Largest Contentful Paint (LCP)

Largest Contentful Paint (LCP) is a metric that measures the loading performance of a web page. It is defined as the render time of the largest block of text or image visible in the viewport. The LCP helps web developers understand the loading speed of the content that users are most likely to see and interact with on the page, making it an important factor in user experience and search engine optimisation.

Reduce Largest Contentful Paint

There are several ways to reduce the Largest Contentful Paint (LCP) on a website:

  • Optimise images: Reduce the size and resolution of the images on the page and use suitable image formats such as JPEG or WebP.
  • Minimise third-party scriptsThird-party scripts can slow down the loading of the page. Therefore, it is important to minimise their use or postpone their loading until the LCP has been recorded.
  • Use "Lazy Loading: Delay loading images and videos until they are in the viewport to improve LCP time.
  • Minimise CSS and JavaScript: Minimise the size of CSS and JavaScript files and ensure that they are loaded as early as possible in the page loading process.
  • Optimisation of the server response time: Improve the response time of the server to reduce the time it takes for the browser to receive the first byte of the response.
  • Use a fast and reliable hosting provider: The speed and reliability of your hosting provider can have a significant impact on LCP, so choose a provider that can deliver fast page loads.

By implementing these best practices, you can improve Largest Contentful Paint time so that your website is faster and you have a better user experience.


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A deep dive into optimising LCP