Wix websites have seen some incredible speed boosts in the last few years.
We're talking about drastic improvements for Core Web Vitals and a more than 10x increase in the number of Wix sites with good scores.
To make it happen, WIX :
Host all our sites on a globally distributed CDN infrastructure, enabling automatic caching of all site resources, including the HTML
A CDN infrastructure can help improve caching for all website resources, which can in turn improve site performance. By hosting our sites on a globally distributed CDN infrastructure, we can take advantage of this and improve the loading speed of our pages.
Optimize for the Largest Contentful Paint by prioritizing image and font resources, and by lazy loading elements outside the viewport.
One way to help improve your website's performance is by optimizing for the Largest Contentful Paint. You can do this by prioritizing image and font resources, and by lazy loading elements outside the viewport. This will help ensure that your website loads quickly and smoothly for visitors.
Automatically convert Images to WebP while resizing and cropping for optimal media delivery.
Deliver your images in the best possible light by automatically converting to WebP format for faster loading times. Crop and resize for a tailored user experience.
Compress all resources using Brotli to ensure faster downloads.
This will help keep your project's file size down, improve performance, and load times.
Utilize code splitting and dynamic imports so sites load quickly regardless of complexity.
Code splitting and dynamic imports can help improve website speed and performance. When done correctly, these two methods can make a big difference in loading time, whether the site is simple or complex.
Ensure all our components are built to minimize layout shifts, using proper dimensions, CSS aspect ratios, and font preloads.
To reduce the number of layout shifts, we need to use the proper dimensions for our components, CSS aspect ratios and font preloads.
Source: YouTube & WIX.com
Learn more about Wix Performance: https://www.wix.com/performance