| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| best serial killer documentaries ever | 1.34 | 0.1 | 9407 | 5 | 37 |
| best | 0.87 | 0.8 | 583 | 50 | 4 |
| serial | 1.89 | 0.2 | 8190 | 73 | 6 |
| killer | 1.98 | 0.4 | 4837 | 1 | 6 |
| documentaries | 0.28 | 0.3 | 4241 | 42 | 13 |
| ever | 0.14 | 0.1 | 78 | 4 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best serial killer documentaries ever | 0.32 | 0.7 | 8264 | 29 |
| best serial killer documentaries streaming | 1.23 | 0.7 | 1840 | 69 |
| serial killer movies documentaries | 1.24 | 1 | 3110 | 37 |
| serial killer documentaries to watch | 1.64 | 0.3 | 7183 | 27 |
| free serial killer documentaries | 1 | 1 | 5821 | 66 |
| serial killer video documentaries | 1.92 | 1 | 3167 | 30 |
| free documentaries about serial killers | 0.12 | 0.1 | 1931 | 6 |
| full documentaries about serial killers | 1.85 | 0.4 | 8367 | 92 |
| documentaries about serial killers | 1.79 | 0.8 | 3340 | 3 |
| best documentaries about serial killers | 1.6 | 0.5 | 2872 | 77 |
| serial killer documentaries free online | 0.74 | 1 | 8003 | 24 |
| serial killer documentaries free | 0.91 | 0.1 | 7880 | 75 |
| good serial killer documentaries | 0.86 | 0.1 | 4245 | 8 |
| top 10 serial killer documentaries | 0.27 | 1 | 4369 | 34 |
| serial killer documentary movies | 0.65 | 0.3 | 2836 | 48 |
| serial killers documentaries full | 0.88 | 0.9 | 3607 | 11 |
| serial killer documentary films | 0.99 | 0.7 | 4788 | 9 |
