JavaScript is a text-based programming language that's commonly used to make webpages more dynamic and interactive for visitors.

Google has updated their mobile-friendly testing tools and their rich results testing tool to work with sites built in JavaScript. Those tools can now both now shows the screenshots for JS based sites ...

JavaScript is the second-largest contributor to page weight, behind images, which means it can play a major role in slowing down the speed of your mobile site. Here's how you can reduce your reliance ...