when did cds begin

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did cds begin	0.17	0.4	8281	33	18
when	1.88	0.1	5598	20	4
did	0.41	0.6	3378	54	3
cds	0.24	0.1	4640	19	3
begin	0.32	0.1	3472	78	5

Keyword	CPC	PCC	Volume	Score
when did cds begin	1.97	0.5	6786	57
when did cds become popular	0.13	0.8	544	67
when did cds become common	1.31	0.2	8386	90
when did cds become mainstream	0.6	0.9	837	55
when did cds become obsolete	0.7	0.7	3079	52
when did cds become available	0.36	0.9	2967	63
when did cds become a thing	0.81	0.5	8595	87
language cds german for beginners	1.47	0.8	1673	82
german learning cds for beginners	0.18	0.9	8401	80
spanish learning cds for beginners	0.19	0.1	5561	69