Optimizing Render-Blocking JavaScript and CSS: Complete Guide

Optimizing Render-Blocking JavaScript and CSS: Complete Guide

Render-blocking JavaScript and CSS above the fold are one of the major optimization issues, detected by tools as Google PageSpeed Insights and GTMetrix. Such resources affect page speed negatively, as they add additional requests, downloads, and execution time to the critical rendering path. Therefore, they require optimization that can minimize their negative impact on page loading.…