| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nih images public domain | 1.21 | 0.7 | 3497 | 22 | 24 |
| nih | 1.96 | 0.9 | 2953 | 91 | 3 |
| images | 1.92 | 0.7 | 4496 | 36 | 6 |
| public | 1.65 | 0.8 | 5866 | 4 | 6 |
| domain | 0.45 | 0.9 | 7088 | 95 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nih images public domain | 1.57 | 0.2 | 7927 | 58 |
| are nih images public domain | 0.96 | 0.4 | 5634 | 29 |
| medical images public domain | 1.27 | 0.9 | 7680 | 23 |
| new public domain images | 0.19 | 0.8 | 202 | 30 |
| images in the public domain | 1.86 | 0.5 | 7566 | 2 |
| public domain images library | 1.55 | 0.5 | 9669 | 53 |
| historical images public domain | 0.66 | 0.2 | 8818 | 70 |
| public domain health information | 0.4 | 0.3 | 1167 | 45 |
| public domain images website | 0.32 | 0.7 | 6952 | 71 |
| public domain image site | 1.3 | 0.9 | 9313 | 14 |
| free use images public domain | 0.03 | 0.5 | 8362 | 12 |
| image public domain free | 0.8 | 0.3 | 7867 | 22 |
| image public domain sites | 0.34 | 0.5 | 94 | 21 |
| image public domain usage | 1.15 | 0.1 | 6628 | 37 |
| image public domain search | 1.49 | 0.2 | 5711 | 15 |
