| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free online calculus textbook | 0.41 | 0.8 | 1590 | 86 | 29 |
| free | 0.06 | 0.4 | 7125 | 95 | 4 |
| online | 1.28 | 1 | 6816 | 61 | 6 |
| calculus | 0.31 | 0.4 | 9320 | 84 | 8 |
| textbook | 0.47 | 0.3 | 461 | 93 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free online calculus textbook | 1.49 | 0.5 | 2919 | 47 |
