| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free scientific journal database | 0.67 | 1 | 8433 | 70 | 32 |
| free | 1.25 | 0.1 | 7858 | 61 | 4 |
| scientific | 0.7 | 0.7 | 7322 | 82 | 10 |
| journal | 1.21 | 0.5 | 3720 | 89 | 7 |
| database | 1.58 | 0.7 | 9561 | 64 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free scientific journal database | 1.5 | 0.4 | 9309 | 89 |
