B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
5.9%
5.9% -- conversion lift per second load reduction for eCommerce sites (Yottaa Conversion Insights) (2026)
A one-second reduction in page load time delivers a 5.9% conversion lift according to Yottaa's Conversion Insights.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
5.9%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Yottaa
Primary
Tier A
https://www.yottaa.com/conversion-rate-and-site-speed/ ↗
Source Article
Yottaa | Yottaa
A good eCommerce conversion rate in 2026 is about 2.5% to 3% blended, but that average is a trap. Your real target is your industry’s: apparel runs 2–3%, beauty 3–4%, food and beverage 4–6%, luxury under 1.2%. And site speed is one of the most controllable levers you can pull to make sure your conve…
Original Research
Yottaa
· Original study ↗
Methodology
Yottaa Conversion Insights comparing optimized vs unoptimized sessions across live traffic; accompanied by 8.9% bounce rate drop
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
eCommerce sites (Yottaa Conversion Insights): 5.9% conversion lift per second load reduction. Source: Yottaa (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/yottaa-one-second-conversion-lift
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<blockquote cite="https://lighthousedata.io/data/yottaa-one-second-conversion-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>5.9%</strong> -- conversion lift per second load reduction for eCommerce sites (Yottaa Conversion Insights)<br><small>Source: Yottaa (2026) · <a href="https://lighthousedata.io/data/yottaa-one-second-conversion-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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