B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
32%
32% -- bounce probability increase with page load time for mobile website visitors (2025)
The probability of a visitor leaving a mobile website increases by 32% when page load time increases from 1 to 3 seconds.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
32%
Unit
Percentage
Data Vintage
2025
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Google
Primary
Tier B
https://theaffordablewebguy.com/your-essential-small-business-website-maintenance-checklist/ ↗
Source Article
Your Essential Small Business Website Maintenance Checklist
So you’ve got a website up and running—that’s awesome! But here’s the thing: building a site is just the beginning. Nearly 24% of small businesses still don’t have websites (according to Digital.com), which means having one already puts you ahead of the game. But if you want your site to actually wo…
Original Research
Google
· Original study ↗
Methodology
Google research on mobile page load time and bounce probability (1s to 3s comparison)
Methodology documented
Segmentation
IndustryRetail
Company SizeSMB
RegionGlobal
RoleAll marketers
Channelmulti-channel
Cite this stat
Plain Text
mobile website visitors: 32% bounce probability increase with page load time. Source: Google (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mobile-bounce-increase-load-time-google
HTML Embed
<blockquote cite="https://lighthousedata.io/data/mobile-bounce-increase-load-time-google" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>32%</strong> -- bounce probability increase with page load time for mobile website visitors<br><small>Source: Google (2025) · <a href="https://lighthousedata.io/data/mobile-bounce-increase-load-time-google" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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