| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when was the steam engine locomotive invented | 1.39 | 0.5 | 6308 | 25 | 45 |
| when | 1.64 | 0.4 | 6535 | 53 | 4 |
| was | 0.96 | 0.6 | 1352 | 50 | 3 |
| the | 2 | 1 | 7776 | 84 | 3 |
| steam | 1.6 | 0.7 | 9906 | 33 | 5 |
| engine | 0.04 | 0.9 | 9050 | 61 | 6 |
| locomotive | 0.78 | 1 | 58 | 87 | 10 |
| invented | 0.8 | 0.4 | 4707 | 21 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when was the steam engine locomotive invented | 0.82 | 0.1 | 2359 | 88 |
| who invented the steam engine locomotive | 0.11 | 0.1 | 5895 | 36 |
