See which Shopify apps and scripts slow your store. LoadLess: Speed Optimize ranks script impact by app, tracks real-user Core Web Vitals (LCP, INP, CLS), estimates revenue at risk from slow pages, and delivers a theme health report with clear fixes. Defer, delay, or lazy-load chat, reviews, and marketing pixels with merchant-approved rules or one-click safe presets—no uninstalling required. Run full theme scans, compare before/after baselines, and ship a faster storefront that converts better.

• Rank which apps and scripts slow your store, with real impact scores
• Track real-user Core Web Vitals: LCP, INP, and CLS from your storefront
• Defer, delay, or lazy-load chat, reviews, and pixels without uninstalling
• One-click safe optimization presets you approve before they go live
• Theme health report with actionable checks and a clear performance score