The 71 Fastest Ecommerce Sites by AB testing

(July 2026) - real-user mobile speed from Google CrUX, 28-day window

Rank	Brand	AB testing	CWV	LCP	INP	CLS
1	Herman Miller	VWO	PASS	1.0s	108ms	0.00
2	Perfume.com	Optimizely	PASS	1.0s	147ms	0.00
3	Traeger Grills	Adobe Target	PASS	1.3s	105ms	0.05
4	Le Creuset	Convert	PASS	1.3s	164ms	0.02
5	Party City	Adobe Target	PASS	1.4s	145ms	0.01
6	Chaco	Omniconvert	PASS	1.4s	196ms	0.00
7	Whistles	AB Tasty	PASS	1.5s	147ms	0.04
8	Banfield Pet Hospital	Optimizely	PASS	1.5s	121ms	0.00
9	Patagonia	AB Tasty	PASS	1.7s	155ms	0.00
10	Bowflex	Adobe Target	PASS	1.9s	117ms	0.00
11	Cricut	Optimizely	PASS	2.0s	156ms	0.00
12	Yeti	Optimizely	PASS	2.0s	194ms	0.00
13	All Saints	Optimizely	PASS	2.1s	113ms	0.01
14	Banana Republic	Optimizely	PASS	2.1s	188ms	0.00
15	Birkenstock	Optimizely	PASS	2.2s	167ms	0.08
16	Aquasana	VWO	PASS	2.2s	158ms	0.00
17	Hanna Andersson	AB Tasty	PASS	2.4s	188ms	0.00
18	Liberty	Optimizely	FAIL	1.6s	253ms	0.05
19	Jos A Bank	AB Tasty	FAIL	1.7s	229ms	0.06
20	Quiksilver	Adobe Target	FAIL	1.7s	310ms	0.11
21	Marc Jacobs	AB Tasty	FAIL	1.8s	402ms	0.15
22	Peter Millar	Convert	FAIL	1.8s	165ms	0.24
23	Saucony	Omniconvert	FAIL	1.8s	247ms	0.00
24	Ex Officio	Optimizely	FAIL	1.9s	163ms	0.17
25	Brooks Brothers	Optimizely	FAIL	1.9s	195ms	0.10
26	Janie and Jack	Omniconvert	FAIL	1.9s	129ms	0.12
27	Maurice's	Adobe Target	FAIL	1.9s	145ms	0.48
28	Wrangler US	Optimizely	FAIL	2.0s	202ms	0.02
29	Lee Jeans	Optimizely	FAIL	2.0s	211ms	0.06
30	Mulberry	Optimizely	FAIL	2.0s	134ms	0.10
31	YOOX Group	Optimizely	FAIL	2.1s	312ms	0.14
32	Toolstation	Optimizely	FAIL	2.1s	243ms	0.79
33	PetSmart	Granify	FAIL	2.1s	268ms	0.00
34	The Children's Place	Adobe Target	FAIL	2.1s	573ms	0.00
35	LifeWay Christian Stores	Adobe Target	FAIL	2.1s	135ms	0.12
36	Camping World	VWO	FAIL	2.1s	231ms	0.00
37	Lane Bryant	Optimizely, Adobe Target	FAIL	2.1s	228ms	0.02
38	Footaction	Adobe Target	FAIL	2.2s	571ms	0.65
39	Michaels Stores	Optimizely	FAIL	2.2s	331ms	0.26
40	Stuart Weitzman	Optimizely	FAIL	2.3s	202ms	0.23
41	Netgear	Optimizely	FAIL	2.3s	220ms	0.02
42	Country Outfitter	VWO	FAIL	2.3s	129ms	0.21
43	Bissell	AB Tasty	FAIL	2.3s	395ms	0.13
44	Hibbett Sports	VWO	FAIL	2.4s	270ms	0.02
45	American Eagle	Adobe Target	FAIL	2.4s	496ms	0.18
46	Leslie's	Optimizely	FAIL	2.4s	172ms	0.13
47	J Jill	Adobe Target	FAIL	2.4s	355ms	0.00
48	Karen Millen	AB Tasty	FAIL	2.5s	231ms	0.00
49	HarmanKardon	Optimizely	FAIL	2.6s	179ms	0.02
50	Coach	Optimizely	FAIL	2.8s	428ms	0.28
51	Cartier Inc	AB Tasty	FAIL	2.8s	380ms	0.00
52	Ashley HomeStore	Optimizely	FAIL	2.8s	254ms	0.00
53	Bonobos	Optimizely	FAIL	2.9s	214ms	0.00
54	Lands' End	Adobe Target, Optimizely	FAIL	2.9s	467ms	0.00
55	1800 Petmeds	Optimizely	FAIL	2.9s	182ms	0.00
56	Loft	Adobe Target	FAIL	3.0s	251ms	0.00
57	Guess	AB Tasty	FAIL	3.0s	271ms	0.05
58	Smartwool	Optimizely	FAIL	3.1s	251ms	0.16
59	Philosophy	Optimizely	FAIL	3.1s	229ms	0.04
60	Dicks Sporting Goods	Adobe Target	FAIL	3.2s	237ms	0.00
61	JBL	Optimizely	FAIL	3.2s	313ms	0.11
62	Carphone Warehouse	Adobe Target	FAIL	3.3s	137ms	0.00
63	Eyeconic	VWO	FAIL	3.4s	253ms	0.00
64	Riley Home	Optimizely	FAIL	3.5s	178ms	0.03
65	Zara	Optimizely	FAIL	3.5s	613ms	0.00
66	Burts Bees	Optimizely	FAIL	3.6s	242ms	0.21
67	Diadora	Ablyft	FAIL	3.8s	196ms	0.09
68	Kohl's	Adobe Target	FAIL	3.8s	570ms	0.00
69	Clarins	AB Tasty	FAIL	4.3s	243ms	0.00
70	Dyson	Adobe Target	FAIL	4.5s	128ms	0.00
71	KidsFootLocker.com	Adobe Target	FAIL	8.8s	138ms	0.10

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