Why page speed still wins you more leads than any redesign

Most redesign conversations start with color palettes and hero copy. They should start with a stopwatch.

The math is brutal

Every extra second of load time compounds against you across every channel you're already paying for — paid search, SEO rankings, email click-throughs. A visitor who bounces before your page finishes loading never sees your value proposition, no matter how good it is.

Google's own research has repeatedly shown bounce probability climbing sharply as load time crosses the 2-3 second mark on mobile. If your site takes 5+ seconds to become interactive, you're likely losing more than half of your paid traffic before it ever converts.

Where speed actually comes from

Speed isn't a single lever — it's the sum of a hundred small decisions:

• Rendering strategy. Static generation and edge caching beat client-side rendering for anything that doesn't need to be personalized per visitor.
• Image discipline. Modern formats (AVIF/WebP), correct sizing, and lazy-loading below the fold.
• JavaScript budget. Every third-party script you add is a tax on every visitor, forever.
• Font loading. Self-hosted, subsetted fonts with proper font-display settings avoid layout shift and blocking renders.

Where to start

If you only have a week, start with your Largest Contentful Paint (LCP) — usually your hero image or headline. Get that rendering in under 2.5 seconds and you've fixed the single biggest lever tied to both conversion and Google's ranking signals.

Speed isn't a nice-to-have polish item at the end of a project. It's a growth channel you're either investing in or leaking money through.