| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| old time serial killers | 0.56 | 0.7 | 4996 | 41 | 23 |
| old | 1.6 | 1 | 7571 | 68 | 3 |
| time | 0.96 | 0.7 | 6639 | 85 | 4 |
| serial | 0.92 | 0.1 | 8078 | 55 | 6 |
| killers | 1.05 | 0.1 | 1819 | 44 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| old time serial killers | 1.27 | 1 | 426 | 3 |
| serial killers over time | 1.99 | 0.9 | 1952 | 36 |
| old people serial killer | 1.9 | 0.9 | 3077 | 46 |
| serial killers throughout history | 1.25 | 0.8 | 1430 | 70 |
| history on serial killers | 1.71 | 0.5 | 5223 | 61 |
| who were serial killers | 0.68 | 0.4 | 7757 | 79 |
| old serial killer movies | 0.62 | 0.8 | 5444 | 96 |
| ancient serial killers in history | 0.38 | 0.7 | 198 | 21 |
| serial killers in the past 10 years | 1.77 | 0.3 | 8061 | 27 |
| early american serial killers | 0.57 | 0.1 | 3187 | 37 |
| serial killers in ancient times | 1.03 | 0.7 | 4000 | 25 |
| serial killers before 1800 | 0.21 | 0.3 | 5865 | 16 |
| famous serial killers in history | 0.26 | 0.9 | 3318 | 77 |
| serial killers in the past decade | 1.04 | 0.7 | 4852 | 2 |
| serial killers of today | 1.13 | 0.8 | 748 | 32 |
| serial killers and years | 2 | 0.5 | 5222 | 99 |
| the original serial killer | 0.62 | 0.7 | 1702 | 5 |
