B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
8.4%
8.4% -- conversion rate lift from 0 1s speed improvement for retail sites (Deloitte study) (2023)
A 0.1-second improvement in site speed resulted in an 8.4% lift in retail conversions according to a Deloitte study.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
8.4%
Unit
Percentage
Data Vintage
2023
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
Deloitte
Primary
Tier B
https://www.seozilla.ai/next-js-for-seo-optimize-web-development-for-rankings ↗
Source Article
Next.js for SEO: Optimizing Your Web Development Process for Better Search Rankings
Next.js for SEO: Optimizing Your Web Development Process for Better Search Rankings
TLDR; Next.js has become a strong SEO advantage because it solves many hidden technical issues that hold rankings back, even when content quality is high. The article explains how different rendering options, the App…
Original Research
Deloitte
· Original study ↗
Methodology
Deloitte research on site speed improvements and retail conversion lift, cited in article
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
retail sites (Deloitte study): 8.4% conversion rate lift from 0 1s speed improvement. Source: Deloitte (2023). Via Lighthouse Intelligence -- https://lighthousedata.io/data/deloitte-0-1s-speed-conversion-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/deloitte-0-1s-speed-conversion-lift" 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 sites (Deloitte study)<br><small>Source: Deloitte (2023) · <a href="https://lighthousedata.io/data/deloitte-0-1s-speed-conversion-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.