Is it better to use images or CSS to keep performance of a webpage or application as high as possible?

Question

My project\'s creative designer and I have had some amicable disagreements as far as whether it is better to use slices of his comp or rely on the browser\'s rendering engin

Answer 1

In general, if it can be done with CSS, definitely skip the image. If for no other reason it's easier to maintain.

HOWEVER, a complex gradient is likely where I'd give in and throw in an image. Having recently implemented some CSS gradients, it is a bit of a mess right now.

Ultimately, Fabian Barney has the correct answer. If it's an issue of performance, you need to measure things. In the grand scheme of things, this is likely low on the performance issues to dwell on.