That was even worth a note in Nature News that finally a free journal-ranking tool entered the citation market. The attack came by an article in JCB (“Show me the data“), the response was weak. Sooooooo we have a choice now which of the metric indices is being the worsest way to rate a researcher (if you can’t understand otherwise what she/he his doing).
BTW individual IF reporting was never intended but ISI but is now common use in many countries. I don´t believe (as Decan Butler explains) that there is so much difference between popularity and prestige – but there is a big difference between popularity and quality.