The marketing website is the most-visited surface of a B2B SaaS, yet its tech stack is often chosen by accident: a template inherited from a founder, a CMS a freelancer knew, or a framework picked because it was trendy. That choice quietly caps your growth. It decides how fast you ship a landing page, how well you rank in each market, and how much a redesign will cost in two years. This guide compares the four realistic families of stacks and gives you a decision framework tuned to your stage rather than to hype.
The four stack families, and when each wins
- Traditional CMS (WordPress): fastest to staff and cheapest to start, huge plugin ecosystem. Wins for teams under 20 that publish a lot and have no front-end engineers. Watch out for plugin bloat killing Core Web Vitals.
- No-code visual builder (Webflow): designers ship pixel-perfect pages without developers, clean semantic output. Wins for brand and marketing teams that want autonomy and speed. Limits appear with complex localization and heavy integrations.
- Headless CMS + Jamstack (Contentful/Sanity + Astro/Next): content team and engineers work in parallel, excellent performance, content is portable by design. Wins when you localize into many markets and care about Core Web Vitals.
- Custom Next.js on the edge: full control of routing, personalization and experiments, ideal for product-led sites that blur marketing and app. Wins at scale but demands real engineering ownership and a design system.
INSIGHT
The decisive question is not "which stack is best?" but "who owns publishing?" If marketing must wait on engineering to ship a page, you have already chosen wrong for an early-stage team. If engineering must fight the CMS to build an interactive experience, you have chosen wrong for a scaling one.
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Get a stack recommendationA decision framework by growth stage
- Pre-seed to seed (0–15 people): optimize for time-to-market. Pick Webflow or a lean WordPress. Do not build custom until content velocity is proven.
- Series A (15–60 people): you now localize and run experiments. Move content to a headless CMS and render with Astro or Next so the front end becomes replaceable.
- Series B and beyond: marketing and product converge. A custom Next.js on the edge with a shared design system pays off through personalization and speed.
- At every stage: verify server-rendered HTML, a fast edge CDN close to your APAC audience, clean hreflang and a content model you could export tomorrow.
DATA
Google confirms Core Web Vitals as a ranking signal, and field data repeatedly ties faster Largest Contentful Paint to higher conversion. A 100-plugin WordPress that takes 4 seconds to render will lose organic ground to a Jamstack competitor rendering in under 1.5 seconds, regardless of content quality.
Whatever you pick, treat the front end as disposable and the content as permanent. Model your content in a system with a clean API, keep URLs and hreflang stable, and document the migration path before you need it. Do that, and changing your stack becomes a planned upgrade instead of a traffic-losing emergency, the difference between a website that scales with you and one you outgrow.
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