B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
53%
53% -- mobile users abandoning sites loading over 3 seconds for mobile website users (2026)
53% of mobile users will leave a website if it takes longer than three seconds to load.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
53%
Unit
Percentage
Data Vintage
2026
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
alpha.page
Primary
Tier C
https://www.alpha.page/blog/how-to-build-professional-website ↗
Source Article
{{esHSU2YG3}} - Alpha
Original Research
alpha.page
· Original study ↗
Methodology
Cited statistic, original source not named
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
mobile website users: 53% mobile users abandoning sites loading over 3 seconds. Source: alpha.page (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mobile-users-abandon-slow-sites-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/mobile-users-abandon-slow-sites-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>53%</strong> -- mobile users abandoning sites loading over 3 seconds for mobile website users<br><small>Source: alpha.page (2026) · <a href="https://lighthousedata.io/data/mobile-users-abandon-slow-sites-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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