why preloader isn't working on my website?

Question

I am trying to add preloader to my HTML pages but it isn't showing any preloader? I even copy-pasted the codes and CSS from web resources like codeopen but it isn't showing anything. If someone experienced the same and tackled the situation then help me.

Answer 1

<link rel="preload" href="https://ajax.cloudflare.com/cdn-cgi/scripts/7089c43e/cloudflare-static/rocket-loader.min.js" as="script">

Will Preload an javascript file with the as html tag. Don't forget that!

Then later in your html, it will be used at preload cache often.