Keyword Analysis & Research: when was the printing press created

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the printing press created	1.37	0.7	3816	57	35
when	0.44	0.9	1025	24	4
was	0.79	0.3	7867	83	3
the	0.32	0.4	157	66	3
printing	1.07	0.2	8661	27	8
press	1.94	0.7	1143	62	5
created	0.23	0.2	5806	18	7

Keyword	CPC	PCC	Volume	Score
when was the printing press created	1.43	0.1	7999	88