Web Accessibility and WCAG 2.1 is a relatively new area of expertise for many web developers and webmasters. We’re working to build a comprehensive knowledge base of questions and answers to help solve the unique challenges around building websites with web accessibility in mind. Browse or search our knowledge base, or submit questions to our team of developers.
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How can I make a disabled button clickable, focusable, in general “interact-able”?
I have a button on my page which I'd like to make disabled. If I use disabled as an attribute I can no longer tab navigate to it, or handle click events on the button. How can I maintain its disabled meaning, while being able...
- aria
- html
- screen readers
What does “accessibility node not exposed” mean?
I was checking to make sure an element on my page has an accessible name in Chrome's Developer Tools and under the Computed Properties section of the Accessibility panel, it says "Accessibility node note exposed. Element not interesting for accessibility." What does that mean?
- accessibility node
- hidden content
Do forms need to have visible labels?
Do my form elements need to have visible labels or is placeholder text good enough?
- form input labels
- form labels
- forms
- labels
- visible labels
What is the difference between native and custom widgets?
While reading up on WCAG, I noticed the terms "native widgets" and "custom widgets". What's the difference?
- custom widgets
- native widgets
Are empty IDs considered duplicate?
If there are multiple elements with empty IDs, are they considered duplicate?
- duplicate ids
- id attributes
Do I need aria attributes or roles on native elements?
Do I need to add aria attributes on native elements (eg. <button role="button>)?
- aria
- aria attributes
- native elements
When should I use a “null” or empty alt tag?
I've read recently that there are situations where a null or empty alt tag is appropriate. In what situations should I use an empty alt attribute?
- alt tags
- empty alt
- null alt attribute
What keyboard functions need to be compatible with a button?
I was told that my buttons need to be operable by the spacebar. Is that true? Are there any other keys that need to be supported?
- buttons
- keyboard
- keyboard support
Are there different contrast ratio requirements for text and for UI elements?
I want to make sure that my site uses proper contrast ratios. Are there different contrast ratio requirements for text and for UI elements?
- contrast
- contrast ratios
Is it OK to have multiple navigation landmarks?
I'm building some new pages and was wondering about navigation landmarks. Is it OK to have multiple navigation landmarks?
- landmark roles
- landmarks