| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| natural frequency definition | 0.05 | 0.7 | 5099 | 28 | 28 |
| natural | 0.77 | 0.7 | 84 | 6 | 7 |
| frequency | 1.44 | 0.8 | 8637 | 64 | 9 |
| definition | 1.26 | 0.9 | 7800 | 97 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| natural frequency definition | 0.29 | 0.3 | 7597 | 48 |
