Should you preload images?
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.
Should I use preloader?
Preloaders not only look fantastic, but they also play a critical part in the functionality of your website. While lengthy loading times are inconvenient, they do not have to be a deal-breaker. By deploying preloaders where required, you may reduce the loss of revenue caused by poor connections.
What does preloading images mean?
"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.