| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| crossref.org login | 1.31 | 0.3 | 7565 | 13 | 18 |
| crossref.org | 1.51 | 0.2 | 1214 | 100 | 12 |
| login | 0.64 | 0.6 | 7593 | 70 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| crossref.org find doi | 0.07 | 1 | 9010 | 78 |
| crossref.org metadata | 1.52 | 0.5 | 2670 | 61 |
| crossref.org metadata search | 0.62 | 1 | 9528 | 55 |
