Keyword Analysis & Research: when was the first ufo reported

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the first ufo reported	1.31	0.7	6463	87	31
when	0.18	0.9	98	49	4
was	1.75	0.3	4188	90	3
the	1.96	0.9	9917	93	3
first	0.07	0.8	9836	36	5
ufo	0.05	0.4	2599	61	3
reported	0.75	0.9	4119	9	8

Keyword	CPC	PCC	Volume	Score
when was the first ufo reported	1.77	1	1152	23