The State of Web Vitals

E-commerce impact

E-commerce providers and their performance.

Field data PhoneDesktopAll Scope All sites Q2 2026 edition · All devices 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
40,352
Sites in sample
Combined across all items
0.02
Best CLS (p75)
Shop Pay
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Shop Pay 0.02 93.3%
7,911
2 Shopify 0.02 93.2%
7,954
3 Shopware 0.03 90.2%
5,512
4 WooCommerce 0.04 88.0%
12,465
5 PayPal 0.05 85.6%
2,302
6 Klarna 0.06 83.9%
490
7 PrestaShop 0.06 85.1%
1,216
8 OpenCart 0.07 89.4%
231
9 Stripe 0.09 77.0%
1,842
10 Afterpay/Affirm 0.11 72.2%
80
11 BigCommerce 0.15 65.9%
124
12 Ecwid 0.16 70.7%
225
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices 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% 7,911 93% 0.02
Shopify 4.2% 7,954 93% 0.02
Shopware 2.9% 5,512 90% 0.03
OpenCart 0.1% 231 89% 0.07
WooCommerce 6.6% 12,465 88% 0.04
PayPal 1.2% 2,302 86% 0.05
PrestaShop 0.6% 1,216 85% 0.06
Klarna 0.3% 490 84% 0.06
Stripe 1% 1,842 77% 0.09
Afterpay/Affirm 0% 80 72% 0.11
Ecwid 0.1% 225 71% 0.16
BigCommerce 0.1% 124 66% 0.15
Volusion 0% 17 59% 0.20
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 27 points behind, leaving 34% of its sites failing. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices 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
WooCommerce 6.6%
573.2s
99102ms
880.04
452.8s
182.4s
Shopify 4.2%
941.7s
96122ms
930.02
931.2s
94528ms
Shop Pay 4.2%
941.7s
96122ms
930.02
941.2s
94527ms
Shopware 2.9%
901.9s
96105ms
900.03
851.5s
64996ms
PayPal 1.2%
832.2s
96112ms
860.05
781.7s
541.3s
Stripe 1%
692.8s
90137ms
770.09
622.2s
541.4s
PrestaShop 0.6%
842.3s
97106ms
850.06
711.9s
321.4s
Klarna 0.3%
872.1s
94142ms
840.06
831.6s
71858ms
OpenCart 0.1%
911.8s
9989ms
890.07
861.5s
561.1s
Ecwid 0.1%
652.9s
93144ms
710.16
761.8s
521.3s
BigCommerce 0.1%
942.0s
100112ms
660.15
941.5s
86686ms
Afterpay/Affirm 0%
722.6s
92145ms
720.11
751.9s
74790ms
Snipcart 0%
1001.2s
10085ms
1000.00
95929ms
90616ms
Volusion 0%
772.3s
10083ms
590.20
652.1s
601.6s
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.

Shopify leads on CLS: 93% of its sites pass. BigCommerce trails at 66%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals Personalization (5) → Marketing pixels (10) → RUM (13) → Scheduling (3) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured