| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| placoderms fish | 1.24 | 0.6 | 5726 | 91 | 15 |
| placoderms | 0.34 | 0.7 | 251 | 83 | 10 |
| fish | 0.64 | 0.7 | 4149 | 23 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| placoderms fish | 1.08 | 0.6 | 7528 | 34 |
| placoderm fish fossil | 0.07 | 0.2 | 4005 | 67 |
| when did placoderm fish go extinct | 0.59 | 0.3 | 9052 | 72 |
| a placoderm fish | 1.65 | 0.6 | 1116 | 55 |
