| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| improved steam locomotive 1890 | 1.32 | 0.4 | 6629 | 51 | 30 |
| improved | 1.2 | 0.3 | 3178 | 11 | 8 |
| steam | 0.77 | 0.2 | 785 | 13 | 5 |
| locomotive | 0.02 | 0.8 | 7937 | 59 | 10 |
| 1890 | 1.82 | 0.4 | 4018 | 57 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| improved steam locomotive 1890 | 1.77 | 0.1 | 8896 | 44 |
| steam locomotive that transformed history | 1.65 | 1 | 5285 | 8 |
| first successful steam locomotive | 0.22 | 1 | 4016 | 17 |
| developed the steam locomotive | 0.32 | 0.2 | 6948 | 67 |
| the steam locomotive history | 0.89 | 0.3 | 8675 | 68 |
| evolution of the steam locomotive | 0.39 | 0.7 | 7903 | 27 |
| steam powered locomotive 1800 | 0.31 | 0.7 | 1623 | 93 |
| very early steam locomotive | 0.48 | 0.1 | 6204 | 44 |
| steam locomotive industrial revolution | 1.24 | 0.4 | 517 | 33 |
| steam engine locomotive industrial revolution | 1.17 | 0.6 | 3332 | 90 |
| steam powered locomotive invention | 0.8 | 0.5 | 7785 | 73 |
| history and evolution of steam locomotives | 1.53 | 0.1 | 6909 | 12 |
| steam locomotive invention date | 0.21 | 0.1 | 8315 | 50 |
| first steam railway locomotive | 0.25 | 0.7 | 9293 | 47 |
| first steam powered locomotive | 1.94 | 0.4 | 8855 | 76 |
| steam locomotive date developed | 0.27 | 0.7 | 3207 | 6 |
| the general steam locomotive history | 1.85 | 0.1 | 8434 | 88 |
| steam locomotive year invented | 0.4 | 0.3 | 3093 | 98 |
| old steam trains locomotives | 0.04 | 0.9 | 2874 | 98 |
