Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
serial killers in american history | 0.38 | 0.4 | 488 | 74 |
worst serial killers in american history | 1.02 | 0.6 | 303 | 38 |
the worst serial killer in american history | 1.89 | 1 | 3205 | 33 |
biggest serial killers in american history | 1.41 | 0.8 | 6800 | 99 |
how many serial killers in american history | 0.26 | 0.4 | 7631 | 89 |