| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| printing press history 1638 | 0.84 | 0.9 | 5507 | 94 | 27 |
| printing | 0.16 | 0.1 | 2277 | 17 | 8 |
| press | 1.4 | 0.3 | 8500 | 34 | 5 |
| history | 1.63 | 0.2 | 5966 | 66 | 7 |
| 1638 | 1.25 | 0.5 | 941 | 32 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| printing press history 1638 | 0.72 | 1 | 9895 | 28 |
| first printing press in america 1639 | 1.03 | 0.1 | 4782 | 16 |
| printing press invented 1436 | 1.82 | 0.5 | 5784 | 10 |
| the printing press history | 1.28 | 0.3 | 3935 | 89 |
| who invented the printing press in 1457 | 0.2 | 0.8 | 5881 | 45 |
| who invented the printing press in 1450 | 0.2 | 1 | 9636 | 29 |
| when was the printing press introduced | 0.82 | 0.4 | 7793 | 88 |
| the first printing press | 0.95 | 0.7 | 5733 | 70 |
| year of the first printing press | 0.02 | 0.7 | 5553 | 62 |
| date of first printing press | 1.38 | 0.7 | 6973 | 16 |
| when was the printing press made | 0.76 | 0.2 | 4744 | 99 |
| early american printing press | 1.27 | 0.3 | 4990 | 8 |
| printing press creation date | 0.19 | 0.4 | 7334 | 66 |
| the invention of the printing press date | 0.28 | 0.9 | 358 | 19 |
| invention of the printing press 1450 | 1.46 | 0.7 | 4113 | 83 |
| who developed the first printing press | 1.64 | 0.6 | 1673 | 47 |
