If only it were accurate….
Evidently you at least had some sort of results using this thing. I checked several of my sites:
RESULTS:
Your current Google PageRank is 5. Based on our calculations, we predict your future PageRank after the next Google update will be 5, an increase of 19%
Your current Google PageRank is 6. Based on our calculations, we predict your future PageRank after the next Google update will be 6, an increase of 12%
How are either of these an increase ? WTF ? ? ?