Keyword Analysis & Research: when did gutenberg invent the printing press

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did gutenberg invent the printing press	1.31	0.4	113	28	44
when	0.68	0.5	4539	69	4
did	0.98	0.7	1419	78	3
gutenberg	0.79	0.3	4667	21	9
invent	0.94	0.1	1589	71	6
the	1.09	0.3	4665	20	3
printing	1.57	0.5	252	90	8
press	1.6	0.9	8891	53	5

Keyword	CPC	PCC	Volume	Score
when did gutenberg invent the printing press	0.38	0.8	992	12
what year did gutenberg invent printing press	0.84	1	6938	82
why did gutenberg invent the printing press	0.92	0.3	4377	75
did gutenberg invent the printing press	0.13	0.6	46	79
where did gutenberg invent the printing press	0.87	0.8	1587	99