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4.4 Success Criterion 2.5.5 – Target Size

The sizes of target (e.g. button) are at least 44 by 44 Cascading Style Sheets (CSS) pixels, except when:

  • Equivalent: The target is available through an equivalent link or control on the same page that is at least 44 by 44 CSS pixels;
  • Inline: The target is in a sentence or block of text;
  • User Agent Control: The size of the target is determined by the user agent and is not modified by the author;
  • Essential: A particular presentation of the target is essential to the information being conveyed.


Before Rectification

A webpage sample with small buttons. Buttons are too small and difficult to tap.


After Rectification

A webpage sample with larger buttons. The size of buttons is larger than 44 by 44 CSS pixels, so that users can tap the buttons easily.


WCAG 2 Reference: