| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ufo sightings by state history | 1.2 | 0.8 | 5798 | 8 |
| ufo sightings by state database | 0.22 | 0.5 | 8251 | 42 |
| history of ufo sightings | 0.33 | 0.4 | 3417 | 51 |
| ufo sightings by state statistics | 0.97 | 0.7 | 1744 | 53 |
| historical ufo sightings map | 0.17 | 0.7 | 9381 | 33 |
| history channel ufo sightings | 1.82 | 1 | 4521 | 31 |
| first ufo sighting in usa | 1.83 | 0.7 | 2049 | 92 |
| when did ufo sightings begin | 0.03 | 0.5 | 5662 | 29 |
| when did ufo sightings start | 0.09 | 0.6 | 8886 | 62 |
| earliest ufo sighting history | 0.46 | 0.3 | 8945 | 7 |
| first ufo sighting in history | 1.63 | 0.3 | 6189 | 95 |
| most recent ufo sightings | 0.53 | 0.9 | 5092 | 46 |
| first ufo sighting in america | 1.93 | 1 | 4488 | 95 |
| first reported ufo sighting | 1.5 | 0.6 | 3076 | 34 |
| the first ufo sighting | 0.22 | 1 | 8144 | 90 |
| which year had the most ufo sightings | 1.55 | 0.1 | 7011 | 22 |
| earliest known ufo sighting | 1.23 | 1 | 591 | 42 |
