Keyword Analysis & Research: what does it mean to double

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does it mean to double	0.95	1	9552	33	27
what	0.27	0.8	5762	67	4
does	1.56	0.2	9258	31	4
it	0.56	0.3	8007	58	2
mean	0.13	0.3	4400	60	4
to	1.25	0.6	1698	39	2
double	0.32	0.3	8481	15	6

Keyword	CPC	PCC	Volume	Score
what does it mean to double	1.44	0.9	9922	2