| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what causes fluctuating oxygen levels | 1.89 | 0.4 | 1518 | 16 | 37 |
| what | 0.28 | 0.5 | 1496 | 21 | 4 |
| causes | 0.24 | 1 | 6887 | 91 | 6 |
| fluctuating | 0.26 | 0.9 | 9770 | 87 | 11 |
| oxygen | 1.04 | 0.6 | 4518 | 62 | 6 |
| levels | 1.39 | 1 | 7025 | 83 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what causes fluctuating oxygen levels | 1.21 | 0.6 | 5116 | 48 |
