For content authors
Sa11y is a free tool developed at Toronto Metropolitan University. The tool visually marks potential errors on the webpage and provides suggestions to fix those issues.
Sa11y can be used in any modern web browser. Install the bookmarklet. Once installed, click the Sa11y icon to run an evaluation of a webpage.
Sa11y can identify issues including:
- Incorrect headings
- Missing image descriptions
- Incorrect or ineffective hyperlink text
- Data tables lacking table headers
- Insufficient contrast