| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| coal mine explosion in pennsylvania in 1913 | 1.93 | 0.7 | 1122 | 12 | 43 |
| coal | 1.36 | 0.7 | 3693 | 33 | 4 |
| mine | 1.33 | 0.5 | 4035 | 93 | 4 |
| explosion | 1.45 | 0.7 | 9902 | 19 | 9 |
| in | 0.7 | 0.2 | 316 | 39 | 2 |
| pennsylvania | 1.84 | 0.6 | 9639 | 22 | 12 |
| in | 1.37 | 0.5 | 2364 | 59 | 2 |
| 1913 | 0.12 | 0.8 | 2270 | 71 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| coal mine explosion in pennsylvania in 1913 | 0.61 | 0.8 | 1138 | 93 |
