Page Speed Conversion Correlation: Key Statistics for 2026
Page speed directly impacts both search rankings and conversion rates. These statistics quantify the business cost of slow sites and the returns from speed optimization.
Key Statistics
A 1-second improvement in page load time increases conversions by 7% on average
Source: Portent (2025)
Audit your marketing freePages loading in 1 second convert 3x more than pages loading in 5 seconds
Source: Portent (2025)
Audit your marketing free53% of mobile visitors abandon sites that take longer than 3 seconds to load
Source: Google (2025)
Audit your marketing freeEvery 100ms of latency costs Amazon 1% in revenue, equating to billions annually
Source: Amazon (2025)
Audit your marketing freeThe median mobile page load time is 3.6 seconds, well above the recommended 2.5 second target
Source: HTTP Archive (2026)
Audit your marketing freeSites passing all Core Web Vitals see 24% fewer page abandonment across user sessions
Source: Google (2025)
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Key Takeaway
The relationship between speed and conversion is steep and well-documented. Most sites still load far slower than the evidence-based optimum, making speed optimization one of the highest-ROI improvements available.
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