| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| authority key identifier ������ | 1.24 | 0.2 | 4131 | 32 | 43 |
| authority | 1.61 | 1 | 3214 | 43 | 9 |
| key | 1.63 | 0.7 | 1977 | 4 | 3 |
| identifier | 0.54 | 0.9 | 6878 | 36 | 10 |
| ������ | 1.42 | 0.3 | 243 | 87 | 18 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| authority key identifier ������ | 1.88 | 0.7 | 380 | 2 |
