The State of Web Vitals

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
40,352
Sites in sample
Combined across all items
110ms
Best INP (p75)
OpenCart
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Provider INP p75 Passing Sites
1 OpenCart 110ms 96.0%
231
2 WooCommerce 120ms 97.0%
12,465
3 Shopware 122ms 94.3%
5,512
4 PrestaShop 129ms 93.4%
1,216
5 PayPal 129ms 93.9%
2,302
6 BigCommerce 131ms 97.5%
124
7 Shopify 138ms 93.4%
7,954
8 Shop Pay 138ms 93.5%
7,911
9 Stripe 159ms 84.6%
1,842
10 Klarna 161ms 91.2%
490
11 Afterpay/Affirm 163ms 86.0%
80
12 Ecwid 172ms 89.2%
225
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
Snipcart 0% 23 100% 92ms
Volusion 0% 17 100% 122ms
BigCommerce 0.1% 124 98% 131ms
WooCommerce 6.6% 12,465 97% 120ms
OpenCart 0.1% 231 96% 110ms
Shopware 2.9% 5,512 94% 122ms
PayPal 1.2% 2,302 94% 129ms
Shop Pay 4.2% 7,911 94% 138ms
Shopify 4.2% 7,954 93% 138ms
PrestaShop 0.6% 1,216 93% 129ms
Klarna 0.3% 490 91% 161ms
Ecwid 0.1% 225 89% 172ms
Afterpay/Affirm 0% 80 86% 163ms
Stripe 1% 1,842 85% 159ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

98% of BigCommerce sites pass INP. Stripe trails 13 points behind. 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
WooCommerce 6.6%
593.1s
97120ms
900.02
462.7s
202.3s
Shopify 4.2%
931.8s
93138ms
930.02
931.2s
94539ms
Shop Pay 4.2%
931.7s
94138ms
930.02
931.2s
94537ms
Shopware 2.9%
881.9s
94122ms
920.01
831.6s
611.0s
PayPal 1.2%
842.2s
94129ms
860.03
781.7s
551.2s
Stripe 1%
682.8s
85159ms
780.08
592.2s
551.3s
PrestaShop 0.6%
822.3s
93129ms
870.06
682.0s
321.4s
Klarna 0.3%
862.1s
91161ms
850.05
831.6s
71891ms
OpenCart 0.1%
862.0s
96110ms
860.09
771.7s
521.2s
Ecwid 0.1%
632.9s
89172ms
680.17
741.9s
461.4s
BigCommerce 0.1%
892.2s
98131ms
670.17
841.6s
86696ms
Afterpay/Affirm 0%
722.6s
86163ms
750.10
751.7s
76733ms
Snipcart 0%
1001.2s
10092ms
1000.00
90924ms
89764ms
Volusion 0%
862.1s
100122ms
710.14
711.6s
83707ms
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.

BigCommerce leads on INP: 98% of its sites pass. Stripe trails at 85%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · phone 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