B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
50%
50% -- visitor loss rate for sites loading over three seconds for websites loading in over three seconds (2025)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
50%
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
topbrandingaltimeter.com
Primary
Tier C
https://topbrandingaltimeter.com/blog/cleaning-company-website-design/ ↗
Source Article
7 Powerful Cleaning Company Website Design Ideas
- Cleaning Company Website Design Guide (Examples + Features)
- Cleaning Company Website Design Guide (Examples + Features)
- 1: Why Every Cleaning Business Needs a Professional Website
- Ready to Grow Your Business?
- 2: What Makes a High-Converting Cleaning Website
- Is Your Cleaning Site Missing …
Original Research
topbrandingaltimeter.com
· Original study ↗
Methodology
Blog cites statistic without named original study
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
websites loading in over three seconds: 50% visitor loss rate for sites loading over three seconds. Source: topbrandingaltimeter.com (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/slow-sites-lose-visitors
HTML Embed
<blockquote cite="https://lighthousedata.io/data/slow-sites-lose-visitors" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- visitor loss rate for sites loading over three seconds for websites loading in over three seconds<br><small>Source: topbrandingaltimeter.com (2025) · <a href="https://lighthousedata.io/data/slow-sites-lose-visitors" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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