| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| define planck's quantum theory | 1.23 | 0.5 | 8094 | 30 | 30 |
| define | 0.7 | 0.3 | 9630 | 13 | 6 |
| planck's | 0.22 | 0.2 | 1439 | 62 | 8 |
| quantum | 1.58 | 0.2 | 5621 | 87 | 7 |
| theory | 1.18 | 0.1 | 7068 | 95 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| define planck's quantum theory | 0.46 | 0.3 | 6815 | 63 |
