Accessibility

ExcellentWebCheck checks for 99 accessibility issues. Each check maps to a WCAG success criterion or is a recognised best practice.

The website accessibility checker tests your website against all of these checks automatically.

Checks included in the accessibility checker

Showing 99 of 99 checks

Accesskey attribute should be unique
Best practice Serious
Alternative text missing for image map
WCAG A SC 2.4.4 SC 4.1.2 Critical
Incorrect technical attribute used
WCAG A SC 4.1.2 Critical
Role must have an appropriate value
Best practice Minor
Element with aria-braille* attribute should have a non-braille equivalent
WCAG A SC 4.1.2 Serious
Button / link does not have an accessible name
WCAG A SC 4.1.2 Serious
ARIA attribute is not used as described in the specification
WCAG A SC 4.1.2 Serious
Deprecated aria-role used
WCAG A SC 4.1.2 Minor
Dialog must have a name
Best practice Serious
Body is marked as hidden
WCAG A SC 1.3.1 SC 4.1.2 Critical
Hidden element is focusable
WCAG A SC 4.1.2 Serious
Input field must have a name
WCAG A SC 4.1.2 Serious
Measurement element must have a name
WCAG A SC 1.1.1 Serious Docs coming soon
Progressbar must have a name
WCAG A SC 1.1.1 Serious Docs coming soon
ARIA attribute is not allowed for element's role
WCAG A SC 4.1.2 Serious Docs coming soon
Missing required attributes
WCAG A SC 4.1.2 Critical Docs coming soon
Element is missing required child element
WCAG A SC 1.3.1 Critical Docs coming soon
Element is missing a parent element with a role
WCAG A SC 1.3.1 Critical
Invalid role value used
WCAG A SC 4.1.2 Critical Docs coming soon
Tab element must have an accessible name
WCAG A SC 4.1.2 Serious
Text role should contain only textual elements
Best practice Serious
Toggle element must have a name
WCAG A SC 4.1.2 Serious Docs coming soon
Tooltip element must have a name
WCAG A SC 4.1.2 Serious Docs coming soon
Treeitem element should have a name
Best practice Serious Docs coming soon
Unknown accessibility attribute is used
WCAG A SC 4.1.2 Critical Docs coming soon
Invalid value used for attribute
WCAG A SC 4.1.2 Critical Docs coming soon
Invalid autocomplete attribute
WCAG AA SC 1.3.5 Serious Docs coming soon
Text spacing must be adjustable
WCAG AA SC 1.4.12 Serious
Blink elements used
WCAG A SC 2.2.2 Serious
Buttons must have a name
WCAG A SC 4.1.2 Critical
Missing mechanism to skip navigation
WCAG A SC 2.4.1 Serious Docs coming soon
Insufficient color contrast between foreground and background
WCAG AA SC 1.4.3 Serious Docs coming soon
Strict color contrast requirement not met
WCAG AAA SC 1.4.6 Serious Docs coming soon
Orientation of device should not be blocked
WCAG AA SC 1.3.4 Serious Docs coming soon
Definition list structure incorrect
WCAG A SC 1.3.1 Serious Docs coming soon
Definition list item not in definition list
WCAG A SC 1.3.1 Serious Docs coming soon
Page is missing a title
WCAG A SC 2.4.2 Serious
Id attribute must be unique
WCAG A SC 4.1.2 Critical
Headings should have text
Best practice Minor
Table header should have text
Best practice Minor Docs coming soon
Focusable elements should have an appropriate role
Best practice Minor Docs coming soon
Input field must have exactly one label
WCAG A SC 3.3.2 Moderate Docs coming soon
Invalid focusable elements in frame
WCAG A SC 2.1.1 Serious Docs coming soon
A frame must have a title
WCAG A SC 4.1.2 Serious
A frame must have a unique title
WCAG A SC 4.1.2 Serious Docs coming soon
Headings should use correct hierarchy
Best practice Moderate
Inform users about hidden content
Best practice Minor Docs coming soon
Define the language of the page
WCAG A SC 3.1.1 Serious
An official language must be used
WCAG A SC 3.1.1 Serious
Language definitions conflict
WCAG A SC 3.1.1 Moderate Docs coming soon
Links with same name must have similar purpose
WCAG AAA SC 2.4.9 Minor Docs coming soon
Image must have alternative text
WCAG A SC 1.1.1 Critical
Alternative text for image is redundant
Best practice Minor Docs coming soon
Input buttons must have a name
WCAG A SC 4.1.2 Critical Docs coming soon
Image input elements must have alternative text
WCAG A SC 1.1.1 SC 4.1.2 Critical Docs coming soon
Elements in a form must have a label
WCAG A SC 4.1.2 Critical
Label content mismatch
WCAG A SC 2.5.3 Serious Docs coming soon
Form elements have visible label
Best practice Serious Docs coming soon
Banner is inside another landmark
Best practice Moderate Docs coming soon
Aside/contemplementary is inside another landmark
Best practice Moderate Docs coming soon
Contentinfo is inside another landmark
Best practice Moderate Docs coming soon
Main is inside another landmark
Best practice Moderate Docs coming soon
More than one banner on page
Best practice Moderate Docs coming soon
More than one contentinfo landmark on page
Best practice Moderate Docs coming soon
More than one main landmark on page
Best practice Moderate Docs coming soon
No main landmark found on page
Best practice Moderate Docs coming soon
Landmark name not found or is not unique
Best practice Moderate Docs coming soon
Link must be distinguishable from text
WCAG A SC 1.4.1 Serious
Link must have a name
WCAG A SC 2.4.4 SC 4.1.2 Serious Docs coming soon
List must be structured correctly
WCAG A SC 1.3.1 Serious
List item must be used correclty
WCAG A SC 1.3.1 Serious Docs coming soon
Marquee element must not be used
WCAG A SC 2.2.2 Serious Docs coming soon
Page must not unexpectedly refresh
WCAG A SC 2.2.1 Critical Docs coming soon
Meta refresh used for delayed refresh
WCAG AAA SC 2.2.4 SC 3.2.5 Minor Docs coming soon
Text scaling or zooming is disabled
WCAG AA SC 1.4.4 Moderate
Scaling viewport not allowed
Best practice Minor Docs coming soon
Interactive controls must not be nested
WCAG A SC 4.1.2 Serious Docs coming soon
Video and audio must not play automatically
WCAG A SC 1.4.2 Moderate Docs coming soon
Media must have alternative text
WCAG A SC 1.1.1 Serious Docs coming soon
Incorrect element usage for heading
WCAG A SC 1.3.1 Serious Docs coming soon
Page doesn't have a level-one heading
Best practice Moderate Docs coming soon
Presentational elements not ignored by assistive technology
Best practice Minor Docs coming soon
Content should be inside landmark areas
Best practice Moderate Docs coming soon
Images must have alternative text
WCAG A SC 1.1.1 Serious Docs coming soon
Incorrect usage of scope attribute
Best practice Moderate Docs coming soon
Region with scrollbar must be focusable
WCAG A SC 2.1.1 SC 2.1.3 Serious Docs coming soon
Select element must have a name
WCAG A SC 4.1.2 Critical Docs coming soon
Server-side image map must not be used
WCAG A SC 2.1.1 Minor
Skip links should be focusable
Best practice Moderate Docs coming soon
SVG image must have alternative text
WCAG A SC 1.1.1 Serious Docs coming soon
Tabindex above 0 used
Best practice Serious Docs coming soon
Caption contains same text as summary attribute
Best practice Minor Docs coming soon
Caption of table incorrectly used
WCAG A SC 1.3.1 Serious Docs coming soon
Touchable elements must be large enough
WCAG AA SC 2.5.8 Serious Docs coming soon
Table headers should be used
WCAG A SC 1.3.1 Critical Docs coming soon
Invalid use of headers in table
WCAG A SC 1.3.1 Serious Docs coming soon
Table header must have data cells
WCAG A SC 1.3.1 Serious Docs coming soon
Language attribute must have valid value
WCAG AA SC 3.1.2 Serious
Video must have a caption
WCAG A SC 1.2.2 Critical

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