Keyword Analysis & Research: when were fax machines invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when were fax machines invented	0.24	0.8	196	7	31
when	0.22	0.4	325	4	4
were	1.8	0.4	3141	92	4
fax	1.26	0.4	9503	48	3
machines	0.45	0.6	2162	83	8
invented	1.41	0.3	1439	31	8

Keyword	CPC	PCC	Volume	Score
when were fax machines invented	0.53	0.5	7241	6