Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
who invented the printing press in china | 1.88 | 0.8 | 1512 | 27 |
when was the printing press invented in china | 1.77 | 0.5 | 7934 | 21 |
was the printing press invented in china | 1.42 | 0.8 | 8517 | 93 |
printing press invented in china | 1.08 | 0.8 | 1969 | 68 |
who invented the printing press china | 1.94 | 1 | 1035 | 11 |