Accessibility in Blazor Sparkline Component
4 Nov 20253 minutes to read
The Blazor Sparkline component follows accessibility guidelines and standards, including ADA, Section 508, WCAG 2.2, and WCAG roles.
The table below outlines accessibility compliance for the Blazor Sparkline component.
| Accessibility Criteria | Compatibility |
|---|---|
| WCAG 2.2 Support |  |
| Section 508 Support | |
| Screen Reader Support | |
| Right-To-Left Support | |
| Color Contrast | |
| Mobile Device Support | |
| Keyboard Navigation Support | |
| Axe-core Accessibility Validation | |
- All features of the component meet the requirement.
- Some features of the component do not meet the requirement.
- The component does not meet the requirement.WAI-ARIA Attributes
The component follows WAI-ARIA patterns for accessibility. The following ARIA attributes are used:
- img (role)
- region (role)
- aria-label (attribute)
- aria-hidden (attribute)
- aria-pressed (attribute)
Keyboard Interaction
The component supports keyboard interaction guidelines, making it accessible for users relying on assistive technologies (AT) or keyboard navigation. Supported keyboard shortcuts:
| Windows | Mac | Description |
|---|---|---|
| Tab | Tab | Moves focus to the next element in the Sparkline. |
| Shift + Tab | ⇧ + Tab | Moves focus to the previous element in the Sparkline. |
| ↓ | ↓ | Moves focus to the data point right side from the selected point. |
| ↑ | ↑ | Moves focus to the data point right side from the selected point. |
| ESC | ESC | Cancels the tooltip for the data point. |
| Ctrl + P | ⌘ + P | Prints the Sparkline. |
Ensuring Accessibility
Accessibility is validated using axe-core with Playwright tests.
Evaluate accessibility in the Blazor Sparkline component by opening the sample in a new window and using accessibility tools.