Shopify app bloat leaderboard

How much JavaScript each app loads on real Shopify stores (mobile), measured across 729,553 Shopify store home pages in the HTTP Archive 2026-09-01 crawl. Only apps seen on at least 20 stores are listed.

#	App	Category	Script KB (p50)	Script KB (p75)	Script requests (p50)	Stores
1	Privy	Popups & Email capture	849	850	1	10,959
2	Gorgias	Support & Chat	589	600	22	13,680
3	Route *	Shipping & Tracking	563	738	1	3,929
4	Google Tag Manager	Tag Management	528	837	3	501,715
5	Sumo	Popups & Email capture	503	504	7	90
6	Drift	Support & Chat	445	445	34	48
7	Postscript *	Email & SMS	404	404	3	5,443
8	ZenDesk	Support & Chat	390	394	6	4,031
9	Rebuy *	Upsell & Personalization	381	411	7	8,482
10	Redo	Returns	374	740	21	3,870
11	Siena AI	Support & Chat	348	348	2	36
12	LiveChat	Support & Chat	345	347	19	1,341
13	Narvar *	Shipping & Tracking	315	315	1	56
14	Intercom	Support & Chat	280	283	3	1,142
15	AudioEye *	Accessibility	273	280	9	280
16	Bold Commerce	Subscriptions	255	353	1	4,513
17	Swym	Wishlist	251	421	12	11,732
18	Accessibe Accessibility Overlay	Accessibility	228	228	1	5,686
19	Signifyd	Fraud	225	226	14	1,768
20	Klarna	Payments & BNPL	219	220	3	6,550
21	LoyaltyLion	Loyalty & Rewards	208	262	19	3,093
22	Growave *	Loyalty & Rewards	208	236	16	2,671
23	Re:amaze *	Support & Chat	208	208	3	1,737
24	PayPal	Payments & BNPL	194	196	2	13,306
25	Facebook	Ads & Pixels	188	193	2	459,555
26	Termly *	Consent & Privacy	156	156	5	314
27	Affirm	Payments & BNPL	150	150	1	3,216
28	Klevu Search	Search & Discovery	142	149	6	218
29	Zipify *	Page builder	139	139	1	217
30	OptiMonk	Popups & Email capture	138	216	11	4,055
31	Boost Commerce *	Search & Discovery	138	194	4	2,988
32	Klaviyo	Email & SMS	136	234	22	162,906
33	OneTrust	Consent & Privacy	133	148	3	2,815
34	Recharge *	Subscriptions	122	168	1	9,983
35	Fera *	Reviews	118	118	1	2,636
36	Doofinder	Search & Discovery	113	114	4	2,105
37	Gladly	Support & Chat	101	101	4	205
38	Yotpo	Reviews	99	199	4	18,477
39	Intelligems	A/B testing & Pricing	98	106	1	4,884
40	Amazon Pay	Payments & BNPL	96	96	1	525
41	Hubspot	Marketing	92	115	5	8,732
42	Omnisend *	Email & SMS	85	85	4	24,589
43	Heap	Analytics	84	84	2	88
44	Crisp	Support & Chat	81	82	3	790
45	Smile.io *	Loyalty & Rewards	81	147	4	22,228
46	UserWay *	Accessibility	74	115	4	2,581
47	Northbeam *	Analytics	74	136	4	1,047
48	Clerk.io ApS	Search & Discovery	73	97	5	441
49	Weglot *	Translation	73	73	2	6,440
50	Tolstoy	Video & UGC	68	234	7	3,258
51	Hotjar	Analytics	62	62	2	22,568
52	Attentive	Email & SMS	60	191	5	4,298
53	Shogun *	Page builder	60	65	1	226
54	Ordergroove	Subscriptions	59	62	1	176
55	Nosto	Upsell & Personalization	50	99	1	554
56	Skio *	Subscriptions	47	47	1	694
57	TikTok	Ads & Pixels	46	46	2	131,850
58	Sezzle *	Payments & BNPL	41	41	2	3,485
59	Pinterest	Ads & Pixels	40	40	3	8,881
60	Restock Rocket	Back in stock & Preorder	39	39	1	10,003
61	Reviews.io	Reviews	39	139	2	3,923
62	Yottaa	Performance	38	45	1	261
63	Cookiebot	Consent & Privacy	37	37	1	5,632
64	Consentmo GDPR Compliance	Consent & Privacy	36	44	1	14,895
65	Stamped.io	Reviews	33	33	1	9,351
66	Loox *	Reviews	32	32	1	28,940
67	Elevar *	Analytics	27	28	3	4,955
68	Microsoft Clarity	Analytics	26	26	2	97,278
69	Impact Radius	Affiliates	25	26	1	1,120
70	Criteo	Ads & Pixels	24	24	2	1,070
71	Global-e	Cross-border	24	25	3	1,208
72	Snapchat	Ads & Pixels	24	82	1	17,989
73	UpSellit	Upsell & Personalization	24	42	2	348
74	Reddit Pixel	Ads & Pixels	20	20	1	5,538
75	Mouseflow	Analytics	20	51	1	1,017
76	Bing Ads	Ads & Pixels	16	18	2	27,937
77	Trustpilot *	Reviews	16	40	5	24,646
78	Junip *	Reviews	15	16	2	2,275
79	Rakuten Marketing	Affiliates	15	16	1	1,274
80	Lucky Orange	Analytics	14	14	1	10,019
81	Wishlist King (Appmate)	Wishlist	12	16	15	3,616
82	Okendo	Reviews	11	74	2	6,324
83	Loop Returns *	Returns	9	9	2	220
84	Afterpay	Payments & BNPL	7	30	1	8,422
85	Wishlist King	Wishlist	7	13	8	3,446
86	Refersion	Affiliates	7	33	2	196
87	UpPromote *	Affiliates	7	14	1	59
88	Social Snowball *	Affiliates	6	6	1	1,440
89	Mailchimp	Email & SMS	5	5	1	51,378
90	Zigpoll *	Surveys	5	5	2	2,192
91	GoAffPro *	Affiliates	5	5	1	167
92	UsableNet	Accessibility	5	8	2	139
93	Searchanise	Search & Discovery	3	6	1	102
94	ShopMy	Affiliates	2	3	1	2,485
95	PageFly *	Page builder	2	5	1	2,339
96	JustUno	Popups & Email capture	1	2	1	561
97	AfterShip *	Shipping & Tracking	1	1	1	61
98	Judge.me	Reviews	0	1	1	9,552
99	WisePops	Popups & Email capture	0	79	1	528
100	Tapcart *	Mobile app	0	69	1	360

* Attribution domains not yet manually verified. Data: HTTP Archive mobile crawl, Sept 2026, store home pages.