Principle 1 – Perceivable

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Information and user interface components must be presentable to users in ways they can perceive.

While reading up on WCAG, I noticed the terms "native widgets" and "custom widgets". What's the difference?

Do I need to add aria attributes on native elements (eg. <button role="button>)?

I've read recently that there are situations where a null or empty alt tag is appropriate. In what situations should I use an empty alt attribute?

I am curious about how to make an image act as a button and ensure it's accessible. Any guidance?

I was wondering if Google Maps is accessible or not. Do you have any info?

I am working on the accessibility of the videos we produce and was wondering how to go about adding an audio description to a YouTube or Vimeo video.

I'm working on updating my site and have become a little confused about the differences between legend and label elements. Can you explain?

I've been told to be aware of CSS pseudo content because of the way it is treated by screen readers. Do you have any guidance?

I've been told to make sure my site has an accessibility tree. What is an accessibility tree? How do I view it?

I have a ton of images without alt tags on my WordPress website. Is there a way to update these in bulk?