| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ufo sightings by state history | 1.64 | 0.2 | 3244 | 9 |
| ufo sightings by state database | 0.51 | 0.7 | 5978 | 19 |
| history of ufo sightings | 0.98 | 1 | 7975 | 33 |
| ufo sightings by state statistics | 1.55 | 0.9 | 5118 | 80 |
| historical ufo sightings map | 1.37 | 0.4 | 8320 | 79 |
| history channel ufo sightings | 0.38 | 0.7 | 9509 | 51 |
| first ufo sighting in usa | 0.25 | 0.4 | 2817 | 95 |
| when did ufo sightings begin | 0.47 | 0.5 | 3087 | 82 |
| when did ufo sightings start | 0.91 | 0.1 | 3429 | 4 |
| earliest ufo sighting history | 1.54 | 0.3 | 7193 | 97 |
| first ufo sighting in history | 0.3 | 0.3 | 9091 | 56 |
| most recent ufo sightings | 0.96 | 0.6 | 4981 | 49 |
| first ufo sighting in america | 1.74 | 0.4 | 4687 | 38 |
| first reported ufo sighting | 1.34 | 0.6 | 3824 | 41 |
| the first ufo sighting | 0.84 | 0.6 | 4484 | 24 |
| which year had the most ufo sightings | 0.72 | 0.6 | 5455 | 13 |
| earliest known ufo sighting | 1.2 | 0.9 | 6861 | 99 |
