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What is First Contentful Paint (FCP) and Largest Contentful Paint (LCP) in WordPress?

What-is-First-Contentful-Paint-FCP-and-Largest-Contentful-Paint-LCP-in-WordPress

First Contentful Paint

A performance indicator called First Contentful Paint (FCP) tracks how long it takes for a web page or application to produce its first item of content. When visitors notice any visual changes on the screen, the page has loaded and is starting to become interactive.

FCP is a crucial indicator for determining how quickly users perceive a website or application to load. It offers a user-centric view of performance by showing how quickly the page presents the user with useful material. FCP is particularly important for improving user experience and lowering the impression that a page loads slowly.

The time at which the first non-empty element of the DOM (Document Object Model), such as text, graphics, or other visible elements, is rendered by the browser is typically used to calculate FCP. This statistic just shows that the initial visual rendering has started and does not necessarily suggest that the complete page has loaded.

Performance improvements for FCP include minimizing render-blocking resources (such as CSS and JavaScript), improving server response times, utilizing browser caching, and giving vital resources the highest priority for early loading. Website owners and developers can increase perceived performance, boost user engagement, and possibly boost conversion rates by cutting down on FCP time.

Largest Contentful Paint

The amount of time it takes for the largest content element in the viewport to be supplied on a web page is measured by the Largest Contentful Paint (LCP) web performance metric. It gives information about how quickly a user sees the main content of a page.

Because it frequently makes up a considerable portion of the page’s content, such as a picture or a block of text, LCP concentrates on the largest element. LCP provides a more precise illustration of the point at which people consider the page to be fully loaded and helpful by measuring the time it takes for this element to render.

The largest element in the viewport by area is identified by the browser, and it keeps track of when it first becomes visible in order to determine LCP. When an element is painted on the screen, including its content, background color, and borders, the render time is noted.

LCP is a crucial indicator for assessing and improving a website’s loading time. A quick LCP improves user experience by decreasing the likelihood that users may leave a page because it is taking too long to load.

Similar optimization methods utilized for First Contentful Paint (FCP) such as image optimization, caching, reducing render-blocking resources, and delaying JavaScript and CSS can be used to enhance LCP.

LCP is one of the key performance indicators in Google’s Page Experience upgrade, which emphasizes the value of user-friendly and quickly loaded web pages for higher search engine rankings.

10 Tips to Optimize First Contentful Paint and Largest Contentful in WordPress

1. Utilize a lightweight theme

Pick a theme that is well-coded, small, and lacks excessive bloat or pointless features. JavaScript and simple CSS-based themes can speed up initial page loads.

2. Optimize images

Before uploading photos to your WordPress site, compress and resize them. Large, uncompressed photos can have a serious negative effect on FCP. To reduce photographs without sacrificing quality, you can utilize internet tools or plugins for image optimization.

3. Enable caching

Create static HTML versions of your web pages using a caching plugin. This enhances FCP by allowing following visitors to obtain access to the cached version rather than creating the page from scratch. W3 Total Cache and WP Super Cache are two well-liked caching plugins for WordPress.

4. Reduce CSS and JavaScript

Minification is the process of shrinking the size of CSS and JavaScript files by removing whitespace, comments, and line breaks. You may automatically merge and minify these files using plugins like Autoptimize or WP Rocket.

5. Wait for JavaScript to load

JavaScript file loading can be delayed, which improves FCP by allowing the crucial rendering path to finish first. In order to delay JavaScript execution until after the page has loaded, plugins like Async JavaScript and Autoptimize can be useful.

6. Lazy load content

On your website, use lazy loading for movies and photos. This method shortens the initial page load time by delaying the loading of off-screen material until the user scrolls down to view it.

7. Optimize web fonts

If you use customized web fonts, make sure to optimize them to lessen the impact on FCP. Limit the number of font types and styles used on your website, choose a font format that loads quickly, and allow font-display: swap to display fallback fonts momentarily.

8. Reduce your use of render-blocking resources

Recognize and remove resources that slow down the page’s rendering, like CSS and JavaScript files. You can manually optimize by putting scripts to the footer or utilizing async/defer attributes, or you can use plugins such as Autoptimize to assist you defer CSS and JavaScript.

9. Make use of a CDN

A CDN (Content Delivery Network) assists in delivering static assets (images, CSS, and JavaScript) for your website from servers that are closer to the user, lowering latency and enhancing FCP. WordPress users frequently use Cloudflare and MaxCDN as CDNs.

10. Update WordPress and plugins frequently

Update your WordPress core, themes, and plugins frequently to benefit from performance and bug fixes. Software that is out of date can harm FCP.

Conclusion

After making optimizations, don’t forget to check FCP, LCP, and other performance metrics using tools like Google PageSpeed Insights, GTmetrix, or WebPageTest. This will enable you to evaluate the effects of your adjustments and pinpoint other areas for development.

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