B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
79%
79% -- traffic loss rate for websites ranking first in Google search (2024)
Websites that previously ranked first in Google search lost an average of 79% of their traffic when AI Overviews appeared above them.
- Study contested by Google as flawed and inaccurate
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
79%
Unit
Percentage
Data Vintage
2024
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
50
Citation Chain
90
Independence
30
Methodology
45
Freshness
80
Source
Authoritas
Primary
Tier A
https://mediacat.uk/publishers-paying-the-price-for-googles-metamorphosis/ ↗
Source Article
Publishers paying the price for Google’s metamorphosis - MediaCat UK
Two studies published in the past week clearly show that AI-generated summaries at the top of search results drastically reduce clicks. In many cases, they end the browsing session entirely.
New research from analytics firm Authoritas found that websites which previously ranked first in a Google sea…
Original Research
Authoritas
· Original study ↗
Methodology
Research from analytics firm Authoritas
Methodology documented
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
websites ranking first in Google search: 79% traffic loss rate. Source: Authoritas (2024). Via Lighthouse Intelligence -- https://lighthousedata.io/data/websites-lost-traffic-ai-overviews
HTML Embed
<blockquote cite="https://lighthousedata.io/data/websites-lost-traffic-ai-overviews" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>79%</strong> -- traffic loss rate for websites ranking first in Google search<br><small>Source: Authoritas (2024) · <a href="https://lighthousedata.io/data/websites-lost-traffic-ai-overviews" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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