| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| anello porfirinico | 1.75 | 1 | 3697 | 28 | 18 |
| anello | 0.81 | 0.8 | 4517 | 66 | 6 |
| porfirinico | 1.04 | 0.9 | 9601 | 73 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| anello porfirinico | 0.27 | 0.6 | 705 | 15 |
| anello porfirinico eme | 1.82 | 0.1 | 6332 | 14 |
| anello porfirinico clorofilla | 1.39 | 0.3 | 8835 | 47 |
