Keyword Analysis & Research: when was the light bulb invented year

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the light bulb invented year	1.27	0.1	5391	28	37
when	1.11	0.6	2407	44	4
was	0.55	0.5	4714	17	3
the	0.75	0.1	1659	27	3
light	0.45	0.7	6694	37	5
bulb	0.43	0.3	5254	99	4
invented	0.27	1	2338	14	8
year	1.2	0.7	1684	75	4

Keyword	CPC	PCC	Volume	Score
when was the light bulb invented year	0.4	0.7	9513	38
what year was the light bulb invented	1.74	0.1	2332	71
light bulb invented year	1.82	0.8	6794	71
year the light bulb was invented	0.95	0.2	8297	12
what year was the first light bulb invented	0.29	0.1	9598	84
who invented the light bulb what year	1.63	0.2	9918	54
what year was the light bulb invention date	0.16	0.1	4627	50
what year light bulb invented	0.99	0.5	8290	72