| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pdf file format specification | 1.27 | 0.6 | 5180 | 80 | 29 |
| 1.26 | 0.8 | 7661 | 22 | 3 | |
| file | 1.68 | 0.7 | 9769 | 71 | 4 |
| format | 1.42 | 0.9 | 8088 | 40 | 6 |
| specification | 0.99 | 0.6 | 1886 | 74 | 13 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pdf file format specification | 0.73 | 0.8 | 796 | 33 |
