| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| classification of biogas plants | 0.24 | 0.5 | 2874 | 7 | 31 |
| classification | 0.59 | 0.1 | 2665 | 14 | 14 |
| of | 1.6 | 0.2 | 4383 | 71 | 2 |
| biogas | 0.95 | 0.9 | 728 | 91 | 6 |
| plants | 1.44 | 0.2 | 9379 | 12 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| classification of biogas plants | 1.19 | 0.8 | 3164 | 11 |
