| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| coal mine safety and health regulation | 1.82 | 1 | 2232 | 86 | 38 |
| coal | 1.85 | 0.4 | 8263 | 3 | 4 |
| mine | 0.89 | 0.7 | 6685 | 58 | 4 |
| safety | 1.66 | 0.6 | 810 | 90 | 6 |
| and | 1.06 | 0.9 | 3701 | 74 | 3 |
| health | 0.07 | 0.6 | 9927 | 18 | 6 |
| regulation | 0.37 | 0.8 | 3022 | 70 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| coal mine safety and health regulation | 0.15 | 0.8 | 5748 | 45 |
