It is designed to bridge the gap when HTML cannot sufficiently handle accessibility concerns.
This means the first solution to accessibility is to use semantic HTML. If that does not suffice, employ ARIA. MDN Docs continues:
Developers should prefer using the correct semantic HTML element over using ARIA, if such an element exists.
From the above statements, we see ARIA comes into use where native HTML fails.
Scenarios of when to use ARIA:
The HTML5 Accessibility site outlines a list of HTML5 elements and shows accessibility support for each browser. From the site:
This includes if they are keyboard accessible, mapped to the platform accessibility APIs, and if any accessibility related features are supported. An accessibly supported feature means it is usable by people who rely on assistive technology, without developers having to supplement with ARIA or other additional workarounds.
Table showing HTML5 elements accessibility support from HTML5 Accessibility Website
The table above shows accessibility support for different sections & grouping elements in different browsers. We can see all browsers have support except Internet Explorer that has “partial support” in most cases and “not available” in one.
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HTML tags are keywords used in HTML to display web-pages with certain properties. They are further used for defining HTML elements. An HTML element consists of a starting tag.
Why we all should care. For non-developers (and developers who did not know before now), HTML is short for HyperText Markup Language which is basically a standard.
In this article, we are going to be looking at Semantic HTML, how it relates to accessibility, and why it is important. First, let’s start with the big question.
This story will give you detailed insight on Web Accessibility(A11y) based WAI-ARIA HTML attributes, why, how, when, and where to use them?