helmets for bikes invented when

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
helmets for bikes invented when	0.51	1	2113	90	31
helmets	1.02	0.1	1841	52	7
for	0.44	0.3	452	67	3
bikes	0.18	0.4	1751	90	5
invented	1.01	0.2	2069	63	8
when	1.74	1	5182	73	4

Keyword	CPC	PCC	Volume	Score
helmets for bikes invented when	0.16	0.2	3632	93
when were motorcycle helmets invented	1.32	0.5	7317	46
when were helmets invented	0.56	0.2	3921	29
when did bicycle helmets become common	1.38	1	88	52
history of motorcycle helmets	0.52	0.8	7447	49
who invented motorcycle helmet	0.17	0.2	3381	42
when were helmets introduced	0.59	0.1	1194	68
when were helmets made	0.95	0.5	3004	30
when were hockey helmets invented	0.69	0.6	5286	94
when were helmets first used	0.31	0.5	4078	5
who invented the helmet	0.45	0.4	926	100
evolution of bike helmets	0.37	1	3182	2
when was the first helmet created	1.1	0.1	4190	91
invention of the helmet	0.76	0.6	1905	9
original helmet for motorcycle	0.1	0.4	5540	66
history of the helmet	1.13	0.8	9821	32
evolution of motorcycle helmets	0.75	0.3	2244	6
first helmet used in sports	0.15	0.4	1745	81