Setting user-scalable=no in the viewport tag is discouraged because:

  1. It slows the page
  2. It breaks media queries
  3. It disables JavaScript
  4. It prevents users with poor eyesight from zooming (accessibility)
Answer

D) It prevents users with poor eyesight from zooming (accessibility)

Disabling zoom harms accessibility.

Computer Science MCQ · More HTML5 for Mobiles MCQs · Practise