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Is there a way to pre-load images just using html/css?
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"Preloading" loads an image file into the users' computer memory so that it can be instantly accessed when needed. This is useful, for example, if you have a mouseover event and an image needs to change without any delay.
Preload can substantially improve LCP, especially if you need critical images (like Hero images) to be prioritized over the loading of other images on a page. While browsers will try their best to prioritize the loading of images in the visible viewport, <link rel=preload> can offer a significant boost in priority.
To do this, we simply wrap the script in a function and use addLoadEvent() to make it work: function preloader() { if (document. images) { var img1 = new Image(); var img2 = new Image(); var img3 = new Image(); img1. src = "http://domain.tld/path/to/image-001.gif"; img2.
Preloading background images using image-set # If you have different background images for different screen densities, you can specify them in your CSS with the image-set syntax. The browser can then choose which one to display based on the screen's DPR. background-image: image-set( "cat.
Yes you can. There are many tutorials available on this topic - here is one of them.
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Or even easier: <link rel="prefetch" href="path to image"> (Firefox).
<link rel="prerender" href="http://example.org/index.html"> (Chrome)
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