Blog

How is LCP determined?

by Author

How is LCP determined?

All elements that are in the user’s screen (the viewport) are used to calculate LCP. That means that images that are rendered off-screen and then shift into the layout once they are rendered may not count as part of the Largest Contentful Paint score.

What is LCP metric?

Overview. Largest Contentful Paint (LCP) is a performance metric introduced in 2020 by Lighthouse to better measure the perceived loading experience for users. In the simplest terms, LCP measures how long it takes for the largest “content element” (e.g., hero image, heading text, etc.)

What is LCP in Page Speed?

LCP (Largest Contentful Paint) measures how long it takes for the largest piece of content to appear on the viewport. The viewport corresponds to the portion of the webpage that is visible to the user without having to scroll down.

READ ALSO:   How do I create a pixel image?

What affects LCP?

LCP is primarily affected by four factors: Slow server response times. Render-blocking JavaScript and CSS. Resource load times. Client-side rendering.

What causes LCP?

The most common causes of a poor LCP are: Slow server response times. Render-blocking JavaScript and CSS. Slow resource load times.

How do I find the LCP of a website?

Another way to measure LCP in synthetic is Google Lighthouse in Chrome Dev Tools. Go to Lighthouse tab and hit the “Generate report” button. When the test is complete, you can check the LCP scoreamong the other metrics.

How do you optimize LCP?

How to optimize Largest Contentful Paint (LCP)

  1. Optimize your images. On most websites, the above-the-fold content usually contains a large image which gets considered for LCP.
  2. Preload critical resources.
  3. Reduce server response times.
  4. Remove render-blocking resources.

What is LCP and how do you improve it?

The goal with LCP is to get useful content onto the screen as fast as possible. The time it takes to load above-the-fold elements has a direct effect on LCP. Smaller files lead to faster loading. Improving how long it takes to load and render these types of images will directly speed up LCP.

READ ALSO:   What is a medics bolo knife?

How do I find an LCP issue?

Visit Search Console and click on the Core Web Vitals link under the Enhancements Tab. Now, click on Open Report. You will see the total number of URLs affected by the LCP issue. Thereafter, click where it’s written: LCP Issue: Longer Than 4s (Desktop) or (Mobile).

How do I improve LCP on my website?

How to optimize Largest Contentful Paint (LCP)

  1. Deliver your images in lighter formats.
  2. Automatically compress your images.
  3. Provide real-time transformations for responsive images.
  4. Cache images and improve delivery time.
  5. Use a Content Delivery Network.