Keyword Analysis & Research: what year was the compass invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what year was the compass invented	1.42	0.5	9189	90	34
what	0.13	0.5	2925	59	4
year	1.39	0.1	7730	85	4
was	0.09	0.2	8662	35	3
the	1.91	0.7	7185	46	3
compass	1.65	0.9	7822	18	7
invented	0.9	0.3	8819	30	8

Keyword	CPC	PCC	Volume	Score
what year was the compass invented	1.9	0.3	5495	42
what year was the magnetic compass invented	0.55	0.9	7062	50
when was the compass invented year	1.07	0.9	7777	8