Keyword Analysis & Research: when were aircraft used in ww1

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when were aircraft used in ww1	1.46	0.7	5797	68	30
when	0.15	1	6581	25	4
were	1.49	0.9	4260	78	4
aircraft	0.15	0.9	3018	36	8
used	0.96	0.9	2450	87	4
in	1.93	0.4	6827	6	2
ww1	0.15	0.3	8911	22	3

Keyword	CPC	PCC	Volume	Score
when were aircraft used in ww1	1.93	0.2	1010	70