B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
15%
15% -- bounce rate increase for Pages With Layout Shift (2026)
Pages with visible layout shift see a 15% bounce rate increase.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
15%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
30
Freshness
95
Source
Eevy AI
Primary
Tier C
https://eevy.ai/problems/review-section-causing-layout-shift ↗
Source Article
Fix Review Section Layout Shift on Shopify
Your Review Widget Is Causing Layout Shift
When your product pages load, the review section pops in late and pushes content around. This Cumulative Layout Shift hurts your Core Web Vitals scores, SEO rankings, and user experience.
The Problem
Cumulative Layout Shift (CLS) is one of Google's three Co…
Original Research
Eevy AI
· Original study ↗
Segmentation
Industrymarketing
Cite this stat
Plain Text
Pages With Layout Shift: 15% bounce rate increase. Source: Eevy AI (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/eevy-ai-bounce-increase
HTML Embed
<blockquote cite="https://lighthousedata.io/data/eevy-ai-bounce-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>15%</strong> -- bounce rate increase for Pages With Layout Shift<br><small>Source: Eevy AI (2026) · <a href="https://lighthousedata.io/data/eevy-ai-bounce-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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