Keyword Analysis & Research: when was the first steam locomotive invented

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the first steam locomotive invented	0.51	0.2	2570	22	44
when	1.36	0.3	9291	23	4
was	1.09	0.6	4818	58	3
the	0.19	0.7	7064	94	3
first	0.94	0.9	7619	21	5
steam	1.91	0.4	181	37	5
locomotive	1.22	0.8	149	25	10
invented	0.59	1	1237	79	8

Keyword	CPC	PCC	Volume	Score
when was the first steam locomotive invented	1.84	0.8	6070	25