CSS Performance Profiler?

Question

I\'m currently working on a site, and somewhere in my mass of stylesheets, something is killing performance in IE. Are there any good CSS profilers out there? I\'d like a tool

Answer 1

Hmm, never heard of such a tool.

If you find none, things to look out for manually will include

• Any filter statements (the classic alpha=opacity and others - IE has a number of very advanced graphical filters that are extremely expensive)

• Huge elements (like thousands of pixels large)

• Huge background images - maybe remove them all for a moment?

I would strongly suspect the first point - alpha transparencies can be a terrible rendering bottleneck, especially on older systems.