| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| top secret ufo projects declassified 2021 | 0.27 | 0.8 | 8160 | 75 | 41 |
| top | 1.52 | 0.3 | 810 | 93 | 3 |
| secret | 1.73 | 0.3 | 8022 | 94 | 6 |
| ufo | 1.35 | 0.1 | 5386 | 34 | 3 |
| projects | 0.72 | 0.8 | 517 | 52 | 8 |
| declassified | 0.93 | 0.2 | 210 | 62 | 12 |
| 2021 | 0.13 | 0.4 | 8274 | 37 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| top secret ufo projects declassified 2021 | 1.48 | 0.4 | 9541 | 8 |
