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5 Mistakes That Kill Landing Page Conversions

The five most common landing page mistakes developers make — and how to fix each one. Based on real patterns we see in client projects.

Why developer-built landing pages underperform

Developers build landing pages differently than marketers. We focus on clean code, fast load times, and responsive layouts — all important. But we often miss the fundamentals that actually drive conversions: clear messaging, visual hierarchy, and strategic placement of calls to action.

These five mistakes are the ones we see most often. Fix them and your conversion rate will improve — sometimes dramatically.

Mistake 1: Your headline is about you, not the visitor

Bad: 'We built an innovative AI-powered platform.' Good: 'Ship code 10x faster with AI pair programming.' The first headline talks about what you built. The second talks about what the visitor gets.

Your headline should answer one question: 'What's in it for me?' Nobody cares that your platform is innovative. They care that it saves them time, makes them money, or solves a problem they have right now.

Mistake 2: Too many CTAs competing for attention

If everything is a call to action, nothing is. We've seen landing pages with 'Start Free Trial,' 'Book a Demo,' 'Watch Video,' 'Download PDF,' and 'Join Newsletter' all above the fold. The visitor's brain short-circuits and they do nothing.

Pick one primary action. Make it obvious. Give it a contrasting color. Repeat it at the top and bottom of the page. Every other action should be visually secondary — a text link, not a competing button.

Mistake 3: No social proof

You might think testimonials are cheesy. Your visitors don't. Social proof is one of the strongest psychological drivers of action. Even simple signals — 'Used by 500+ teams,' a row of client logos, or two short quotes from real users — measurably increase conversion rates.

If you don't have users yet, use other credibility signals: 'Built by engineers from Google and Stripe,' 'Open source with 2K GitHub stars,' or 'Featured in Y Combinator W26.' Something that says 'this is real and other people trust it.'

Mistake 4: Hiding the price

Unless you're selling enterprise software with genuinely custom pricing, show the price. Hiding pricing behind a 'Contact Sales' button feels like a trap. Developers especially will bounce immediately.

Transparent pricing builds trust. Even if you have a 'Contact us for custom' enterprise tier, showing your standard pricing gives visitors an anchor. They can self-qualify: 'This is in my budget' or 'I need to talk to the team about this.' Both outcomes are better than 'I'll check another option that shows the price.'

Mistake 5: The page doesn't load fast enough

A landing page that takes 4 seconds to load loses 25% of visitors before they see anything. Large hero images, unoptimized fonts, third-party scripts, and heavy JavaScript frameworks are the usual culprits.

Next.js gives you static rendering by default, which solves most performance issues. Use next/image for images, next/font for fonts, and keep third-party scripts to a minimum. Your landing page should load in under 2 seconds on a 3G connection. Test it with Lighthouse.

Fix these first

You don't need a fancy A/B testing tool or a growth team to improve your landing page. Fix these five basics and you'll outperform most competitor pages. Clear headline, single CTA, social proof, transparent pricing, fast load times.

Our free Startup Landing template is designed with all of these principles built in. Download it, swap in your content, and you're ahead of 90% of developer-built landing pages. And if you want a landing page custom-built for your specific audience, that's what we do — start a project with us.


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