B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
8%
8% -- conversion rate lift per 100ms load improvement for Website conversion rates (per 0.1-second load-time improvement) (2020)
Improving website load time by 0.1 second can increase conversion rates by 8%.
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
8%
Unit
Percentage
Data Vintage
2020
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
45
Freshness
95
Source
Google & Deloitte
Primary
Tier C
https://www.azion.com/en/success-case/pernambucanas/pernambucanas-relies-on-azion-to-speed-up-its-e-… ↗
Source Article
Pernambucanas Speeds E-commerce & CX with Azion | Azion
Challenge
Pernambucanas’s e-commerce revenue increased 1.081% YoY in 2020. This was the result of its digital transformation plan, which encompassed the build of innovative products and services, as well as optimizing the performance and availability of its web and mobile e-commerce.
Many factors im…
Original Research
Google & Deloitte
· Original study ↗
Methodology
Cited in Azion case study as reference [2] (Google & Deloitte 'Milliseconds Make Millions'). Publication year not stated in article; study was released in 2020.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Website conversion rates (per 0.1-second load-time improvement): 8% conversion rate lift per 100ms load improvement. Source: Google & Deloitte (2020). Via Lighthouse Intelligence -- https://lighthousedata.io/data/conversion-lift-100ms-load-time-google-deloitte
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<blockquote cite="https://lighthousedata.io/data/conversion-lift-100ms-load-time-google-deloitte" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>8%</strong> -- conversion rate lift per 100ms load improvement for Website conversion rates (per 0.1-second load-time improvement)<br><small>Source: Google & Deloitte (2020) · <a href="https://lighthousedata.io/data/conversion-lift-100ms-load-time-google-deloitte" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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