Category: WPO

Web Performance Optimization (WPO) or website optimization is the field of knowledge about increasing the speed in which web pages are downloaded and displayed on the user's web browser.

Defer Loading of External JavaScript

This technique tries to defer JavaScript file download and execution until page loaded. Some experienced web developers use this technique to improve the rendering speed of a site. Can it really make your website load faster? Short answer: Yes. Like style sheets, scripts must be downloaded, parsed, and executed before…