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Web Development· 5 min read

Why your website speed is costing you customers

By Mandi Manaloto · 2 July 2026

Website performance metrics on a cyan gradient

Your website has about three seconds to make an impression. Miss that window and a large share of visitors leave before they ever see what you offer — no matter how good your product or design is.

The real cost of slow

Speed isn't just a technical metric; it's a business one. Google uses Core Web Vitals as a ranking factor, and shoppers abandon slow pages long before they convert.

  • A 1-second delay can cut conversions by up to 7%
  • Over half of mobile visitors leave pages that take more than 3 seconds
  • Faster sites rank higher and cost less to advertise on

Where the milliseconds hide

Most slowdowns come from a handful of usual suspects: oversized images, render-blocking scripts, bloated third-party tags, and servers that respond slowly. Individually they seem minor; together they add seconds.

How we build for speed

We treat performance as a feature, not an afterthought — modern frameworks, optimised images (AVIF/WebP), code-splitting and lazy-loading, all measured against real Core Web Vitals. The result is sites that feel instant and convert better.

If your site takes more than a couple of seconds to load, it's quietly costing you customers every day. The good news: it's fixable.

Written by

Mandi Manaloto

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