When working with CSS it’s easy to get stuck with just the basic selectors. Yes, you can get by using only those but you will write better and more efficient code if you know some of the more advanced ones. In this article I will show you the power of CSS Combinators – A toolkit that lets you combine the basic selectors to create more powerful CSS selectors.
When optimizing a page you’re obviously thinking about where to add different assets on it. Stuff that is needed up front is placed at the top and stuff that is needed later can be placed further down. After all, we want the page to show something as fast as possible!