---
title: "Headless Commerce Speed 2026: Pass Rate Falls to 19.0% - PageSpeed Matters"
url: https://www.pagespeedmatters.com/resources/data-studies/headless-commerce-speed
description: "249 stores that moved from WooCommerce, Magento or Shopify to a Next.js front end went from a 34.7% Core Web Vitals pass rate to 19.0%."
lang: en
---

Headless Commerce Speed 2026: Pass Rate Falls to 19.0% (https://www.pagespeedmatters.com/resources/data-studies/headless-commerce-speed)

249 stores that moved from WooCommerce, Magento or Shopify to a Next.js front end went from a 34.7% Core Web Vitals pass rate to 19.0%.

Headless commerce moves: share of months with a good score, before vs after

CWV pass before 31.6%

CWV pass after 18.1%

Good INP before 67.3%

Good INP after 40.3%

Good CLS before 70.8%

Good CLS after 52%

Good LCP before 48.1%

Good LCP after 56.6%

Source: PageSpeed Matters. HTTP Archive top 1M crawls and CrUX, Sept 2024 to Sept 2026; 306 stores.

Wider 306-store group, including Salesforce Commerce Cloud and Nuxt moves.

Source: Headless Commerce Speed 2026: Pass Rate Falls to 19.0% - PageSpeed Matters (https://www.pagespeedmatters.com/resources/data-studies/headless-commerce-speed)