32%
32% -- bounce probability increase for Website visitors (as page load time goes from one second to three seconds) (2026)
Google's research shows that bounce probability increases by 32% when page load time increases from one second to three seconds.
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Cited in article as Google's research: bounce probability jumps 32% when load time goes from one second to three seconds. Original study not named or dated in the article; corresponds to well-known Google mobile page speed research. Data vintage defaults to collection year per instructions.
<blockquote cite="https://lighthousedata.io/data/bounce-probability-increase-1s-to-3s-load-time" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>32%</strong> -- bounce probability increase for Website visitors (as page load time goes from one second to three seconds)<br><small>Source: Google (2026) · <a href="https://lighthousedata.io/data/bounce-probability-increase-1s-to-3s-load-time" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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