Umm.. a bit of checking reveals that it is.
Unless you mean HERE, in which case.. well,
vBSEO has a non-valid Branding Tag, which breaks compliance...if you are silly like me and forget to add the tag to the right place.
I have done so, and the only thing holding the compliance back is phpadsnew...but I am working on that.
(You do have to edit forumhome_forumbit_level1_nopost and change the X in the first line. It must be the forumid of your top-most forum/category).