| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| certification of service letter | 1.42 | 0.5 | 9950 | 91 | 31 |
| certification | 0.48 | 1 | 3214 | 61 | 13 |
| of | 1.19 | 1 | 3684 | 38 | 2 |
| service | 1.33 | 0.8 | 5340 | 7 | 7 |
| letter | 0.57 | 0.8 | 9982 | 27 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| certification of service letter | 0.89 | 0.3 | 3488 | 100 |
