| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| rental cars portland me airport | 1.59 | 0.5 | 9342 | 31 | 38 |
| car rental portland me airport | 1.39 | 0.8 | 6311 | 30 | 100 |
| hertz car rental portland me airport | 0.19 | 0.1 | 298 | 36 | 77 |
| enterprise car rental portland me airport | 0.14 | 0.9 | 3245 | 41 | 15 |
| alamo car rental portland me airport | 1.64 | 0.4 | 9043 | 36 | 6 |
