Keyword Analysis & Research: what was the first superhero comic book

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what was the first superhero comic book	1.36	0.4	7854	46	39
what	0.95	0.2	6268	2	4
was	0.97	0.7	3859	83	3
the	1.85	0.9	4500	31	3
first	0.7	0.2	6272	53	5
superhero	1.74	0.4	4165	4	9
comic	1.65	0.5	806	63	5
book	0.41	0.5	508	34	4

Keyword	CPC	PCC	Volume	Score
what was the first superhero comic book	1.98	0.3	2775	43