Why does my v0 or Bolt site look generic? (and how to fix it)

You didn't do anything wrong. Your site looks like everyone else's because it was built from the same parts, with the same defaults, by a model that picks the most likely answer. Here's how to stop it.

Updated 2026-10-25 · 5 min read · by the Unslop Me team

You type "a modern landing page for my app" into v0 or bolt.new, and you get something clean, responsive and… familiar. A dark or soft-gradient hero. A centered headline. Three cards with Lucide icons in tinted circles. A pill-shaped button. It looks fine. It also looks like the last twenty sites you scrolled past on a launch directory.

The short answer: shared defaults plus a vague prompt

v0 generates React with Tailwind CSS and shadcn/ui. Bolt generates a wider range of stacks but usually lands on Tailwind and Lucide too. Those are good tools, and they ship with defaults: Tailwind's indigo-500 and slate-900, shadcn's radius and card component, Lucide's 24px stroke-2 icons, and Inter as the font everything gets paired with.

A language model fills every gap you leave with the most common choice. If your prompt doesn't name a font, a palette, a radius and a layout, you get the defaults for all four. So does everyone else, and that's where the sameness comes from.

What our scans show

The public Slop Leaderboard (as of 2026-10-17) includes 11 Bolt showcase apps and 6 v0 apps. Scores run from 0 to 100, where 100 means it looks designed:

• Bolt: average 35, median 43. Two score 60+ and five are under 35.
• v0: average 52, median 56. Three score 60+ and two are under 35.
• "Inter / system-font only" is one of the top two tells for 7 of the 11 Bolt apps and 4 of the 6 v0 apps.
• Seven of these 17 apps have a purple/indigo gradient among their top two tells. All seven scored 50 or below, and six of them scored 23 or below.

Source: unslop-me.vercel.app/leaderboard, 2026-10-17. Each app shows its top two tells, and the samples are small, so treat these as patterns, not benchmarks.

The good news is in the same data. The best v0 site on the board scores 94, and the best Bolt site scores 66. Same tools, different decisions.

The tells that make v0 and Bolt sites look generic

These are the checks our scanner runs, with the maximum points each one costs:

1. Purple/indigo gradient, −20. The from-indigo-500 to-purple-600 hero. It's the heaviest deduction we make.
2. Generic AI copy, −16. Unlock, supercharge, seamless, elevate, empower, effortless, revolutionize, all-in-one, "in seconds".
3. Default Tailwind palette, −14. Three or more stock colours like slate-900, gray-50, indigo-600.
4. Inter / system-font only, −12. Over 90% of text in Inter, system-ui, Geist, Poppins, DM Sans, Manrope and friends.
5. Uniform icon-card grid, −12. Rows of 3, 4 or 6 identical icon + heading cards.
6. Emoji as icons, −12. Two or more emoji doing an icon's job.
7. Glassmorphism, −10. backdrop-blur on navbars and cards.
8. Builder badge, −10. "Made with Bolt" or "Built with v0" left on.
9. rounded-2xl everything, −8. Most boxes with a 12px+ radius.
10. Default Lucide icons, −8. Four or more stroke-2, 24px icons.
11. Mobile overflow, −8. Wider than a 390px phone.
12. Centered hero, −6. The h1 is centered.
13. Flat type scale, −6. The h1 is less than 2.6x the body size.

The full reasoning behind each one is in why AI-built apps all look the same.

The fix: make the decisions before the model does

You don't need a different builder. You need a prompt that leaves no gaps. Put this at the top of your next v0 or Bolt prompt, with your own values:

Design constraints (apply to every component):
- Fonts: "Fraunces" for headings, "Inter Tight" for body. No other fonts.
- Colours (CSS variables only, no stock Tailwind colour classes):
  --bg #F4F0E8, --surface #FFFFFF, --ink #16130F, --muted #6B6459, --accent #FF4D1C
- No gradients. No backdrop-blur. No emoji. Max 4 icons on the page.
- Border radius: 2px everywhere. 1.5px solid borders instead of shadows.
- Hero: left-aligned, two columns, product screenshot on the right.
  h1 at least 3.5x body size.
- Features: one lead feature with a screenshot, then a plain list. No card grid.
- Copy: no "unlock / seamless / supercharge / elevate / effortless".
  Say what it does and for whom.
- Remove any "Made with" / "Built with" badge.

v0-specific

Most of the default look comes from shadcn's theme variables. Change --radius, --primary and the font in one go, and every component follows. Our v0 design system prompts and shadcn restyle guide have the exact variables.

Bolt-specific

Bolt is more willing to regenerate whole files, so keep styling prompts narrow ("change only colours, do not touch layout or logic"), and check the published bolt.host URL on a phone afterwards. More in Bolt app design tips.

Measure it

Scan your site before you change anything, then again after the fonts and colours. Those two usually move the score most. The scanner shows the evidence for each tell, so you'll know exactly which ones are left.

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