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Accessibility guidelines SlideWiki
aoelen edited this page May 8, 2019
·
1 revision
This is a draft document which is not complete
- Correct heading order (from
<h1>
to<h6>
) - Use semantically meaningful HTML tags (e.g.
<aside>
,<section>
,<footer>
instead of<div>
) - ...
- A clear focus color surrounding input fields (WCAG AA contrast ratio of 3:1)
- Each form field has a connected label (using
for
oraria-labelledby
) - Required form fields have a
aria-required="true"
orrequired
attribute - On error:
-
- Errors are connected to the fields (using a
label
withfor
- or - usingaria-labelledby
)
- Errors are connected to the fields (using a
-
- The focus will go to the first form field with an error
-
- The form field will contain an
aria-invalid
attribute when invalid
- The form field will contain an
- ...
- Each image should have a descriptive alt tag
- ...