| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when were trains introduced to america | 1.38 | 0.9 | 9363 | 24 | 38 |
| when | 1.01 | 0.6 | 9914 | 22 | 4 |
| were | 0.55 | 0.8 | 9972 | 63 | 4 |
| trains | 1.36 | 0.1 | 6109 | 7 | 6 |
| introduced | 0.02 | 0.7 | 337 | 45 | 10 |
| to | 1.64 | 1 | 2570 | 40 | 2 |
| america | 0.86 | 0.1 | 6231 | 73 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when were trains introduced to america | 1.84 | 0.3 | 7418 | 96 |
