Keyword Analysis & Research: when was water filters invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was water filters invented	0.89	0.9	7342	64	31
when	1.58	0.7	4884	46	4
was	1.44	0.8	3907	5	3
water	1.8	0.2	1426	25	5
filters	0.16	0.7	5784	6	7
invented	0.23	0.6	2704	40	8

Keyword	CPC	PCC	Volume	Score
when was water filters invented	0.15	0.6	9085	70