| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| production of biogas pdf | 0.65 | 0.1 | 8198 | 28 | 24 |
| production | 1.82 | 0.5 | 9146 | 4 | 10 |
| of | 1.7 | 0.4 | 687 | 90 | 2 |
| biogas | 1.91 | 0.4 | 6299 | 49 | 6 |
| 1.98 | 0.4 | 6441 | 80 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| production of biogas pdf | 0.06 | 0.6 | 9445 | 36 |
