Try:
news.ycombinator.com
aura.build
lovable.dev
stripe.com
engagemii.com/aeo
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How it works: Headless Chromium loads the page, collects up to 4,000 visible DOM nodes,
runs 16 pure-function pattern detectors in one round-trip, returns a weighted score.
Tiers: Clean 0–11 ·
Mild 12–29 ·
Heavy 30+.
Slop is a fingerprint, not a verdict. Linear and Stripe also use Inter — that's why they score Mild.
Read the 16 rules ↓
The 16 rules
Slop fonts — Inter / Geist / Space Grotesk / Instrument Serif italic accent (weight 8) VibeCode Purple — Indigo-violet on filled CTAs (8) Gradient text — Hero H1 with background-clip:text (6) Gradient backgrounds — ≥5 elements with CSS gradients (4) Accent stripe — Cards with thick colored top/left border (6) Glassmorphism — backdrop-filter blur on translucent layers (4) Colored glows — Big colored box-shadows (4) Centered hero — Centered + big + slop font (4) Eyebrow pill — "Now in beta" / "New" above H1 (5) All-caps labels — Uppercase section labels with letter-spacing (3) Perma dark mode — Dark BG + mid-grey body text (4) Icon-card grid — 3+ identical cards with icon on top (4) Numbered steps — 1·2·3 sequence headings (3) Stat banner — "10k+", "99.9%" cluster (3) FAQ accordion — <details> in lower half (2) Letter avatars — Gradient-initial testimonial avatars (5) ← Meng's