B Evidence Grade B Graded under review Safe to Cite Dated

25%

25% -- customer loss rate for website (2023)

Name: Customer Loss Rate Statistics
Creator: Lighthouse Intelligence
Published: 2026-06-13

2023 · Edge45

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Attribution: Edge45 View source

Lighthouse Research Team

Last verified: 2026-06-13 · How we verify data →

Source verified Evidence graded

Value

25%

Unit

Percentage

Data Vintage

2023

Entity

website

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

60/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Edge45 Primary Tier A

https://edge45.co.uk/insights/how-site-speed-affects-your-business ↗

Confidence: 62/100 Vintage: 2023 Channel: Cc Extraction

Source Article

How Site Speed Affects Your Business (and what you can do about it) - Edge45®

How Site Speed Affects Your Business (and what you can do about it) Have you got the perfect website but people seem to leave before giving it a chance? Feel like you’re back on a dial up connection when using your backend? Does your mum always ring you up telling you she can’t load your website to …

Original Research

Edge45 · Original study ↗

Methodology

Estimated customer loss when site loads in 4 seconds.

Methodology documented

Segmentation

Channelcommon_crawl

Cite this stat

Plain Text

website: 25% customer loss rate. Source: Edge45 (2023). Via Lighthouse Intelligence -- https://lighthousedata.io/data/potential-customer-loss-4-seconds-2023

HTML Embed

<blockquote cite="https://lighthousedata.io/data/potential-customer-loss-4-seconds-2023" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>25%</strong> -- customer loss rate for website<br><small>Source: Edge45 (2023) · <a href="https://lighthousedata.io/data/potential-customer-loss-4-seconds-2023" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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