| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| not known serial killers | 1.04 | 0.9 | 2698 | 76 | 24 |
| not | 1.14 | 0.6 | 2436 | 10 | 3 |
| known | 0.26 | 0.2 | 7103 | 70 | 5 |
| serial | 1.22 | 0.3 | 5821 | 19 | 6 |
| killers | 1.84 | 0.5 | 4760 | 98 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| not known serial killers | 1.21 | 0.1 | 8949 | 32 |
| serial killers that are not well known | 0.36 | 0.5 | 1900 | 18 |
| not well known serial killers | 1.78 | 0.5 | 8195 | 92 |
| list of not well known serial killers | 1.16 | 0.7 | 9603 | 40 |
| not so well known serial killers | 0.28 | 0.3 | 3182 | 1 |
| not so famous serial killers | 1.13 | 0.7 | 716 | 1 |
| well known serial killers | 0.79 | 0.6 | 4204 | 29 |
| serial killers that have not been caught | 1.96 | 0.7 | 7042 | 55 |
| list of known serial killers | 1.75 | 0.5 | 2365 | 95 |
| most recent serial killers | 1.7 | 0.7 | 4840 | 50 |
| possible serial killers today | 0.44 | 0.9 | 5666 | 96 |
| recently discovered serial killers | 1.11 | 0.1 | 1213 | 4 |
| serial killers you never heard of | 0.47 | 0.8 | 6090 | 43 |
