Principle 1 – Perceivable

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Conformance Levels

Description

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

Questions & Answers

Are running headers in a PDF accessible?

My question is about a pdf. Should a running header be read by a screen reader? If it should be read, should the screen reader describe it as a running header? Or is reading it as is ok?

  • PDF
  • running header

Is it an accessibility issue to hide content from mobile users?

My website has a form that disappears on small mobile screens to save space, but this is also causing it to disappear at large zoom sizes on desktops. Since I don't intend to have the form available to everyone anyway, is that really a Web...

  • mobile
  • reflow
  • wcag

How should list items be nested?

I am getting an automated scanner error that “<li> elements must be contained in a <ul> or <ol>”, but in my code the <li> elements are contained in <ul>. What’s going on?

  • accessibility tree
  • lists
  • scanner errors

Should I use a form landmark?

My page has a form, and I want people to find it easily. Should it be in a form landmark? Is there any reason not to add a form landmark?

  • form
  • landmarks
  • user experience