Keyword Analysis & Research: when were fighter jets invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when were fighter jets invented	0.38	0.7	6483	41	31
when	1.79	0.8	1530	83	4
were	1.43	0.6	3697	74	4
fighter	1.64	0.5	3173	49	7
jets	1.54	0.7	5409	66	4
invented	0.02	0.1	2916	86	8

Keyword	CPC	PCC	Volume	Score
when were fighter jets invented	1.52	0.9	4138	1