| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| best ufo and alien documentaries | 0.49 | 0.8 | 4810 | 36 | 32 |
| best | 1.12 | 1 | 4623 | 63 | 4 |
| ufo | 0.06 | 0.1 | 4020 | 10 | 3 |
| and | 0.18 | 0.3 | 7860 | 97 | 3 |
| alien | 1.76 | 0.2 | 5233 | 63 | 5 |
| documentaries | 1.59 | 0.7 | 5168 | 28 | 13 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best ufo and alien documentaries | 1.31 | 0.3 | 4715 | 5 |
| best ufo alien documentaries | 0.83 | 0.1 | 1918 | 28 |
| new ufo and alien documentaries | 0.61 | 1 | 8115 | 24 |
| best ufo movies documentaries | 0.07 | 0.7 | 5729 | 29 |
| best ufo documentaries of all time | 1.04 | 1 | 8754 | 89 |
| best new ufo documentaries | 0.34 | 0.9 | 3649 | 80 |
| ufo alien documentary movies | 0.54 | 0.2 | 2183 | 57 |
| best free ufo documentaries | 0.66 | 0.5 | 6377 | 40 |
| best ufo documentaries youtube | 0.53 | 0.5 | 4557 | 92 |
| top rated ufo documentaries | 1.46 | 0.2 | 8919 | 2 |
| top 10 ufo documentaries | 0.08 | 0.5 | 7010 | 31 |
| documentaries on aliens and ufos | 1.15 | 0.1 | 4198 | 50 |
| list of ufo documentaries | 1.14 | 0.6 | 4655 | 68 |
| most recent ufo documentaries | 1.19 | 0.5 | 8875 | 84 |
| aliens and ufos documentaries free | 0.47 | 0.1 | 7617 | 59 |
