Keyword Analysis & Research: when was gas used in ww1

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was gas used in ww1	0.78	0.1	6669	55	24
when	2	0.6	376	7	4
was	0.56	0.3	8637	45	3
gas	0.73	0.4	4708	64	3
used	0.8	0.6	6989	97	4
in	1.77	0.9	4189	95	2
ww1	0.22	0.6	9460	10	3

Keyword	CPC	PCC	Volume	Score
when was gas used in ww1	0.33	0.9	3363	45