Research Guides: Accessibility Definitions and Resources: Web Accessibility Best Practices

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Sans Serif font is more readable for individuals with learning disabilities and should generally be prioritized over serif and more decorative fonts.
Make sure your text is large enough to be easily read, usually 12pt font and above.
Use headings, bullet points, and other structural elements to make navigation and readability easier with a screen reader.
Embed hyperlinks within your texts so that screen readers provide a description rather than reading off all of the characters in the link.
Make sure there is high color contrast between your text and the background.
Use real text rather than text within graphics.

Add brief but descriptive alt-text to all images for screen reader descriptions.
Designate decorative images as such for screen reader compatibility.
Make sure images have high color contrast.
Make sure images do not rely on color to determine meaning.
Videos should have closed captions, audio descriptions, and transcripts.

Use styles to create titles, headings, and bullet points for screen reader accessibility.
Create descriptive names for documents as well as each slide in a presentation.
Utilize built-in accessibility checkers on the platform you are using to create.
Make Sure PDFs are accessible.