| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when was stephenson 2 18 discovered | 1.23 | 1 | 5272 | 39 | 37 |
| when | 0.35 | 0.5 | 4709 | 14 | 4 |
| was | 1.88 | 1 | 5347 | 58 | 3 |
| stephenson | 0.94 | 0.6 | 8367 | 96 | 10 |
| 2 | 1.92 | 0.7 | 4584 | 50 | 1 |
| 18 | 1.36 | 0.8 | 416 | 54 | 2 |
| discovered | 1.63 | 1 | 5007 | 39 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when was stephenson 2 18 discovered | 1.41 | 1 | 5567 | 16 |
