Keyword Analysis & Research: why are png files bigger than jpeg

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why are png files bigger than jpeg	0.25	0.1	5639	51	34
why	0.36	0.9	9202	29	3
are	1.5	0.7	9629	26	3
png	1.29	0.2	8695	25	3
files	0.46	0.7	9966	96	5
bigger	0.9	0.9	671	76	6
than	1.43	0.6	752	34	4
jpeg	1.68	0.7	7937	3	4

Keyword	CPC	PCC	Volume	Score
why are png files bigger than jpeg	0.67	0.8	4681	10