| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killers and their story | 1.13 | 0.6 | 3798 | 28 |
| serial killers and their crimes | 1.56 | 0.9 | 1792 | 64 |
| serial killers and their victims | 1.91 | 0.6 | 1358 | 29 |
| serial killers and their childhood | 0.34 | 0.8 | 3505 | 37 |
| serial killers and why they did it | 0.29 | 0.8 | 1257 | 57 |
| article on serial killers | 1.3 | 0.1 | 1412 | 61 |
| short stories about serial killers | 0.61 | 0.6 | 1779 | 70 |
| facts about serial killers | 1.5 | 0.2 | 6955 | 70 |
| history on serial killers | 1.75 | 0.3 | 2722 | 78 |
| news articles on serial killers | 0.88 | 0.2 | 9014 | 86 |
| serial killers throughout history | 1.68 | 0.9 | 6172 | 55 |
| book about serial killers | 1.3 | 0.9 | 6731 | 15 |
| real serial killer stories | 0.75 | 0.3 | 3326 | 66 |
| interesting facts about serial killers | 0.07 | 0.8 | 9950 | 73 |
