WCAG 1.4.4 - Resize text

Visually rendered text, including text-based controls should be able to be scaled without using special assistive technology like a screen magnifier. Users may benefit from scaling all content on the Web page, but text is most critical.

Offical Requirements:

1.4.4 Resize text: Except for captions and images of text, text can be resized without assistive technology up to 200 percent without loss of content or functionality.

How to fix:

  • Specify font sizes in relative units like ems, percentages, or use named font sizes.
  • Specify the sizes of text containers in relative units like ems, so that they scale along with the contained text.
  • Consider using a "liquid" page layout, that expands, contracts and reflows as the browser viewport is expanded or contracted
  • Where possible, use actual text rather than images of text. Even if a browser is capable of scaling the image text, it's apt to look blurry and or pixellated.

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