Accessibility in ASP.NET MVC Rating control

30 Jan 20244 minutes to read

The Rating control followed the accessibility guidelines and standards, including ADA, Section 508, WCAG 2.2 standards, and WCAG roles that are commonly used to evaluate accessibility.

The accessibility compliance for the Rating control is outlined below.

Accessibility Criteria Compatibility
WCAG 2.2 Support Yes
Section 508 Support Yes
Screen Reader Support Yes
Right-To-Left Support Yes
Color Contrast Yes
Mobile Device Support Yes
Keyboard Navigation Support Yes
Accessibility Checker Validation Yes
Axe-core Accessibility Validation Yes
Yes - All features of the control meet the requirement.
Intermediate - Some features of the control do not meet the requirement.
No - The control does not meet the requirement.

WAI-ARIA attributes

The Rating control followed the WAI-ARIA patterns to meet the accessibility. The following ARIA attributes are used in the Rating control:

Attributes Purpose
role=slider It defines an input where the user selects a value from within a specified range.
role=button Specifies that the reset is a clickable element that resets the rating to its minimum value.
aria-label Provides an accessible name for Rating.
aria-valuemin It defines the minimum value of rating.
aria-valuemax It defines the maximum value of rating.
aria-valuenow It defines the current value of rating.
aria-hidden It specifies whether the reset button is interactive or not.

Keyboard interaction

The Rating control followed the keyboard interaction guideline, making it easy for people who use assistive technologies (AT) and those who completely rely on keyboard navigation. The following keyboard shortcuts are supported by the Rating control.

Keyboard shortcuts Actions
Space When Reset Button is focused, resets to min value.
Arrow Up Increases the value.
Arrow Left Decreases the value; in RTL mode, increases the value.
Arrow Down Decreases the value.
Arrow Right Increases the value; in RTL mode, decreases the value.

Ensuring accessibility

The Rating control’s accessibility levels are ensured through an accessibility-checker and axe-core software tools during automated testing.

The accessibility compliance of the Rating control is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Rating control with accessibility tools.

See also