Top AI Citation Share in E-commerce Industry, September 2026
Which websites do AI engines cite most when answering e-commerce questions? This report breaks down AI citation share across ChatGPT, Gemini, Perplexity and Google AI Overviews for e-commerce brands tracked by Track My Visibility.
- Report Date: Oct 15, 2026
- Data Period: Sep 1 – Sep 30, 2026
156,007
Citations analyzed
18,702
Unique domains cited
8.7%
Combined share of the top 10 websites
80
E-commerce sites tracked
What Does the E-commerce AI Citation Data Show?
🔥 Key finding :
Marketplaces and large retailers take only 6.4% of e-commerce citations. A brand's own site gets 4.2%, and Reddit, YouTube and other social sites get 4.9%. The other 79.9% goes to publishers, niche retailers, competitors and other sites.
Each engine leans on a different source type. Social sites take 25.0% of Google AI Overviews citations, against 1.5% in ChatGPT. ChatGPT leans on institutions: government and health sources take 6.3% there and under 1% everywhere else.
Amazon is almost absent from ChatGPT and Gemini. See the spotlight below.
Where Citations Go
| 1. Marketplaces and retailers | 6.4% |
| 2. Reddit, YouTube and social | 4.9% |
| 3. Brand's own site | 4.2% |
| 4. Government and health | 3.9% |
| 5. Google properties | 0.6% |
| 6. Everything else | 79.9% |
Which Websites Does Each AI Engine Cite Most for E-commerce?
The five most cited websites in each engine, as a share of that engine's e-commerce citations. Reddit is the only website in the top 5 of all four engines.
ChatGPT
Perplexity
Google AI Overviews
Gemini
Bars are scaled within each card. Google AI Overviews' top 5 is almost all social and video. Two of ChatGPT's top 5 are government health sources, and three of Perplexity's top 5 are marketplaces.
Two Gaps Worth Knowing
Amazon: almost absent from ChatGPT and Gemini
Amazon’s share of each engine’s e-commerce citations. Amazon’s robots.txt blocks several OpenAI crawlers, as Modern Retail reported, which likely explains the gap in ChatGPT.
ChatGPT
0.02%
18 citations
Gemini
0.00%
0 citations
Perplexity
1.09%
422 citations
AI Overviews
1.02%
185 citations
Social sites: one engine does the heavy lifting
ChatGPT
1.5%
of citations
Gemini
2.1%
of citations
Perplexity
4.1%
of citations
AI Overviews
25.0%
of citations
Which Marketplaces and Retailers Do AI Engines Cite Most?
Gemini
0.00%
0 citations
Perplexity
1.09%
422 citations
AI Overviews
1.02%
185 citations
Gemini
2.1%
of citations
Perplexity
4.1%
of citations
AI Overviews
25.0%
of citations
How Do ChatGPT, Gemini, Perplexity and Google AI Overviews Cite E-commerce Sources?
Where each engine sends its e-commerce citations.
| Engine | Marketplaces and retailers | Social and video | Government and health | Brand's own site |
|---|---|---|---|---|
| ChatGPT | 6.0% | 1.5% | 6.3% | 4.0% |
| Gemini | 3.6% | 2.1% | 0.6% | 4.4% |
| Perplexity | 9.1% | 4.1% | 0.8% | 3.8% |
| AI Overviews | 4.1% | 25.0% | 0.5% | 5.5% |
Frequently Asked Questions
Which websites do AI engines cite most for e-commerce?
Does ChatGPT cite Amazon?
How much of AI citation share goes to marketplaces and retailers?
How often do AI engines cite a brand's own website?
How does Track My Visibility collect this citation data?
How we collect this data
At Track My Visibility, we collect citation data by monitoring AI-generated answers across platforms like ChatGPT, Perplexity, Google AI Overviews, and other AI search tools. We analyze which domains are cited, how often they appear, and where your brand stands against competing sources.
Tracking Real UI
We monitor the actual user interfaces of ChatGPT, Gemini, Perplexity, Claude, and 15+ other AI platforms. We capture real citation data, ranking positions, and competitive visibility metrics.
Large-Scale Citation Analysis
We analyze citation data across AI-generated answers to understand which sources are trusted, how visibility changes, and what signals influence AI citation patterns.
Live competitor insights
See where your competitors are being cited, what content earns citations, and how your AI visibility stacks up. Daily updates keep you ahead of citation trends.