Keyword Analysis & Research: what is a singleton class

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what is a singleton class	1.74	1	1820	87	25
what	1.36	0.2	3248	53	4
is	1.64	0.2	30	47	2
a	0.45	0.1	4479	31	1
singleton	0.17	1	2962	70	9
class	0.27	0.5	4591	95	5

Keyword	CPC	PCC	Volume	Score
what is a singleton class	0.86	0.1	962	16