| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| how long does sildenafil stay effective | 0.43 | 0.7 | 1854 | 9 | 39 |
| how | 1.04 | 0.6 | 5424 | 4 | 3 |
| long | 1.15 | 1 | 1929 | 17 | 4 |
| does | 0.45 | 0.6 | 5902 | 29 | 4 |
| sildenafil | 1.98 | 0.6 | 4889 | 17 | 10 |
| stay | 0.24 | 0.7 | 4233 | 86 | 4 |
| effective | 1.96 | 0.8 | 2168 | 56 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how long does sildenafil stay effective | 0.93 | 0.8 | 7543 | 60 |
