Making Tables accessible on WordPress

How do I make these tables accessible on WordPress

<!-- wp:paragraph --> <p>By Kate Deibel, PhD, Inclusion &amp; Accessibility Librarian</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>Every year, the third Thursday of May marks <a href="https://globalaccessibilityawarenessday.org/events/">Global Accessibility Awareness Day</a> (GAAD), a day to teach and focus on digital access and inclusion. Accessibility is an every day activity that should be incorporated into your work...
Code (markup):

Making Tables accessible on WordPress