lucy24 - 7:30 am on Mar 8, 2012 (gmt 0)
I think the distinction they're talking about is between site/page and host-as-a-whole.
Or did you mean the "make a strong effort" part? There's always a gray area. You have to decide whether black starts at #010101; or #767676; *
* Hasty edit here to change from original FEFEFE and 898989. Oops.