MacKeeper ("911 for your Mac"), any good?

[space-time]

is this a bunch of nonesense (like Norton) or has some real benefits?

http://ldr.zeobit.com/landings/17/index....1093717444&&userDefiner=mzb_2297&installer=&trt=2&gclid=CMCBwP78zqcCFc4e3wodiXlbBw&/paramss=sbbY3667rq2elZelsJja39CYnLHd0dGc2dDU183R6JDG3OnV0qCpmMTm55vIy%20jXzcjandDT1djemA==&gclid=CMCBwP78zqcCFc4e3wodiXlbBw

[silvarios]

I don't use "cleaner" utilities on my Mac.