| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nih library official site | 1.72 | 0.4 | 63 | 33 | 25 |
| nih | 1.59 | 0.1 | 9159 | 75 | 3 |
| library | 1.41 | 0.5 | 794 | 24 | 7 |
| official | 0.69 | 0.9 | 1558 | 51 | 8 |
| site | 0.52 | 0.4 | 5281 | 31 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nih library official site | 1.11 | 0.8 | 295 | 92 |
