Keyword Analysis & Research: when was the printing press invented in china

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the printing press invented in china	0.22	0.9	9487	92	45
when	0.78	0.7	3697	6	4
was	1.49	0.9	7099	25	3
the	1.76	0.7	4206	15	3
printing	1.17	0.4	2367	78	8
press	0.34	0.4	8642	63	5
invented	1.2	0.7	337	17	8
in	1.01	0.1	210	45	2
china	0.26	0.4	5861	67	5

Keyword	CPC	PCC	Volume	Score
when was the printing press invented in china	0.11	1	8577	99