The State of Web Vitals

E-commerce impact

E-commerce providers and their performance.

Field data PhoneDesktopAll Scope All sites Q1 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.

11
Providers ranked
After min-sites filter
21,269
Sites in sample
Combined across all items
0.02
Best CLS (p75)
Shop Pay
The State of Web Vitals · Q1 2026 · 94,910 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 93.6%
4,205
2 Shopify 0.02 93.4%
4,224
3 Shopware 0.03 90.0%
2,934
4 PayPal 0.04 85.6%
1,243
5 WooCommerce 0.04 87.9%
6,534
6 OpenCart 0.06 89.4%
116
7 PrestaShop 0.06 84.2%
604
8 Klarna 0.07 81.4%
250
9 Stripe 0.09 77.7%
967
10 Ecwid 0.14 71.1%
125
11 BigCommerce 0.17 67.2%
67
The State of Web Vitals · Q1 2026 · 94,910 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% 13 100% 0.01
Shop Pay 4.4% 4,205 94% 0.02
Shopify 4.5% 4,224 93% 0.02
Shopware 3.1% 2,934 90% 0.03
OpenCart 0.1% 116 89% 0.06
WooCommerce 6.9% 6,534 88% 0.04
PayPal 1.3% 1,243 86% 0.04
PrestaShop 0.6% 604 84% 0.06
Klarna 0.3% 250 81% 0.07
Stripe 1% 967 78% 0.09
Ecwid 0.1% 125 71% 0.14
BigCommerce 0.1% 67 67% 0.17
Afterpay/Affirm 0% 42 67% 0.13
Volusion 0% 9 56% 0.23
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

94% of Shop Pay sites pass CLS. Ecwid trails 23 points behind, leaving 29% of its sites failing. computed

The State of Web Vitals · Q1 2026 · 94,910 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 6.9%
583.2s
99102ms
880.04
452.8s
172.4s
Shopify 4.5%
941.7s
96122ms
930.02
941.2s
94536ms
Shop Pay 4.4%
941.7s
96122ms
940.02
941.2s
94535ms
Shopware 3.1%
901.9s
96106ms
900.03
851.5s
64999ms
PayPal 1.3%
832.2s
96112ms
860.04
761.8s
521.3s
Stripe 1%
692.8s
89139ms
780.09
632.2s
551.3s
PrestaShop 0.6%
852.2s
96107ms
840.06
721.9s
331.4s
Klarna 0.3%
862.0s
94144ms
810.07
841.6s
70860ms
Ecwid 0.1%
682.7s
96124ms
710.14
801.6s
521.3s
OpenCart 0.1%
901.7s
9988ms
890.06
851.5s
571.1s
BigCommerce 0.1%
902.1s
100119ms
670.17
901.6s
85726ms
Afterpay/Affirm 0%
672.7s
92145ms
670.13
712.0s
68879ms
Snipcart 0%
1001.6s
10086ms
1000.01
921.3s
91583ms
Volusion 0%
782.0s
100108ms
560.23
781.7s
75862ms
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: 94% of its sites pass. Ecwid trails at 71%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals Personalization (5) → Marketing pixels (10) → RUM (13) → Scheduling (3) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured