| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| information on the underground railroad | 1.4 | 0.5 | 4564 | 18 | 39 |
| information | 0.48 | 1 | 8887 | 25 | 11 |
| on | 1.32 | 0.8 | 5271 | 1 | 2 |
| the | 0.46 | 0.1 | 5078 | 10 | 3 |
| underground | 0.74 | 0.4 | 7732 | 6 | 11 |
| railroad | 1.53 | 0.7 | 6749 | 51 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| information on the underground railroad | 1.43 | 0.4 | 8862 | 81 |
