Magento 2 Defer JavaScript Extension – Cynoinfotech

Defer JS Magento 2 module is developed to place all JavaScript files at the end of the page. This enables the browser to load all CSS and HTML first and then load the JavaScript files. Magento 2 Defer js extension is used to improve website loading speed. Suspend Parsing of JavaScript Extensions Moves all JavaScript to the bottom of the page. It means that when the page loads, the HTML and CSS are loaded first and then the JavaScript is executed, suspending parsing.