Shopify Core Web Vitals benchmarks for 2026: theme-level CrUX context, a 64-store multi-page lab sample from Watcher Shopify leads, and a famous DTC cohort you can re-measure.
Fashion Core Web Vitals benchmarks for 2026: a 53-store multi-page lab sample from Watcher fashion and apparel leads, CrUX origin context, and a fix order for image-heavy clothing storefronts.
Magento Core Web Vitals benchmarks for 2026: public CrUX context, a 76-store multi-page lab sample from Watcher's verified Magento users, and Attention-Free Score triage stats.
Slow sites do not only frustrate users: they show up in bounce rates, conversion curves, and operational spend. Here is what published research says about the cost of poor web performance, and how to turn numbers into a monitoring plan.
