C
Evidence Grade C
Graded
accuracy verified by the review judge
Use with Hedging
Current
2%
2% -- conversion rate increase per second load improvement for Walmart (2026)
Walmart reported a 2% increase in conversions for every 1-second improvement in page load time.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
2%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (2)
Walmart
Primary
Tier C
https://owlsdigital.com/why-is-website-speed-important/ ↗
Source Article
Why Is Website Speed Important? The Key to Business Success - Owls Digital Agency
Last updated: September 2, 2026
In today’s fast-paced digital world, website speed is no longer just a technical metric—it’s a critical factor that can make or break your online presence. Whether you’re running an e-commerce store, a blog, or a corporate website, how quickly your site loads can have…
Also cited by
Chapters (chapters-eg.com)
https://chapters-eg.com/blog/web-app-development/website-speed-revenue/
2026-09-28
Original Research
Walmart
· Original study ↗
Methodology
Walmart-reported figure on page speed and ecommerce conversions, as cited by Owls Digital blog; original study date not stated in article
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
Walmart: 2% conversion rate increase per second load improvement. Source: Walmart (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/walmart-page-load-conversion-increase
HTML Embed
<blockquote cite="https://lighthousedata.io/data/walmart-page-load-conversion-increase" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>2%</strong> -- conversion rate increase per second load improvement for Walmart<br><small>Source: Walmart (2026) · <a href="https://lighthousedata.io/data/walmart-page-load-conversion-increase" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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