Render blocking javascript has a real affect on how fast your pages load. Eliminate render-blocking JavaScript and CSS in above-the-fold content. This causes a delay in rendering your page.

Your page has blocking script resources and blocking CSS resources. You should avoid and minimize the use of blocking JavaScript,. Scripts that are necessary to render page content can be inlined to.

Please keep in mind that for this to improve your loading time, you must also optimize CSS delivery. How to Eliminate Render Blocking CSS in Above-the-Fold Content in. Eliminate render-blocking JavaScript and CSS in above-the-fold content Your page has blocking script resources and blocking CSS . A related question has been asked before: What is “above-the-fold content” in. What about async attributes for css (like js)?

This article focuses on ways you can optimize your JavaScript and CSS so that your page loads your above-the-fold content as quickly as . Two of these rules have to do with JavaScript and CSS resources blocking above-the-fold content. Fail either of these two rules–and many, .