The Ultimate Guide to Image Optimization for WordPress

	A	B	C	D	E	F	G	H	I	J
1	All units are in KB.	child.jpg	%	room.jpg	%	flower.jpg	%	Average %	pt-logo.png	%
2	Original	1080	0	582	0	1024	0	0	113	0
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4	TinyPNG (online)	455	-58	186	-68	352	-66	-64	52	-54
5	Optimizilla (online)	222	-79	131	-77	210	-79	-79	50	-56
6	Compressor (online)	165	-85	106	-82	159	-84	-84	65	-42
7	ImageOptim (online)	164	-85	88	-85	172	-83	-84
8	ImageSmaller (online)	180	-83	129	-78	180	-82	-81	69	-39
9	Kraken (online)	350	-68	165	-72	328	-68	-69	54	-52
10	JPEG.io (online)	350	-68	165	-72	328	-68	-69
11	PageSpeed Insights (online)	189	-83	123	-79	181	-82	-81	95	-16
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13	Compress JPEG & PNG images (plugin)	445	-59	182	-69	344	-66	-65	50	-56
14	WP Smush (free plugin)	971	-10	507	-13	916	-11	-11	111	-2
15	ShortPixel (plugin)	172	-84	95	-84	172	-83	-84	57	-50
16	Imagify (plugin, aggressive option)	314	-71	179	-69	295	-71	-70	68	-40
17	Imagify (plugin, ultra option)	266	-75	100	-83	250	-76	-78	58	-49
18	EWWW Image Optimizer (free plugin)	921	-15	472	-19	866	-15	-16	78	-31
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