React - Lighthouse Performance audits - Deepstash

        Name - Weight in score - Summary

  1. First Contentful Paint (FCP) - 10% - Time to paint the first text or image
  2. Time to Interactive (...

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React - Lighthouse Performance audits

web.dev

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 Some of the values are calculated based on 

data from the HTT...

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Very important for this part is the font load time. For faster load, it can be used the font-display: swap. This will make the site to render the default font and when the loa...

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It measures how long it takes a page to become fully interactive. A page is considered fully interactive when:

  • The page displays useful content, which is measured b...

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PRPL is an acronym that describes a pattern used to make web pages load and become interactive, faster:

  • Push (or preload) the most important resources.

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While anything you do to improve page load speed will improve your Speed Index score, addressing the following should have a particularly big impact:

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TBT measures the total amount of time that a page is blocked from responding to user input, such as mouse clicks, screen taps, or keyboard presses. The sum is calculated by adding the blocking ...

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Try to diagnose the root cause of long tasks, using 

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This approximates when the main content of the page is visible to the users. 

The elements that are taken into consideration for Largest Contentful Paint: 

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Causes: 

  • Slow server response times
  • Render-blocking JavaScript and CSS
  • Resource load times
  • Client-side re...

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CLS is a measure of the largest burst of layout shift scores for every 

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  • Prefer transform animations to animations of properties that trigger layout changes. Animate transitions in a way that provides context and continuity from state ...

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