| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| format of authority letter | 0.9 | 0.9 | 2289 | 86 | 26 |
| format | 1.73 | 0.1 | 8559 | 52 | 6 |
| of | 0.09 | 0.5 | 6408 | 51 | 2 |
| authority | 1.65 | 0.2 | 8994 | 100 | 9 |
| letter | 1.92 | 0.3 | 3226 | 99 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| format of authority letter | 0.61 | 0.9 | 9657 | 56 |
