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A website owner wants to improve both the Largest Contentful Paint (LCP) and First Input Delay (FID) scores. Which combined strategy is best?

hard📝 Application Q8 of 15
SEO Fundamentals - Technical SEO Basics
A website owner wants to improve both the Largest Contentful Paint (LCP) and First Input Delay (FID) scores. Which combined strategy is best?
AAdd more ads and pop-ups to engage users
BIncrease font sizes and add more animations
CRemove all images and use plain text only
DCompress images and defer non-critical JavaScript
Step-by-Step Solution
Solution:

  1. Step 1: Improve LCP by compressing images

    Smaller images load faster, improving LCP.

  2. Step 2: Improve FID by deferring non-critical JavaScript

    Deferring JS reduces main thread blocking, lowering FID.

  3. Final Answer:

    Compress images and defer non-critical JavaScript -> Option D

  4. Quick Check:

    LCP + FID improved by images + JS deferral [OK]
Quick Trick: Compress images + defer JS to boost LCP and FID [OK]
Common Mistakes:
  • Adding animations slows load
  • More ads increase layout shifts
  • Removing images harms user experience

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