| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| history of us airlines | 1.43 | 0.7 | 3618 | 91 | 22 |
| history | 0.16 | 0.7 | 283 | 80 | 7 |
| of | 0.73 | 0.3 | 8758 | 81 | 2 |
| us | 1.19 | 0.2 | 977 | 2 | 2 |
| airlines | 1.66 | 0.5 | 4401 | 72 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| history of us airlines | 1.96 | 0.1 | 1437 | 57 |
