![]() ![]() ![]() While other requests on the page can affect LCP, these two requests-specifically the times when the LCP resource begins and ends-reveal whether or not your page is optimized for LCP. Most page loads typically include a number of network requests, but for the purposes of identifying opportunities to improve LCP, you should start by looking at just two: This guide will present a methodology for how to break down LCP into its most critical sub-parts and then present specific recommendations and best practices for how to optimize each part. ![]() Optimizing for LCP is a complex task, and with complex tasks it's generally better to break them down into smaller, more manageable tasks and address each separately. To improve LCP you have to look at the entire loading process and make sure every step along the way is optimized. It's rare that a quick fix to a single part of a page will result in a meaningful improvement to LCP. There are a number of factors that can affect how quickly the browser is able to load and render a web page, and blockage or delays across any of them can have a significant impact on LCP. ![]() To provide a good user experience, sites should strive to have an LCP of 2.5 seconds or less for at least 75% of page visits. Specifically, LCP measures the time from when the user initiates loading the page until the largest image or text block is rendered within the viewport. Largest Contentful Paint (LCP) is one of the three Core Web Vitals metrics, and it represents how quickly the main content of a web page is loaded.
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