| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| when did zombies originate | 1.54 | 0.7 | 5209 | 80 | 26 |
| when | 1.68 | 0.6 | 6708 | 70 | 4 |
| did | 0.89 | 0.9 | 9622 | 71 | 3 |
| zombies | 0.85 | 0.7 | 2955 | 4 | 7 |
| originate | 0.35 | 1 | 8951 | 4 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| when did zombies originate | 1.69 | 0.1 | 9472 | 42 |
