| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when was walking invented | 0.7 | 0.4 | 598 | 27 | 25 |
| when | 0.49 | 0.5 | 3308 | 63 | 4 |
| was | 0.52 | 0.1 | 3380 | 15 | 3 |
| walking | 1.77 | 0.7 | 8073 | 84 | 7 |
| invented | 0.32 | 0.7 | 3042 | 55 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when was walking invented | 1.14 | 0.8 | 2059 | 9 |
