B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
$100,000,000
$100,000,000 -- annual revenue impact for Bing (2026)
A single headline change on Bing generated $100 million in annual revenue according to Ron Kohavi and Stefan Thomke.
- Result was from a standard A/B test, not multivariate testing (MVT)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
$100,000,000
Unit
Currency Usd
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Ron Kohavi / Stefan Thomke
Primary
Tier B
https://kirro.io/multivariate-testing-software ↗
Source Article
Best Multivariate Testing Tools 2026 | Kirro
Quick comparison: the best multivariate testing software
Looking for A/B testing software that also handles multivariate testing (testing multiple page elements at the same time)? Not every tool does MVT the same way. The differences matter more than most comparison posts admit. Not sure if you even…
Original Research
Ron Kohavi / Stefan Thomke
· Original study ↗
Methodology
Attributed to Ron Kohavi (Microsoft) and Stefan Thomke (Harvard Business School)
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Bing: $100,000,000 annual revenue impact. Source: Ron Kohavi / Stefan Thomke (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/bing-headline-test-100m-revenue
HTML Embed
<blockquote cite="https://lighthousedata.io/data/bing-headline-test-100m-revenue" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>$100,000,000</strong> -- annual revenue impact for Bing<br><small>Source: Ron Kohavi / Stefan Thomke (2026) · <a href="https://lighthousedata.io/data/bing-headline-test-100m-revenue" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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