paulirish/css3please — comment on commit c9f787655fc7f6a34c8b1bb64a49fbaee43360de
File: index.html line 100
By weerd482:

Definitely makes sense. I was wondering for a while now why the gradient filters were removed for older IE's on css3please.com. I figured it had something to do with performance, but glad I found your post w/ a specific answer. Progressive enhancement for the win!

Thanks y'all!