The silent leak
A slow page isn't a bug report — it's a closed tab.
Visitors who bounce because of load time never tell you why. They show up in your analytics as a visit, not a lead — and most businesses never connect the two.
Largest Contentful Paint (LCP) measures how long it takes for the main content of a page to become visible. It's the metric that most closely matches what a visitor actually experiences as "the page loading."
Google/SOASTA Research's 2017 study, "The State of Online Retail Performance," measured exactly how load time relates to bounce probability. The relationship isn't linear — it accelerates.
Load time vs bounce probability
The reference point — fastest experience, lowest bounce risk.
Still common for well-optimised sites, but the gap is already showing.
Most untouched SME websites land somewhere in this range.
Visitors are now more likely to leave than to stay.
More than double the bounce probability of a 1-second load.
Bounce probability increase relative to a 1-second load time. Source: Google/SOASTA Research, "The State of Online Retail Performance" (2017).
Why this matters more than it looks like it should
Most business owners assume speed is a technical nice-to-have — something for the developer to optimise "when there's time." But every other part of your lead pipeline depends on visitors actually staying on the page long enough to see your offer. A great headline, a strong CTA, and a clear value proposition do nothing if the visitor is gone before any of it renders.
The good news: speed is one of the more fixable problems on a website. Image optimisation, proper caching, and right-sized hosting fix most of it — and unlike copywriting or design, the improvement is directly measurable.
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