System Design · Junior · Question 68 of 75

What is the critical rendering path?

✓Correct answer: The steps the browser takes from HTML, CSS and JS to the first pixels on screen
2The shortest network route to the server
3The order of React component renders

Explanation

Render-blocking CSS and scripts in <head> delay first paint; inlining critical CSS and deferring scripts shorten the path.

Further reading

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