant ARIA Values
| ID | Pattern | Description | Autofix |
|---|
| RA1 | <h1 aria-level="1"> | Implicit heading level | Remove attribute |
| RA2 | <h2 aria-level="2"> | Implicit heading level | Remove attribute |
| RA3 | <hr aria-orientation="horizontal"> | Implicit orientation | Remove attribute |
| RA4 | <progress aria-valuemin="0"> | Implicit minimum | Remove attribute |
| RA5 | <progress aria-valuemax="100"> | Implicit maximum | Remove attribute |
Abstract Roles
| ID | Pattern | Description | Autofix |
|---|
| AB1 | <div role="widget"> | Abstract role used in markup | ❌ None |
| AB2 | <div role="landmark"> | Abstract role used in markup | ❌ None |
| AB3 | <div role="command"> | Abstract role used in markup | ❌ None |
| AB4 | <div role="composite"> | Abstract role used in markup | ❌ None |
ARIA on Presentation Elements
| ID | Pattern | Description | Autofix |
|---|
| P1 | <div role="none" aria-label="x"> | ARIA on presentation element | Remove attribute |
| P2 | <span role="presentation" aria-hidden="true"> | ARIA on presentation element | Remove attribute |
| P3 | <div role="none" aria-live="polite"> | ARIA on presentation element | Remove attribute |
Positive Tabindex
| ID | Pattern | Description | Autofix |
|---|
| T1 | <input tabindex="1"> | Positive tabindex disrupts tab order | ❌ None |
| T2 | <button tabindex="5"> | Positive tabindex disrupts tab order | ❌ None |
| T3 | <div tabindex="99"> | Positive tabindex disrupts tab order | ❌ None |