| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| definition of us history sources | 1.15 | 0.1 | 2842 | 85 | 32 |
| definition | 1.15 | 0.7 | 1972 | 91 | 10 |
| of | 1.93 | 0.2 | 7020 | 13 | 2 |
| us | 1.79 | 0.1 | 3391 | 21 | 2 |
| history | 0.7 | 0.9 | 3081 | 56 | 7 |
| sources | 1.04 | 0.3 | 228 | 41 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| definition of us history sources | 1.95 | 0.8 | 8600 | 3 |
