| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| speed of the x15 | 1.52 | 0.8 | 5860 | 32 | 16 |
| speed | 1.85 | 0.5 | 1090 | 55 | 5 |
| of | 1.03 | 0.1 | 9077 | 67 | 2 |
| the | 0.39 | 0.7 | 5416 | 36 | 3 |
| x15 | 0.52 | 0.5 | 4133 | 17 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| speed of the x15 | 0.39 | 0.6 | 3590 | 84 |
| how fast is the x 15 | 0.24 | 0.6 | 6751 | 79 |
| how fast did the x15 fly | 1.49 | 1 | 6759 | 24 |
| x15 plane top speed | 0.65 | 0.8 | 1457 | 8 |
| x15 six speed performance | 1.22 | 0.9 | 9465 | 82 |
| x15 six speed review | 0.37 | 0.5 | 478 | 75 |
| x 15 top speed mph | 1.41 | 0.4 | 2429 | 46 |
| x 15 aircraft speed | 0.19 | 0.8 | 455 | 94 |
| x 15 aircraft top speed | 1.67 | 0.6 | 7967 | 22 |
| how fast was the x 15 aircraft | 0.16 | 0.8 | 8141 | 71 |
| x15 six speed fuel economy | 0.51 | 0.4 | 2518 | 1 |
| x15 six speed engine | 0.37 | 0.9 | 5739 | 47 |
| how fast did the x-15 fly | 1.47 | 0.3 | 421 | 19 |
| how fast is the north american x-15 | 0.06 | 0.2 | 6012 | 83 |
| x-15 top speed in mach | 1.59 | 0.7 | 7912 | 85 |
| x 15 landing speed | 0.64 | 0.3 | 2798 | 86 |
| x 15 jet top speed | 0.96 | 0.4 | 7193 | 18 |
