Accessibility
Improve site accessibility to make them more inclusive and user friendly for people with disabilities. Automate finding accessibility issues using the inbuilt open-source AXE accessibility engine that powers Lighthouse.
Best Practice – Accesskey Attribute Value Must Be Unique
Best Practice – Elements Must Not Have Tabindex Greater Than Zero
Best Practice – ARIA Dialog & Alertdialog Require Accessible Name
Best Practice – ARIA Treeitem Nodes Require Accessible Name
Best Practice – Role=text Should Have No Focusable Descendants
Best Practice – Form Elements Should Have Visible Label
Best Practice – Frames Should Be Tested With axe-core
Best Practice – Scope Attribute Should Be Used Correctly On Tables
WCAG 2.0 A – Scrollable Region Requires Keyboard Access
WCAG 2.0 A – Required ARIA Attributes Must Be Provided
WCAG 2.0 A – ARIA Attribute Must Be Used As Specified For Role
WCAG 2.0 A – ARIA Attributes Require Valid Values
WCAG 2.0 A – ARIA Attributes Require Valid Names
WCAG 2.0 A – ARIA Commands Require Accessible Name
WCAG 2.0 A – ARIA Input Fields Require Accessible Name
WCAG 2.0 A – ARIA Meter Nodes Require Accessible Name
WCAG 2.0 A – ARIA Progressbar Nodes Require Accessible Name
WCAG 2.0 A – ARIA Roles Must Be Contained By Required Parent
WCAG 2.0 A – ARIA Roles Require Valid Values
WCAG 2.0 A – ARIA Toggle Fields Require Accessible Name
WCAG 2.0 A – ARIA Tooltip Nodes Require Accessible Name
WCAG 2.0 A – Certain ARIA Roles Must Contain Specific Children
WCAG 2.0 A – Aria-braille Require Non-braille Equivalent
WCAG 2.0 A – Aria-hidden Elements Contains Focusable Elements
WCAG 2.0 A – Aria-hidden=true Must Not Be Used In <body>
WCAG 2.0 A – Elements Must Only Use Permitted ARIA Attributes
WCAG 2.0 A – Elements Must Use Allowed ARIA Attributes
WCAG 2.0 A – IDs Used In ARIA & Labels Must Be Unique
WCAG 2.0 A – Page Requires Means To Bypass Repeated Blocks
WCAG 2.0 A – Form <input> Elements Require Labels
WCAG 2.0 A – Frames Require Title Attribute
WCAG 2.0 A – Frames Require Unique Title Attribute
WCAG 2.0 A – Frames With Focusable Content Must Not Use tabindex=-1
WCAG 2.0 A – Page Must Contain <title>
WCAG 2.0 A – HTML Element Lang Attribute Value Must Be Valid
WCAG 2.0 A – HTML Element Requires Lang Attribute
WCAG 2.0 A – Image Button Requires Alternate Text
WCAG 2.0 A – Images Require Alternate Text
WCAG 2.0 A – <object> Elements Require Alternate Text
WCAG 2.0 A – Active <area> Elements Require Alternate Text
WCAG 2.0 A – Elements Marked role=img Require Alternate Text
WCAG 2.0 A – SVG Images & Graphics Require Accessible Text
WCAG 2.0 A – <video> Elements Require <track> For Captions
WCAG 2.0 A – <video> or <audio> Elements Must Not Auto-play
WCAG 2.0 A – Buttons Require Discernible Text
WCAG 2.0 A – Input Buttons Require Discernible Text
WCAG 2.0 A – Links Require Discernible Text
WCAG 2.0 A – Links Must Be Distinguishable
WCAG 2.0 A – Select Element Requires Accessible Name
WCAG 2.0 A – Summary Elements Require Discernible Text
WCAG 2.0 A – Deprecated <marquee> Element Must Not Be Used
WCAG 2.0 A – Interactive Controls Must Not Be Nested
WCAG 2.0 A – List Items Must Be Contained In List Elements
WCAG 2.0 A – Lists Must Only Contain <li> Content Elements
WCAG 2.0 A – <dt> & <dd> Elements Must Be Contained by <dl>
WCAG 2.0 A – <dl> Must Only Have Ordered <dt> & <dd> Groups
WCAG 2.0 A – <blink> Elements Deprecated & Must Not Be Used
WCAG 2.0 A – <th> Element Requires Associated Data Cells
WCAG 2.0 A – Table Header Attr Must Refer To Cell In Same Table
WCAG 2.0 AA – Meta Viewport Zoom & Scaling Disabled
WCAG 2.0 AA – Lang Attribute Requires Valid Value
WCAG 2.0 AA – Text Requires Higher Color Contrast to Background
WCAG 2.0 AAA – Text Requires Higher Color Contrast Ratio
WCAG 2.1 AA – Autocomplete Attribute Must Be Used Correctly
WCAG 2.1 AA – Inline Text Spacing Must Be Adjustable
WCAG 2.2 AA – Touch Targets Require Sufficient Size & Spacing
Best Practice – Skip-link Target Should Exist & Be Focusable
Best Practice – All Page Content Must Be Contained By Landmarks
Best Practice – Page Requires One Main Landmark
Best Practice – Page Must Not Have More Than One Banner Landmark
Best Practice – Banner Landmark Must Not Be In Another Landmark
Best Practice – Page Must Not Have Multiple Contentinfo Landmarks
Best Practice – Page Requires At Most One Main Landmark
Best Practice – Complementary Landmarks & Asides Must Be Top Level
Best Practice – Contentinfo Landmark Must Be Top Level Landmark
Best Practice – Main Landmark Must Not Be In Another Landmark
Best Practice – Landmarks Require Unique Role Or Accessible Name
Best Practice – Page Must Contain <h1>
Best Practice – Heading Levels Should Only Increase By One
WCAG 2.0 A – Form Field Must Not Have Multiple Label Elements
WCAG 2.0 A – HTML Lang & XML Lang Value Should Match
Best Practice – Ensure Elements Marked Presentational Are Ignored
Best Practice – ARIA Role Should Be Appropriate For Element
Best Practice – Headings Should Not Be Empty
Best Practice – Meta Viewport Should Allow Zoom & Scale Up to 500%
Best Practice – Alt Text Should Not Be Repeated As Text
Best Practice – Table Headers Require Discernible Text
Best Practice – Table With Identical Summary & Caption Text
WCAG 2.0 A – Deprecated ARIA Roles Must Not Be Used
WCAG 2.0 A – Server-Side Image Maps Must Not Be Used
WCAG 2.0 AAA – Delayed Meta Refresh Must Not Be Used
WCAG 2.0 AAA – Links With Same Accessible Name
