when did comic books first appear

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did comic books first appear	0.09	0.1	291	71	33
when	1.68	0.2	4922	67	4
did	1.36	0.3	8088	90	3
comic	1.34	0.3	5786	34	5
books	0.11	0.8	7001	80	5
first	1.27	0.4	5952	72	5
appear	1.15	0.8	4412	47	6

Keyword	CPC	PCC	Volume	Score
when did comic books first appear	1.13	0.5	6133	8
first appearance of thor in comic books	0.36	1	358	19
first appearance comic books	0.38	0.1	7298	36
when did batman first appear in comic books	1.33	0.4	6331	55
when did comic books come out	0.97	1	2754	55
when did the first comic come out	1.56	0.8	1394	99
when was comic books invented	1.11	0.4	6340	2
when was the first comic made	1.7	0.6	2697	45
when was the first comic created	1.04	0.8	9901	98
what was the first comic book published	1.05	0.1	8297	38
history of comic books	1.22	0.4	9738	68
what was the first published comic series	0.77	0.5	4727	98
first appearance of thor	0.1	0.1	7743	13