B
Evidence Grade B
Graded
under review
Safe to Cite
Current
8.4%
8.4% -- conversion rate lift from 0 1s speed improvement for retail ecommerce (2026)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
8.4%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Google with Deloitte
Primary
Tier B
https://digitalstrategyforce.com/journal/can-your-website-look-premium-and-still-show-up-in-ai-searc… ↗
Source Article
Can Your Website Look Premium and Still Show Up in AI Search? | Digital Strategy Force
Can Your Website Look Premium and Still Show Up in AI Search?
The choice between a beautiful website and one that shows up in AI search is a false one. The same engineering that makes a site fast, structured, and readable is what makes it findable without sacrificing the beauty.
The Tradeoff You've …
Original Research
Google with Deloitte
· Original study ↗
Methodology
Google/Deloitte study on site speed and retail conversions
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
retail ecommerce: 8.4% conversion rate lift from 0 1s speed improvement. Source: Google with Deloitte (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/speed-conversion-lift-retail
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<blockquote cite="https://lighthousedata.io/data/speed-conversion-lift-retail" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>8.4%</strong> -- conversion rate lift from 0 1s speed improvement for retail ecommerce<br><small>Source: Google with Deloitte (2026) · <a href="https://lighthousedata.io/data/speed-conversion-lift-retail" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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