| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| unsolved american serial killers | 0.6 | 1 | 8055 | 92 | 32 |
| unsolved | 0.79 | 0.6 | 9005 | 44 | 8 |
| american | 0.02 | 0.7 | 2013 | 1 | 8 |
| serial | 1.61 | 0.9 | 4705 | 47 | 6 |
| killers | 1.49 | 0.2 | 9551 | 86 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| unsolved american serial killers | 1.65 | 0.6 | 8328 | 71 |
| famous unsolved serial killers | 0.26 | 0.5 | 4908 | 25 |
| unsolved serial killers book | 1.35 | 0.1 | 6315 | 18 |
| unsolved serial killer cases usa | 0.49 | 0.7 | 5680 | 74 |
| unsolved serial killer cases | 1.36 | 0.6 | 350 | 69 |
| unsolved serial killers uk | 0.11 | 0.5 | 1675 | 57 |
| current unsolved serial killer cases | 0.95 | 0.9 | 6515 | 40 |
| unsolved serial murders in the united states | 1.91 | 0.9 | 9120 | 19 |
| recent american serial killers | 1.93 | 0.6 | 96 | 30 |
| united states serial killers | 1.55 | 0.6 | 2416 | 39 |
| serial killers from usa | 0.29 | 0.2 | 3462 | 20 |
| recent us serial killers | 0.76 | 0.4 | 9476 | 88 |
| u s serial killers | 0.55 | 0.3 | 9684 | 59 |
| serial killer in america | 1.75 | 0.9 | 6782 | 99 |
| serial killer in the united states | 1.25 | 0.9 | 8063 | 74 |
