| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nitrogen gas execution history | 1.46 | 0.1 | 7200 | 67 | 30 |
| nitrogen | 0.9 | 0.7 | 5021 | 54 | 8 |
| gas | 1.61 | 1 | 1129 | 11 | 3 |
| execution | 1.53 | 0.2 | 6599 | 55 | 9 |
| history | 0.96 | 0.8 | 9940 | 31 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nitrogen gas execution history | 1.05 | 1 | 2611 | 18 |
| how did the nitrogen gas execution go | 0.03 | 0.1 | 8094 | 30 |
| who was executed by nitrogen gas | 1.15 | 0.4 | 610 | 39 |
| first-ever execution by nitrogen g | 0.77 | 1 | 9796 | 96 |
| nitrogen gas execution controversy | 1.28 | 0.7 | 9648 | 68 |
| how did the nitrogen execution go | 1.64 | 0.7 | 3905 | 67 |
| alabama first nitrogen gas execution | 1.8 | 0.3 | 8343 | 66 |
| was the nitrogen execution a success | 0.46 | 1 | 1911 | 28 |
| how does nitrogen gas work in execution | 0.87 | 1 | 1226 | 60 |
| what time is the nitrogen execution | 0.09 | 0.7 | 9851 | 34 |
| protocol for nitrogen gas execution | 0.81 | 0.6 | 1334 | 15 |
| alabama nitrogen gas execution time | 0.64 | 0.6 | 2475 | 92 |
| how nitrogen execution works | 0.17 | 0.8 | 665 | 27 |
| how to execute with nitrogen gas | 1.01 | 0.4 | 361 | 7 |
| death row nitrogen gas | 1.9 | 1 | 3871 | 65 |
| death from nitrogen gas | 0.01 | 1 | 5562 | 3 |
| who discovered nitrogen gas | 1.49 | 0.5 | 661 | 79 |
