| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| doi access free | 0.46 | 0.2 | 8343 | 100 | 15 |
| doi | 0.85 | 0.7 | 3403 | 73 | 3 |
| access | 0.15 | 0.2 | 7499 | 99 | 6 |
| free | 0.81 | 0.6 | 2764 | 23 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| doi access free | 1.31 | 1 | 8861 | 73 |
| doi access | 0.13 | 0.5 | 4053 | 85 |
| doi access portal | 0.63 | 0.2 | 4093 | 67 |
| doi access clearance | 1.44 | 0.9 | 6379 | 15 |
| doi access piv | 0.06 | 0.8 | 4734 | 48 |
| doi access help desk | 1.02 | 0.7 | 9038 | 26 |
| doi access card | 0.26 | 0.3 | 5237 | 25 |
| doi access sponsor | 1.22 | 0.4 | 1152 | 76 |
| doi access system | 1.33 | 0.7 | 1959 | 1 |
| doi access card check | 1.54 | 0.5 | 8093 | 19 |
| doi access website | 0.37 | 0.1 | 8567 | 35 |
| doi access.doi.net | 1.34 | 0.8 | 6222 | 77 |
| doi access card request form | 0.55 | 0.7 | 4275 | 73 |
| doi access form | 1.94 | 0.9 | 5420 | 83 |
| free access to journal articles with doi | 1.62 | 0.7 | 827 | 43 |
| access articles for free with doi | 1.32 | 0.1 | 743 | 31 |
