How Much Does Page Speed Actually Cost You? (2026 Data)
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Benchmark Report
How Much Does Page Speed Actually Cost You? (2026 Data)
Key takeaway
A 100-millisecond delay in load time can reduce conversions by up to 7%.
Page speed isn't a technical nice-to-have — it's a direct revenue lever, and the 2026 data on this is unambiguous.
Pages that load in 1 second convert at close to 40% on average; that drops to 34% at 2 seconds, and levels off around 29% at 3 seconds.
For eCommerce specifically, 1-second load times see conversion rates around 3.05%, compared to 1.08% for sites taking five seconds.
Every 100ms of load time costs roughly 1% in conversions — Akamai's research found a 100ms delay alone can cut conversions by up to 7%.
The average desktop page loads in 2.5 seconds in 2026; the average mobile page takes 8.6 seconds — a gap most businesses don't realize exists until it's measured.
Mobile pages loading under 2.5 seconds convert roughly twice as well as those over 4 seconds.
None of this requires guesswork — it requires measuring your own site against these numbers, which is exactly what a website audit does.
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