Design systems for marketing sites: when they pay off
A design system is overkill for a five-page site. At fifty pages, it's the only sane option.
Design systems are sold as universally beneficial. For marketing sites, the ROI kicks in around the third major campaign — earlier than people expect, but later than vendors promise. The question isn't whether to build one, it's when, and what's the minimum that pays back.
The threshold
Once you're shipping more than two campaign pages a month, the per-page cost of one-offs eclipses the upfront cost of a system. Below that, a Figma file with five components is enough. Past it, lack of a system slows every release.
The minimum viable system — eight components
- Button — three variants (primary, secondary, ghost) and two sizes.
- Input — with label, hint, error and disabled states.
- Hero section — image-left, image-right and centred variants.
- Feature grid — 2, 3 and 4 column layouts.
- Testimonial — with logo, quote, attribution and rating.
- CTA band — full-width section with headline, supporting copy and button.
- FAQ — accordion with structured-data hooks built in.
- Footer — with nav columns, legal links and locale switcher.
Governance
One owner. Weekly office hours. A clear rule for what gets added: only patterns used on 3+ pages get promoted to the system. Anything used once stays in the page-specific layer.
Tooling
Storybook for documentation, Chromatic for visual regression, a small token pipeline from Figma to code. Avoid heavyweight design system platforms until you're past 30 components.