For Chrome
For Firefox
- You can toggle the extension in the extension menu of your chosen browser. Once you do that, you'll see the sunglasses icon on the bottom left of your screen.
Click on the icon to choose from the different plugins:
- headings (for example: missing h1, heading levels are not in order)
- contrast (insufficient contrast between foreground and background)
- link text (link text is unclear)
- labels (inputs missing labels)
- image alt-text (missing alt text)
- landmarks (missing landmarks - semantic HTML elements like
header,main,footer)