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Introduction to Front End Performance Optimization

  • Create a Sprite Map 13:04
  • Create a Sprite Map 3 questions
  • Optimize JavaScript 6:14
  • Optimize JavaScript 4 questions
  • Minify Assets 8:37
  • Minify Assets 3 questions

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You have completed Optimize JavaScript!

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Quiz Question 1 of 4

What is perceived performance?

Choose the correct answer below:

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  • A
    Perceived performance is how fast a page load appears to the user. Sometimes loading assets in a different order can improve this metric even if the overall load time remains the same.
  • B
    Perceived performance is a measure of network latency. In other words, this is a measure of the time it takes for an asset to be moved from the server to the client browser.
  • C
    Perceived performance is how fast a page loads according to Google search results. This can impact SEO rankings.
  • D
    Perceived performance is how fast a page loads according to the Chrome DevTools. This metric can be optimized using various techniques.
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