B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
70%
70% -- share saying speed influences purchases for consumers (2026)
70% of users state that website speed directly influences their purchasing decisions.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
70%
Unit
Percentage
Data Vintage
2026
Entity
Geography
Global
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
altersquare.io
Primary
Tier C
https://altersquare.io/blog/frontend-performance-optimization-not-one-time-task ↗
Source Article
Why Frontend Performance Optimization Is Not a One
Original Research
altersquare.io
· Original study ↗
Methodology
Secondary citation of survey research
Methodology documented
Segmentation
Industryecommerce
RegionGlobal
RoleAll marketers
Channelmulti-channel
Cite this stat
Plain Text
consumers: 70% share saying speed influences purchases. Source: altersquare.io (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/70-percent-speed-purchase-decisions
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<blockquote cite="https://lighthousedata.io/data/70-percent-speed-purchase-decisions" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>70%</strong> -- share saying speed influences purchases for consumers<br><small>Source: altersquare.io (2026) · <a href="https://lighthousedata.io/data/70-percent-speed-purchase-decisions" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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