| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| online world history textbook pdf | 1.72 | 0.5 | 7385 | 50 |
| online world history textbook free | 0.37 | 0.8 | 109 | 54 |
| free online world history textbook pdf | 1.61 | 0.9 | 7689 | 79 |
| ap world history textbook online pdf | 1.08 | 0.5 | 3270 | 78 |
| free world history textbook pdf | 1.92 | 1 | 6305 | 10 |
| world history interactive online textbook | 1.02 | 0.3 | 4353 | 82 |
| world history 1 textbook pdf | 0.57 | 0.1 | 963 | 55 |
| online world history book | 1.74 | 0.3 | 2074 | 39 |
| world history book pdf | 1.25 | 1 | 42 | 65 |
| world history book pdf download | 1.11 | 0.7 | 9765 | 48 |
| free world history textbook | 1.84 | 0.9 | 2096 | 31 |
