| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what is the definition of serotonin | 0.68 | 0.9 | 6307 | 42 | 35 |
| what | 0.9 | 0.8 | 8904 | 85 | 4 |
| is | 1.52 | 0.7 | 6852 | 12 | 2 |
| the | 1.51 | 0.9 | 5180 | 52 | 3 |
| definition | 0.96 | 0.6 | 1011 | 82 | 10 |
| of | 0.69 | 0.8 | 4162 | 55 | 2 |
| serotonin | 1.95 | 0.7 | 8413 | 25 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is the definition of serotonin | 0.63 | 0.8 | 6256 | 96 |
