| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| railroads second industrial revolution | 0.2 | 0.8 | 2500 | 31 | 38 |
| railroads | 1.84 | 0.9 | 7546 | 77 | 9 |
| second | 1.36 | 0.9 | 9833 | 94 | 6 |
| industrial | 0.1 | 0.4 | 1573 | 67 | 10 |
| revolution | 1.28 | 0.8 | 3787 | 62 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| railroads second industrial revolution | 0.88 | 1 | 6435 | 84 |
