Having a fast site these days is not something that is nice to have, but a must have! In this guide we're going to explain a number of the inherent performance optimizations that StoreFronts and the Visual Builder are providing to your site:
...
In today's modern websites, JavaScript providers provides all the interactive power to the customer. Whether its an image gallery, slider, tabbed interface, etc. there is JavaScript involved. Those libraries also typically have accompanying CSS to make the element look great on the page. The Visual Builder is no different. To make sure your site is blazing fast, StoreFronts will automatically combine the JS and CSS files into the minimum number of consolidated files without effecting affecting the ordering of the assets on your site. The consolidate files are also optimized and hosted on our CDN providers. This leads to the fastest load times possible for your customers.
...
WebP is an image format created by Google in 2010 that supports both lossy (similar to JPEG) and loseless (similar to PNG) compression. The images created in both lossy look similar to JPEG and loseless look identical to PNG, but doing it with 30-60% savings in bandwidth. StoreFronts will automatically server Chrome customers a WebP (lossy) image where you use a JPEG image and a WebP (loseless) image where you use a PNG image. As of June, 2017 Chrome has 59.36% marketshare on the desktop and 19.33% on mobile. Thes These web pages served to these customers will be the smallest possible.