gethan - 4:36 am on Mar 28, 2012 (gmt 0)
Hey Matt - I'll unblock my js when google stops hotlinking my images on image search? deal?
The reason I disallow robots from js directories as the spiders execute various scripts which are intended only for real visitors - and starts running off following links to do with social interactions... causing ridiculous load.
The reason other sites do it might be for black hat seo purposes - but then wouldn't they just serve google one js and visitors another...