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

How do I use decorative images in social media?

I don't want to describe a decorative image. How do I make the attribute empty when using alt text in social media? e.g. I don't want a screen reader to read "Image."

  • alt tags
  • graphics
  • images
  • social media

How should I approach audio descriptions for slideshow presentations?

I want to add audio description to a slideshow that presents a photo and text exhibition. In the slideshow, images and text alternate. The audio until now only contains music. The images show people and the text gives more background about the people. When describing...

  • audio descriptions

Why can’t I use CSS :before and :after to insert content?

It's really very annoying that CSS pseudo element content, either :before or :after is outlawed. It is a really useful way of storing stock responses to activities, effectively creating global variables that have to be set only once. Eg html[lang="en"] [pageType="multichoice"] .wellDoneDiv::before{ content:"Well Done, that's...

  • CSS
  • css psuedo content

What WCAG color contrast guidelines apply to sub brand logos?

Our team is designing logos for a medical brand and we understand that LOGOS (assume primary logos, such as the Amazon logo) do not need to be ADA-Compliant, but what about subbrands that are typed out such as HEALTH BRAND | Insurance Plans?

  • branding
  • color
  • contrast
  • contrast ratios
  • text

What Is Synchronized Media?

What is synchronized media (1.2)? Is a video with audio considered synchronized?

  • audio
  • audio descriptions
  • captions
  • prerecorded video
  • video