How to Write Efficient CSS Selectors - O’Reilly Answers
►http://answers.oreilly.com/topic/647-how-to-write-efficient-css-selectors
“The impact of CSS selectors on performance derives from the amount of time it takes the browser to match the selectors against the elements in the document. Developers have some control over how long this matching takes by writing their selectors to be more efficient. The path to efficient selectors starts by understanding how selector matching works.”
#css #performance #sélecteur #clevermarks