| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pdf file format specification tutorial | 0.56 | 0.9 | 4740 | 96 | 38 |
| 0.02 | 0.4 | 9661 | 61 | 3 | |
| file | 0.31 | 0.2 | 1293 | 98 | 4 |
| format | 1.14 | 0.9 | 3512 | 94 | 6 |
| specification | 0.2 | 0.7 | 3610 | 64 | 13 |
| tutorial | 1.05 | 0.9 | 2155 | 62 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pdf file format specification tutorial | 0.37 | 0.2 | 2052 | 39 |
