2. Minifying Resources: The first step for optimizing the JavaScript & CSS is to minify certain resources.
Minification is a method where the non-critical, as well as redundant resources, are removed to speed up the method.
It is a basic feature allowed by most optimization plugins.
3. Combine CSS and Javascript: Utilizing a single file for loading the specific JavaScript code & CSS will reduce the number of requests moreover can speed up the rendering.
By facilitating this, a single file will be used to deliver all the CSS resources and each resource will be grouped by media type.
The same happens with the JavaScripts as the number of DOM requests can be reduced, which will increase the overall speed performance.
4. Reduce Render Blocking: The most common reason for a slow PageSpeed score is the excessive use of Javascript and CSS.
Though some Java and CSS files are critical for the overall stability of the websites, not all have to load above-the-fold, which makes it render-blocking.
It’s very important to optimize the accomplishment of non-critical JavaScript as well as CSS. Make sure that these files are rendered just after the user interaction by the website is detected.
The option can drastically enhance the PageSpeed score as well as additionally assist you to achieve the perfect Web Vitals score.
5. Deliver CSS & JavaScript Using CDN: Once again, till you implement the CDN for loading the JavaScript & CSS, you are banking on the specific speed of your server to deliver all these resources.
Most of the time, without the CDN, you can reduce the load put on the server although it will still sweat.
