B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
8%
8% -- total sales increase for Vodafone (ecommerce site) (2021)
A 31% improvement in LCP for Vodafone led to an 8% increase in total sales according to a web.dev case study.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
8%
Unit
Percentage
Data Vintage
2021
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
60
Freshness
95
Source
Google (web.dev)
Primary
Tier B
https://digitalstrategyforce.com/journal/advanced-performance-auditing-core-web-vitals-beyond-the-ba… ↗
Source Article
Advanced Performance Auditing: Core Web Vitals Beyond the Basics | Digital Strategy Force
Advanced Performance Auditing: Core Web Vitals Beyond the Basics
Lab Lighthouse scores diverge from field Core Web Vitals data by 40 to 60 percent — meaning a green score in the audit dashboard often masks systemic ranking damage in production. Most performance audits treat CWV as one metric instead…
Original Research
Google (web.dev)
· Original study ↗
Methodology
web.dev case study (published 2021; year not stated in citing article): a 31% LCP improvement (8.3s to 5.7s) was associated with an 8% increase in total sales
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Vodafone (ecommerce site): 8% total sales increase. Source: Google (web.dev) (2021). Via Lighthouse Intelligence -- https://lighthousedata.io/data/vodafone-lcp-improvement-sales-increase
HTML Embed
<blockquote cite="https://lighthousedata.io/data/vodafone-lcp-improvement-sales-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>8%</strong> -- total sales increase for Vodafone (ecommerce site)<br><small>Source: Google (web.dev) (2021) · <a href="https://lighthousedata.io/data/vodafone-lcp-improvement-sales-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.