| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pnas impact factor 2016 | 1.6 | 0.5 | 537 | 15 | 23 |
| pnas | 0.12 | 0.3 | 403 | 61 | 4 |
| impact | 0.5 | 0.2 | 4305 | 41 | 6 |
| factor | 1.05 | 0.4 | 4224 | 8 | 6 |
| 2016 | 1.08 | 0.1 | 272 | 12 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pnas impact factor 2016 | 0.11 | 0.4 | 7917 | 51 |
