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What is knallhart.dev - Brutally honest feedback?
Knallhart.dev gives your website a brutal honest review — no fluff, no diplomatic padding. Submit a URL, pay €10, and within minutes you get an email with 3 specific critiques plus actionable fixes. Our AI takes a full-page screenshot, analyzes it, and delivers feedback that actually stings. What you get: - 3 specific issues (UX, design, or structure) - Each with a concrete, actionable fix - Delivered via email in minutes - No subscription, no dashboard
