B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
63%
63% -- bounce rate for ecommerce sites (2026)
63% of visitors bounce from ecommerce pages that take 4 or more seconds to load.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
63%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
500,000,000
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (2)
Yottaa
Primary
Tier A
https://foundrycro.com/blog/page-speed-conversions-ad-costs-ai-visibility/ ↗
Source Article
Page Speed: Conversions, Ad Costs & AI SEO + Free Calculator | Foundry CRO
The short version:
- Pages loading in 1 second convert at 3x the rate of pages loading in 5 seconds, based on Portent's analysis of 27,000 landing pages.
- Conversion rate drops approximately 4.42% with each additional second of load time in the first five seconds.
- A 0.1-second improvement can pro…
Also cited by
Original Research
Yottaa
· Original study ↗
Methodology
Yottaa study of 500 million visits across 1,300 ecommerce sites
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ecommerce sites: 63% bounce rate. Source: Yottaa (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/yottaa-bounce-4s-ecommerce
HTML Embed
<blockquote cite="https://lighthousedata.io/data/yottaa-bounce-4s-ecommerce" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>63%</strong> -- bounce rate for ecommerce sites<br><small>Source: Yottaa (2026) · <a href="https://lighthousedata.io/data/yottaa-bounce-4s-ecommerce" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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