| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| unsolved serial killers usa | 1.57 | 0.6 | 6139 | 17 | 27 |
| unsolved | 0.4 | 1 | 5907 | 83 | 8 |
| serial | 1.82 | 0.2 | 7065 | 14 | 6 |
| killers | 0.24 | 0.8 | 6123 | 63 | 7 |
| usa | 1.53 | 1 | 2142 | 100 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| unsolved serial killers usa | 1.91 | 0.9 | 4083 | 22 |
| unsolved serial killer cases usa | 0.64 | 0.2 | 7429 | 66 |
| famous unsolved serial killers | 0.71 | 0.4 | 2705 | 90 |
| current unsolved serial killer cases | 1.81 | 0.3 | 2161 | 25 |
| unsolved serial killer cases | 1.47 | 0.3 | 6103 | 98 |
| unsolved serial killers uk | 1.1 | 0.4 | 800 | 98 |
| unsolved serial killers book | 0.04 | 0.1 | 4878 | 88 |
| unsolved serial murders in the united states | 0.89 | 1 | 6282 | 79 |
| recent serial killers usa | 1.36 | 0.1 | 7972 | 60 |
| serial killers of usa | 1.6 | 0.3 | 868 | 42 |
| united states serial killers | 1.33 | 0.9 | 7591 | 82 |
| u s serial killers | 0.2 | 0.3 | 4818 | 27 |
| recent us serial killers | 0.3 | 0.4 | 9436 | 8 |
