Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
gutenberg invented the printing press | 0.74 | 0.2 | 1930 | 63 |
printing press invented by johannes gutenberg | 1.53 | 0.8 | 6893 | 41 |
when was printing press invented by gutenberg | 1.5 | 0.9 | 6917 | 34 |
when gutenberg invented the printing press | 0.58 | 0.4 | 9646 | 92 |
who invented the gutenberg printing press | 1.45 | 0.4 | 6404 | 61 |
why was the gutenberg printing press invented | 1.82 | 0.4 | 5956 | 30 |
johann gutenberg invented the printing press | 1.35 | 0.7 | 7645 | 30 |