E-commerce impact: 11 providers ranked | The State of Web Vitals 2026

LCP INP CLS

At a glance the headline numbers for E-commerce impact

E-commerce providers and their performance.

Providers ranked

After min-sites filter

21,269

Sites in sample

Combined across all items

0.06

Best CLS (p75)

OpenCart

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	OpenCart	0.06	85.7%	116
2	Shop Pay	0.06	85.5%	4,205
3	Shopify	0.06	85.4%	4,224
4	Shopware	0.08	81.1%	2,934
5	PrestaShop	0.09	79.8%	604
6	PayPal	0.09	78.4%	1,243
7	Klarna	0.10	77.4%	250
8	WooCommerce	0.10	76.0%	6,534
9	Stripe	0.12	69.9%	967
10	BigCommerce	0.13	68.1%	67
11	Ecwid	0.20	64.5%	125

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Snipcart 0% 13 100% 0.06

OpenCart 0.1% 116 86% 0.06

Shop Pay 4.4% 4,205 86% 0.06

Shopify 4.5% 4,224 85% 0.06

Shopware 3.1% 2,934 81% 0.08

PrestaShop 0.6% 604 80% 0.09

PayPal 1.3% 1,243 78% 0.09

Klarna 0.3% 250 77% 0.10

WooCommerce 6.9% 6,534 76% 0.10

Stripe 1% 967 70% 0.12

BigCommerce 0.1% 67 68% 0.13

Afterpay/Affirm 0% 42 65% 0.13

Ecwid 0.1% 125 65% 0.20

Volusion 0% 9 50% 0.22

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

86% of OpenCart sites pass CLS. Ecwid trails 21 points behind, leaving 35% of its sites failing. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv

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

10061ms

760.10

502.7s

162.4s

Shopify 4.5%

951.7s

9977ms

850.06

941.1s

94496ms

Shop Pay 4.4%

951.7s

9977ms

860.06

951.1s

94493ms

Shopware 3.1%

911.8s

9964ms

810.08

871.4s

641.0s

PayPal 1.3%

862.0s

9966ms

780.09

811.6s

541.3s

Stripe 1%

772.5s

9781ms

700.12

721.9s

531.3s

PrestaShop 0.6%

892.0s

9957ms

800.09

791.7s

371.3s

Klarna 0.3%

892.0s

9890ms

770.10

851.4s

78779ms

Ecwid 0.1%

632.9s

10091ms

650.20

841.4s

501.3s

OpenCart 0.1%

881.8s

10058ms

860.06

821.3s

531.1s

BigCommerce 0.1%

942.0s

10084ms

680.13

851.6s

86716ms

Afterpay/Affirm 0%

762.3s

91113ms

650.13

811.6s

70831ms

Snipcart 0%

672.1s

10073ms

1000.06

671.7s

501.5s

Volusion 0%

672.6s

10041ms

500.22

831.5s

80690ms

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: 86% of its sites pass. Ecwid trails at 65%. computed

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