| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| derry pa helicopter crash 1978 | 0.39 | 0.8 | 2253 | 20 | 30 |
| derry | 1.77 | 0.1 | 622 | 58 | 5 |
| pa | 0.15 | 0.2 | 3056 | 30 | 2 |
| helicopter | 1.76 | 0.6 | 3320 | 35 | 10 |
| crash | 1.54 | 0.3 | 2657 | 28 | 5 |
| 1978 | 0.23 | 0.9 | 6334 | 1 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| derry pa helicopter crash 1978 | 0.11 | 0.2 | 6547 | 64 |
