HTTP Archive · 2026-09-01 crawl

See which Shopify apps bloat your store.

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

Shopify stores analyzed
729,553
Apps ranked
100
Categories
29
Heaviest (median)
849 KB
Privy

Leaderboard

#AppCategoryScript KB (p50)p75RequestsStores
1PrivyPopups & Email capture
849
850110,959
2GorgiasSupport & Chat
589
6002213,680
3Route *Shipping & Tracking
563
73813,929
4Google Tag ManagerTag Management
528
8373501,715
5SumoPopups & Email capture
503
504790
6DriftSupport & Chat
445
4453448
7Postscript *Email & SMS
404
40435,443
8ZenDeskSupport & Chat
390
39464,031
9Rebuy *Upsell & Personalization
381
41178,482
10RedoReturns
374
740213,870
11Siena AISupport & Chat
348
348236
12LiveChatSupport & Chat
345
347191,341
13Narvar *Shipping & Tracking
315
315156
14IntercomSupport & Chat
280
28331,142
15AudioEye *Accessibility
273
2809280
16Bold CommerceSubscriptions
255
35314,513
17SwymWishlist
251
4211211,732
18Accessibe Accessibility OverlayAccessibility
228
22815,686
19SignifydFraud
225
226141,768
20KlarnaPayments & BNPL
219
22036,550
21LoyaltyLionLoyalty & Rewards
208
262193,093
22Growave *Loyalty & Rewards
208
236162,671
23Re:amaze *Support & Chat
208
20831,737
24PayPalPayments & BNPL
194
196213,306
25FacebookAds & Pixels
188
1932459,555
26Termly *Consent & Privacy
156
1565314
27AffirmPayments & BNPL
150
15013,216
28Klevu SearchSearch & Discovery
142
1496218
29Zipify *Page builder
139
1391217
30OptiMonkPopups & Email capture
138
216114,055
31Boost Commerce *Search & Discovery
138
19442,988
32KlaviyoEmail & SMS
136
23422162,906
33OneTrustConsent & Privacy
133
14832,815
34Recharge *Subscriptions
122
16819,983
35Fera *Reviews
118
11812,636
36DoofinderSearch & Discovery
113
11442,105
37GladlySupport & Chat
101
1014205
38YotpoReviews
99
199418,477
39IntelligemsA/B testing & Pricing
98
10614,884
40Amazon PayPayments & BNPL
96
961525
41HubspotMarketing
92
11558,732
42Omnisend *Email & SMS
85
85424,589
43HeapAnalytics
84
84288
44CrispSupport & Chat
81
823790
45Smile.io *Loyalty & Rewards
81
147422,228
46UserWay *Accessibility
74
11542,581
47Northbeam *Analytics
74
13641,047
48Clerk.io ApSSearch & Discovery
73
975441
49Weglot *Translation
73
7326,440
50TolstoyVideo & UGC
68
23473,258
51HotjarAnalytics
62
62222,568
52AttentiveEmail & SMS
60
19154,298
53Shogun *Page builder
60
651226
54OrdergrooveSubscriptions
59
621176
55NostoUpsell & Personalization
50
991554
56Skio *Subscriptions
47
471694
57TikTokAds & Pixels
46
462131,850
58Sezzle *Payments & BNPL
41
4123,485
59PinterestAds & Pixels
40
4038,881
60Restock RocketBack in stock & Preorder
39
39110,003
61Reviews.ioReviews
39
13923,923
62YottaaPerformance
38
451261
63CookiebotConsent & Privacy
37
3715,632
64Consentmo GDPR ComplianceConsent & Privacy
36
44114,895
65Stamped.ioReviews
33
3319,351
66Loox *Reviews
32
32128,940
67Elevar *Analytics
27
2834,955
68Microsoft ClarityAnalytics
26
26297,278
69Impact RadiusAffiliates
25
2611,120
70CriteoAds & Pixels
24
2421,070
71Global-eCross-border
24
2531,208
72SnapchatAds & Pixels
24
82117,989
73UpSellitUpsell & Personalization
24
422348
74Reddit PixelAds & Pixels
20
2015,538
75MouseflowAnalytics
20
5111,017
76Bing AdsAds & Pixels
16
18227,937
77Trustpilot *Reviews
16
40524,646
78Junip *Reviews
15
1622,275
79Rakuten MarketingAffiliates
15
1611,274
80Lucky OrangeAnalytics
14
14110,019
81Wishlist King (Appmate)Wishlist
12
16153,616
82OkendoReviews
11
7426,324
83Loop Returns *Returns
9
92220
84AfterpayPayments & BNPL
7
3018,422
85Wishlist KingWishlist
7
1383,446
86RefersionAffiliates
7
332196
87UpPromote *Affiliates
7
14159
88Social Snowball *Affiliates
6
611,440
89MailchimpEmail & SMS
5
5151,378
90Zigpoll *Surveys
5
522,192
91GoAffPro *Affiliates
5
51167
92UsableNetAccessibility
5
82139
93SearchaniseSearch & Discovery
3
61102
94ShopMyAffiliates
2
312,485
95PageFly *Page builder
2
512,339
96JustUnoPopups & Email capture
1
21561
97AfterShip *Shipping & Tracking
1
1161
98Judge.meReviews
0
119,552
99WisePopsPopups & Email capture
0
791528
100Tapcart *Mobile app
0
691360

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