Keyword Analysis & Research: when were machines developed

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when were machines developed	0.63	0.3	5597	70	28
when	0.51	0.8	8940	41	4
were	1.46	0.3	376	76	4
machines	0.47	0.1	3359	73	8
developed	1.39	0.9	3931	16	9

Keyword	CPC	PCC	Volume	Score
when were machines developed	1.78	0.6	2490	92