When we run it through a CSS minifier, the same code looks like this: (Of course, they also help developers write and review code, but browsers don’t care about that.)įor example, here’s how an unminified CSS files looks: In that sense, all they do is bloat code files. Minification is the process of removing unnecessary elements from your website’s code without affecting its performance.Ī few examples of unnecessary elements are:īrowsers don’t need these to render the page. What is CSS, JavaScript, and HTML Minification? If you aren’t interested in the “why” behind these techniques, skip ahead to the "Tools for HTML, CSS, and JavaScript Minification section".Īnd for the easiest way to optimize your website’s code, go to "Automated Minification and Compression with NitroPack" įor now, let’s dive a bit deeper into minification. The good thing is there are lots of tools that can help you with that. And while different, the smart move is getting them in one go. Minification - removing unnecessary parts like whitespace and comments from the code Ĭompression - applying algorithms to rewrite the files’ binary code, using fewer bits than the original.īoth are low-effort, high-reward optimizations. You can make code files lighter by applying two techniques: Reducing HTML, CSS, and JavaScript file size is a crucial part of speeding up your website. Consider using automated tools or build processes for a more streamlined and error-resistant approach, but always after performing a backup. TL DR: Minifying CSS, JavaScript, and HTML involves removing unnecessary spaces, line breaks, and comments, and shortening variable or function names.
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