| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pnas plus impact factor | 1.28 | 0.5 | 8860 | 39 | 23 |
| pnas | 1.26 | 0.2 | 2192 | 65 | 4 |
| plus | 1.17 | 0.6 | 8546 | 67 | 4 |
| impact | 1.88 | 0.3 | 6707 | 44 | 6 |
| factor | 1.36 | 0.4 | 5680 | 43 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pnas plus impact factor | 1.75 | 0.1 | 9264 | 65 |
