Keyword Analysis & Research: when was knob and tube used

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was knob and tube used	0.36	0.6	5132	90	27
when	1.07	0.7	7594	22	4
was	1.09	0.5	6886	75	3
knob	1.35	0.7	998	59	4
and	0.46	0.3	3202	14	3
tube	1.71	0.2	8669	25	4
used	1.79	1	2653	88	4

Keyword	CPC	PCC	Volume	Score
when was knob and tube used	0.36	0.1	551	49