| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| project gutenberg online book catalog | 1.22 | 0.6 | 7014 | 84 |
| project gutenburg online book catalog | 1.66 | 1 | 1770 | 90 |
| gutenberg project books online | 1.21 | 0.2 | 247 | 74 |
| gutenberg project free books online | 0.69 | 1 | 4809 | 93 |
| downloadable books on project gutenberg | 1.18 | 0.3 | 4722 | 38 |
| books online free to read project gutenberg | 0.7 | 0.1 | 8111 | 86 |
| gutenberg project book library | 1.49 | 0.5 | 9088 | 42 |
| project gutenberg download all books | 1.67 | 1 | 8785 | 76 |
| free downloadable books on project gutenberg | 1.93 | 0.2 | 6991 | 51 |
| free books project gutenberg | 1.42 | 0.1 | 2719 | 14 |
| project gutenberg books list | 0.2 | 0.6 | 887 | 57 |
| project gutenberg free pdf books | 0.37 | 0.6 | 331 | 59 |
| project gutenberg free books download | 1.3 | 0.2 | 6094 | 83 |
| read free books project gutenberg | 1.95 | 0.9 | 9286 | 51 |
| the gutenberg project ebook | 0.56 | 0.5 | 24 | 33 |
| gutenberg project free ebooks | 0.51 | 0.5 | 3472 | 66 |
