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Multiple ChoiceHard 30s

Critical CSS

Choose the best answer for: above-fold speed
Options
  1. 1Inline all CSS for the whole page regardless of viewport
  2. 2Inline only below-the-fold CSS and defer the rest
  3. 3Inline CSS needed for above-fold content; defer rest
  4. 4Ship no CSS at all and rely on browser default styles

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