I just heard this as a recent suggestion and was wondering what other thought.
Basically most websites have utility directories that don't deliver html content. (eg /images/, /css/, /js/, etc...)
So if you are targeting the phrase blue widgets, are the following directory names superior for google SEO?
/blue-widgets-images/
/blue-widgets-css/
/blue-widgets-js/
On the flip-side, could something like this get you penalized, for keyword over optimization?