WCAG
WCAG are the Web Content Accessibility Guidelines. You should check out the full reference if you’re developing a website .
Here are the most basic points:
- All non-text content needs to have a text alternative that serves the equivalent purpose.
- Text needs to have a contrast ratio of at least 4.5:1.
- All functionality of the content needs to be operable through a keyboard
- There needs to be a mechanism to bypass blocks of content that are repeatet on multiple web pages
- Prefer native elements over fancy JS
- Prefer special html element over
div
(i.e.main
ornav
)