| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| gutenberg library project | 1.59 | 0.5 | 3784 | 25 | 54 |
| gutenberg project/book library | 0.4 | 0.7 | 3033 | 30 | 11 |
| project gutenberg free ebooks library | 0.48 | 0.8 | 2867 | 37 | 23 |
| project gutenberg open library | 1.35 | 0.4 | 5384 | 30 | 49 |
| gutenberg project or open library | 0.71 | 0.3 | 9322 | 33 | 9 |
| open library vs project gutenberg | 0.34 | 0.4 | 2446 | 33 | 15 |
| project gutenberg online library | 1.31 | 0.6 | 3766 | 32 | 50 |
| project gutenberg digital library | 1.45 | 0.9 | 4089 | 33 | 100 |
| gutenberg project book library | 1.36 | 0.6 | 4031 | 30 | 87 |
