1. Introduction| www.w3.org
Dynamic properties provide opportunities for new creative ideas, but also the potential to add complexity to CSS. Custom properties have a huge potential to change how we write and structure CSS and to a lesser extent, how we use JavaScript to interact with UI components. To get the most out of them, we might need a strategy for how we write and structure CSS with custom properties. In this article, Michael Riethmuller will show you how.| Smashing Magazine
Most of the time, we develop websites without understanding what the browser is actually doing under the hood. How exactly does the browser render our web pages from the HTML, CSS and JavaScript that we create? Google’s PageSpeed Insights tool can be very helpful when trying to profile a web page and find areas for improvement. You simply enter the URL of the page that you want to test, and the tool provides you with a list of performance suggestions. Fortunately, the solution to this pro...| Smashing Magazine