| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| plos one free publication | 0.95 | 0.5 | 7795 | 69 | 25 |
| plos | 1.46 | 0.8 | 6335 | 5 | 4 |
| one | 1.67 | 1 | 9767 | 56 | 3 |
| free | 0.18 | 0.4 | 7314 | 38 | 4 |
| publication | 1.81 | 0.2 | 6915 | 100 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| plos one free publication | 1.93 | 0.8 | 852 | 52 |
