B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
9%
9% -- traditional search usage drop for Traditional search users with ChatGPT access (2026-07)
ChatGPT access is tied to a 9% drop in traditional search.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
9%
Unit
Percentage
Data Vintage
2026-07
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
Bocconi University
Primary
Tier A
https://betteraisearch.com/ ↗
Source Article
BetterAISearch
Original Research
Bocconi University
· Original study ↗
Methodology
Bocconi University study
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Traditional search users with ChatGPT access: 9% traditional search usage drop. Source: Bocconi University (2026-07). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-access-traditional-search-drop
HTML Embed
<blockquote cite="https://lighthousedata.io/data/chatgpt-access-traditional-search-drop" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>9%</strong> -- traditional search usage drop for Traditional search users with ChatGPT access<br><small>Source: Bocconi University (2026-07) · <a href="https://lighthousedata.io/data/chatgpt-access-traditional-search-drop" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.