E-commerce impact

E-commerce providers and their performance.

Field data PhoneDesktopAll Scope All sites Q2 2026 edition · Phone field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for E-commerce impact

E-commerce providers and their performance.

12
Providers ranked
After min-sites filter
40,405
Sites in sample
Combined across all items
0.01
Best CLS (p75)
Shopware
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Shopware 0.01 91.5%
5,514
2 Shop Pay 0.02 93.1%
7,922
3 Shopify 0.02 93.1%
7,965
4 WooCommerce 0.02 90.4%
12,482
5 PayPal 0.03 86.4%
2,306
6 Klarna 0.05 85.4%
491
7 PrestaShop 0.06 87.3%
1,221
8 Stripe 0.08 78.1%
1,844
9 OpenCart 0.09 86.4%
231
10 Afterpay/Affirm 0.11 74.5%
80
11 BigCommerce 0.17 67.0%
124
12 Ecwid 0.17 67.8%
225
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Snipcart 0% 23 100% 0.00
Shop Pay 4.2% 7,922 93% 0.02
Shopify 4.2% 7,965 93% 0.02
Shopware 2.9% 5,514 92% 0.01
WooCommerce 6.6% 12,482 90% 0.02
PrestaShop 0.6% 1,221 87% 0.06
PayPal 1.2% 2,306 86% 0.03
OpenCart 0.1% 231 86% 0.09
Klarna 0.3% 491 85% 0.05
Stripe 1% 1,844 78% 0.08
Salesforce commerce 0% 4 75% 0.05
Afterpay/Affirm 0% 80 75% 0.11
Volusion 0% 17 71% 0.23
Ecwid 0.1% 225 68% 0.17
BigCommerce 0.1% 124 67% 0.17
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good CLS (0.1 at p75) · one value per site

93% of Shop Pay sites pass CLS. BigCommerce trails 26 points behind, leaving 33% of its sites failing. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
4

All five vitals at once the whole category without toggling - cell is the pass rate, small number the p75

LCP
INP
CLS
FCP
TTFB
Shop Pay 4.2%
931.8s
94138ms
930.02
931.2s
94537ms
WooCommerce 6.6%
593.1s
97120ms
900.02
462.7s
202.3s
PayPal 1.2%
842.2s
94129ms
860.03
781.7s
551.2s
Ecwid 0.1%
632.9s
89172ms
680.17
741.9s
451.4s
Klarna 0.3%
862.1s
91161ms
850.05
831.6s
71893ms
BigCommerce 0.1%
892.2s
97132ms
670.17
841.6s
86696ms
OpenCart 0.1%
862.0s
96110ms
860.09
771.7s
521.2s
Salesforce commerce 0%
502.6s
75199ms
750.05
502.0s
50883ms
Shopware 2.9%
881.9s
94122ms
920.01
831.6s
611.0s
Stripe 1%
682.8s
85159ms
780.08
592.2s
541.3s
PrestaShop 0.6%
822.3s
93129ms
870.06
682.0s
321.4s
Shopify 4.2%
931.8s
93138ms
930.02
931.2s
94539ms
Afterpay/Affirm 0%
722.6s
86163ms
750.11
751.8s
76744ms
Snipcart 0%
1001.2s
10096ms
1000.00
90933ms
89764ms
Volusion 0%
862.3s
100122ms
710.23
712.0s
83726ms
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites

One row per provider, one column per vital - the cell is the share of sites passing, the small number the p75. No toggling needed to see where the category actually differs.

Shop Pay leads on CLS: 93% of its sites pass. BigCommerce trails at 67%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
Related signals Personalization (6) → Marketing pixels (10) → RUM (14) → Scheduling (3) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured