| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| mdpi journals without publication fees | 1.78 | 0.2 | 4188 | 22 | 38 |
| mdpi | 0.93 | 0.5 | 6835 | 76 | 4 |
| journals | 1.78 | 1 | 5563 | 56 | 8 |
| without | 1.38 | 0.5 | 6912 | 67 | 7 |
| publication | 1.03 | 0.2 | 1169 | 99 | 11 |
| fees | 0.62 | 1 | 569 | 92 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| mdpi journals without publication fees | 0.16 | 1 | 6168 | 76 |
