| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| open access books online | 1.71 | 0.5 | 3800 | 20 | 24 |
| open | 1.15 | 0.3 | 5335 | 59 | 4 |
| access | 1.87 | 0.6 | 507 | 44 | 6 |
| books | 1.25 | 0.1 | 4759 | 16 | 5 |
| online | 1.14 | 0.8 | 7547 | 36 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| open access books online | 1.29 | 0.4 | 2451 | 65 |
| open access books search | 0.31 | 0.9 | 1228 | 14 |
| open access books springer | 1.08 | 0.2 | 5929 | 29 |
| open access books pdf | 1.89 | 0.2 | 7402 | 1 |
| open access book publishing | 1.26 | 0.5 | 2913 | 92 |
| open access books meaning | 0.97 | 0.5 | 8232 | 74 |
| access free books online | 1.74 | 1 | 8739 | 61 |
| directory of open access books | 0.69 | 0.8 | 4798 | 71 |
| online access to books | 1.24 | 0.8 | 4059 | 62 |
| open access to digital books | 1.97 | 0.8 | 7003 | 58 |
| open access books oxford university press | 1.6 | 0.7 | 4764 | 98 |
| google books open access | 1.42 | 0.6 | 3704 | 78 |
| open access book publishers | 1.16 | 1 | 6049 | 34 |
| access books for free | 1.92 | 0.7 | 3497 | 63 |
| free book access online | 1.77 | 0.2 | 330 | 90 |
| direction of open access books | 0.95 | 0.7 | 4855 | 12 |
| open access ebooks pdf | 1.75 | 0.5 | 1351 | 1 |
| how to access books | 0.51 | 0.2 | 2631 | 77 |
| open the books website | 0.5 | 0.9 | 4325 | 58 |
