level: A
Level A is the lowest level for meeting WCAG standards, and it provides the most basic support for web accessibility. Successfully implement every success criterion under Level A to achieve this standard.
2.5.2 Pointer Cancellation
Actions (like pressing a button) aren’t triggered on mouse-down; rather on mouse-up.
2.5.3 Label in Name
The visible text of a form field, button, or link matches the text in the underlying code.
2.5.4 Motion Actuation
There is no reliance on device motion, like shaking or tilting, to carry out an action.
3.1.1 Language of Page
There’s a lang attribute on the <html> element that matches the language of the page.
3.2.1 On Focus
Nothing unexpected changes when something on the page receives keyboard focus, like a <button>
3.2.2 On Input
Nothing unexpected happens when a form field value is selected, like picking an option from a dropdown menu.
3.2.6 Consistent Help
Some form of help is available from every page.
3.3.1 Error Identification
Errors must be clearly indicated and described to the user.
3.3.2 Labels or Instructions
Provide enough help to prevent form errors—sometimes the label is enough, but hint text or instructions might also be needed.
3.3.7 Redundant Entry
Users should not have to re-enter previously provided information unless necessary.
