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Defer offscreen images is a technique to improve your site's loading speed and performance by delaying the loading of images that are not visible to the user. In this article, you will learn how to defer offscreen images on WordPress with and without plugins, and how it can help you achieve better Google Core Web Vitals scores.
Move the Image URL to the src Attribute. How to Lazy Load Images in WordPress. Option 1: Use Plain JavaScript to Defer Offscreen Images in WordPress. Option 2: Use JavaScript Lazy Loading Library. Option 3: Use a Lazy Load Plugin. Things to Watch Out for When Lazy Loading Images. That’s All.
Nov 6, 2023 · This will reduce the burden on the servers and allow them to display pages fast to the visitors. Let’s move on and see some solid benefits that you’ll get by leveraging offscreen image deferring. Why Defer Offscreen images? Offscreen image deferring directly impacts Core Web Vital‘s First Input Delay (FID) metric. FID calculates the time ...
- View Your Defer Offscreen Images Report. The first step is to view which images are showing errors in PageSpeed Insights. PSI only shows unoptimized images for the single page you test, so be sure you test your most important pages.
- Add A “lazy-bg” CSS Class. Step 1: Add the JavaScript to your site and enqueue it with funtions.php, or use Code Snippets. document.addEventListener("DOMContentLoaded", function() { var lazyBackgrounds = [].slice.call(document.querySelectorAll(".lazy-bg")); if ("IntersectionObserver" in window) { let lazyBackgroundObserver = new IntersectionObserver(function(entries, observer) { entries.forEach(function(entry) { if (entry.isIntersecting) { entry.target.classList.add("visible"); lazyBackgroundObserver.unobserve(entry.target); } }); }); lazyBackgrounds.forEach(function(lazyBackground) { lazyBackgroundObserver.observe(lazyBackground); }); } });
- Use The lazy-bg CSS Class In FlyingPress. If you’re already using FlyingPress, all you have to do is add the lazy-bg CSS class to your additional CSS class(es) and FlyingPress will do the rest, as explained in their documentation.
- Add Background Images To Inline HTML In WP Rocket. WP Rocket doesn’t lazy load most background images. This includes background images in Elementor, separate CSS files, and they also disable it in many cases for “compatibility” reasons.
Aug 31, 2021 · Another way to lazy-load images in WordPress is by using the Autoptimize plugin. Here’s how: Install the Autoptimize plugin on your website and activate it. Next, head over to Settings > Autoptimize from the admin panel and click on the Images tab. Lazy-load images using Autoptimize.
Mar 8, 2024 · Deferred offscreen image loading is a technique that delays the loading of offscreen images until they are about to come into view. This means that images below the fold or offscreen are only loaded when the user scrolls down and approaches them, reducing the initial load time and improving overall page speed. Why defer offscreen images
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May 24, 2023 · Google Lighthouse’s Defer offscreen images opportunity gives you a push to implement some kind of lazy loading, and there are plenty of code-free ways to do so. For instance, Optimole is one of the best plugins to help you defer offscreen images in WordPress. You’re able to set options with a greater specificity than the global ‘always on ...
