B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
7%
7% -- traffic loss per second of load delay for website visitors (2025)
For every additional second a web page takes to load, approximately 7% of website traffic is lost.
- Cites unspecified studies
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
7%
Unit
Percentage
Data Vintage
2025
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
sokada.co.uk
Primary
Tier C
https://www.sokada.co.uk/blog/sokada-cdn-packages-why-you-should-use-a-cdn/ ↗
Source Article
Sokada CDN Packages - Why You Should Use a CDN - Sokada
We are now pleased to offer our clients a CDN package to improve the performance of your website. This package is particularly helpful if either your website has a lot of images, or you have visitors to your website from all around the world.
If you’ve not heard of a CDN before, you probably have a …
Original Research
sokada.co.uk
· Original study ↗
Methodology
Cited as 'studies have shown'; original study not named
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
website visitors: 7% traffic loss per second of load delay. Source: sokada.co.uk (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/traffic-loss-per-second-load-delay
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<blockquote cite="https://lighthousedata.io/data/traffic-loss-per-second-load-delay" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>7%</strong> -- traffic loss per second of load delay for website visitors<br><small>Source: sokada.co.uk (2025) · <a href="https://lighthousedata.io/data/traffic-loss-per-second-load-delay" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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