| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| impact factor of pnas | 1.05 | 0.4 | 5109 | 42 | 21 |
| impact | 0.01 | 0.9 | 2698 | 34 | 6 |
| factor | 1.38 | 1 | 7837 | 1 | 6 |
| of | 0.55 | 0.3 | 6611 | 31 | 2 |
| pnas | 1.41 | 0.1 | 8995 | 43 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| impact factor of pnas | 0.72 | 0.3 | 2390 | 96 |
