| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the printing press was invented by | 1.8 | 0.9 | 6940 | 88 |
| the printing press was invented in the 15th | 0.61 | 0.5 | 3438 | 23 |
| the printing press was invented in what year | 1.47 | 0.5 | 1244 | 1 |
| the printing press was invented when | 1.45 | 0.1 | 5376 | 77 |
| who invented the printing press | 1.5 | 0.1 | 7452 | 3 |
| printing press invented | 0.55 | 0.9 | 4188 | 74 |
| where was the printing press invented | 0.44 | 0.4 | 2990 | 36 |
| when was the first printing press invented | 1.3 | 0.8 | 6495 | 5 |
| printing press was invented in which year | 0.8 | 0.3 | 4928 | 62 |
| printing press was invented in which period | 1.02 | 0.1 | 5652 | 22 |
| printing press was invented during what age | 0.99 | 0.2 | 9236 | 89 |
