B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
10%
10% -- positive experiment rate for Google and Bing (2026)
Only 10-20% of experiments conducted at Google and Bing produce positive results.
- Reported as a range of 10-20% in the source
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
10%
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Microsoft and Harvard
Primary
Tier A
https://kirro.io/how-to-increase-conversion-rate ↗
Source Article
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Original Research
Microsoft and Harvard
· Original study ↗
Methodology
Microsoft/Harvard research; range 10-20%, midpoint used
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google and Bing: 10% positive experiment rate. Source: Microsoft and Harvard (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/experiments-positive-google-bing
HTML Embed
<blockquote cite="https://lighthousedata.io/data/experiments-positive-google-bing" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>10%</strong> -- positive experiment rate for Google and Bing<br><small>Source: Microsoft and Harvard (2026) · <a href="https://lighthousedata.io/data/experiments-positive-google-bing" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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