HTML CSS
Ensure that tables do not have the same summary and caption:
Concerts
Date Event Venue
12 Feb Waltz with Strauss Main Hall
Ensure that tables do not have the same summary and caption:
Concerts
Date Event Venue
object should have 'alt' attr:
Ensures links have discernible text:
Ensures every form element has a label:




Provide every form control a label using aria-label, aria-labelledby label or explicit label.

This calendar shows the game schedule for the Boston Red Sox.




Ensures iframe and frame elements contain a non-empty title attribute TODO: hide this error if aria-hidden is true
Ensures input type="image" elements have alternate text
Ensures links have discernible text All should be fine Error:
Ensures the contrast between foreground and background colors meets WCAG 2 AA contrast ratio thresholds

Text with low contrast

Ensures iframe and frame elements contain a unique title attribute