| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| underground railroad book online | 1.02 | 0.9 | 5815 | 71 | 32 |
| underground | 1.45 | 0.5 | 4680 | 52 | 11 |
| railroad | 0.56 | 1 | 1754 | 96 | 8 |
| book | 0.24 | 0.5 | 6094 | 94 | 4 |
| online | 1.02 | 0.1 | 6617 | 16 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| underground railroad book online | 1.92 | 0.4 | 5545 | 21 |
