| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| who invented headphones history | 1.58 | 0.6 | 4655 | 57 | 31 |
| who | 0.32 | 0.6 | 2178 | 44 | 3 |
| invented | 1.56 | 0.9 | 1092 | 86 | 8 |
| headphones | 0.39 | 0.2 | 3729 | 47 | 10 |
| history | 1.63 | 0.7 | 4885 | 60 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| who invented headphones history | 0.64 | 0.7 | 6926 | 27 |
