E-commerce impact

E-commerce providers and their performance.

Field data PhoneDesktopAll Scope All sites Q1 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.

11
Providers ranked
After min-sites filter
21,269
Sites in sample
Combined across all items
0.01
Best CLS (p75)
Shopware
The State of Web Vitals · Q1 2026 · 94,910 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%
2,934
2 Shop Pay 0.02 93.7%
4,205
3 Shopify 0.02 93.5%
4,224
4 WooCommerce 0.02 90.6%
6,534
5 PayPal 0.03 86.7%
1,243
6 Klarna 0.05 83.1%
250
7 PrestaShop 0.06 87.3%
604
8 OpenCart 0.07 89.1%
116
9 Stripe 0.07 79.5%
967
10 Ecwid 0.15 69.7%
125
11 BigCommerce 0.18 66.7%
67
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Snipcart 0% 13 100% 0.00
Shop Pay 4.4% 4,205 94% 0.02
Shopify 4.5% 4,224 94% 0.02
Shopware 3.1% 2,934 92% 0.01
WooCommerce 6.9% 6,534 91% 0.02
OpenCart 0.1% 116 89% 0.07
PrestaShop 0.6% 604 87% 0.06
PayPal 1.3% 1,243 87% 0.03
Klarna 0.3% 250 83% 0.05
Stripe 1% 967 80% 0.07
Afterpay/Affirm 0% 42 71% 0.13
Ecwid 0.1% 125 70% 0.15
BigCommerce 0.1% 67 67% 0.18
Volusion 0% 9 67% 0.18
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 24 points behind, leaving 30% of its sites failing. computed

The State of Web Vitals · Q1 2026 · 94,910 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
WooCommerce 6.9%
603.1s
97119ms
910.02
472.7s
202.3s
Shopify 4.5%
931.7s
94138ms
940.02
931.2s
94549ms
Shop Pay 4.4%
941.7s
94138ms
940.02
931.2s
94548ms
Shopware 3.1%
881.9s
94123ms
920.01
831.6s
611.0s
PayPal 1.3%
832.2s
94129ms
870.03
761.8s
531.3s
Stripe 1%
692.8s
84156ms
800.07
612.2s
561.3s
PrestaShop 0.6%
842.3s
91131ms
870.06
691.9s
321.4s
Klarna 0.3%
852.1s
91163ms
830.05
821.6s
69911ms
Ecwid 0.1%
672.8s
96144ms
700.15
791.7s
411.3s
OpenCart 0.1%
881.8s
94108ms
890.07
781.6s
521.1s
BigCommerce 0.1%
842.2s
98137ms
670.18
781.7s
84708ms
Afterpay/Affirm 0%
702.6s
89155ms
710.13
741.7s
73870ms
Snipcart 0%
1002.1s
100104ms
1000.00
751.6s
751.0s
Volusion 0%
831.8s
100120ms
670.18
831.1s
100650ms
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: 94% of its sites pass. Ecwid trails at 70%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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