| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what causes cluster headaches | 0.57 | 0.2 | 1157 | 61 | 29 |
| what | 0.17 | 0.5 | 6164 | 98 | 4 |
| causes | 0.24 | 0.5 | 5769 | 97 | 6 |
| cluster | 1.29 | 0.6 | 4745 | 64 | 7 |
| headaches | 0.74 | 0.6 | 2532 | 10 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what causes cluster headaches | 0.2 | 0.6 | 9085 | 35 |
