This article covers 7 common Webflow mistakes that hurt website performance: 1) Unoptimized images that slow everything down, 2) Desktop-first design that breaks mobile UX, 3) Overcomplicated navigation, 4) Long forms that kill conversions, 5) Weak call-to-actions (CTAs), 6) Weak SEO structure behind beautiful design, and 7) No conversion tracking or analytics setup. Each mistake includes actionable fixes to improve speed, user experience, and conversions.