| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| openstax textbooks astronomy | 1.32 | 0.9 | 2857 | 5 | 28 |
| openstax | 0.95 | 0.1 | 8269 | 16 | 8 |
| textbooks | 0.53 | 0.3 | 9708 | 91 | 9 |
| astronomy | 0.1 | 0.4 | 6237 | 22 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| openstax textbooks astronomy | 1.2 | 0.3 | 5024 | 43 |
| openstax astronomy textbook | 0.68 | 0.4 | 1764 | 41 |
| openstax online astronomy textbook | 1.82 | 0.5 | 6661 | 100 |
| openstax astronomy textbook pdf | 0.63 | 1 | 1816 | 23 |
| openstax astronomy 2nd edition | 0.22 | 0.6 | 3411 | 88 |
| openstax astronomy answer key | 1.56 | 0.4 | 3591 | 35 |
