Google AI Overview Citation Share - March 2026
Klaas FoppenThe Most Cited Domains on
AI Overviews in March 2026
Based on prompts and citations tracked from Mar 1 - Mar 31, 2026. Citations are tracked from search responses using Google AI Overviews (inline/side panel).
What this means for you
March is the month YouTube broke away from the pack: at 3.69% of all AI Overview citations, it holds nearly double Reddit's 1.98% and more than four times google.com's 0.89%. Where ChatGPT leans on Reddit threads, Google's AI layer clearly prefers its own video platform when a query can be answered visually.
Below the leaders, the chart is remarkably social: LinkedIn (0.85%), Facebook (0.78%), Instagram (0.38%) and TikTok (0.15%) all make the list, while reference sites like Wikipedia sit at just 0.08%. Google's AI Overviews reward platforms where people actively publish, not just static authority pages.
How to act on it
- Make video a first-class citizen in your content plan. With YouTube at 3.69% and pulling away, publishing tutorials, demos and explainers there gives you a citation channel your blog alone can't match.
- Keep your classic rankings healthy: AI Overviews draw from what already ranks in Google Search, so the pages winning organic positions today are the same ones eligible for citations tomorrow.
- Watch the flat middle of the chart: Quora (0.18%), Gartner (0.18%) and G2 (0.18%) sit in a dead heat. If analysts and review platforms matter in your category, keeping those profiles current is a cheap way to hold a slice of citation share.
AI Overview Citation Share
February vs March 2026
Side-by-side comparison of citation share for the top domains on Google AI Overview between February and March 2026.
What this means for you
February to March was a broad expansion for the big platforms: YouTube surged from 2.25% to 3.69% (a 64% jump) and Reddit climbed from 1.65% to 1.98%. Visual platforms exploded off a small base: Instagram from 0.23% to 0.38%, TikTok from 0.06% to 0.15%, and Amazon from 0.08% to 0.20%. Almost nothing fell meaningfully, which means the gains came out of the long tail: AI Overview citations concentrated toward large, high-trust platforms this month, leaving relatively less room for everyone else.
How to act on it
- If you haven't started on video and short-form social, this is the signal to move: YouTube up 64%, Instagram up 65%, TikTok up 150% in one month. Even a modest presence on these platforms positions you for the citations flowing their way.
- Ecommerce teams should note Amazon's jump from 0.08% to 0.20%. Product-related queries are increasingly answered with marketplace citations, so keep your Amazon listings as polished as your own product pages.
- Don't mistake a rising tide for your own growth: when nearly every major domain gains share simultaneously, measure your citation share relative to competitors, not just in absolute terms.
How we collect this data
We collect millions of prompt responses, citations, and click data from the actual user interfaces of major AI platforms: over 26 billion data points and growing. This gives us one of the largest datasets on how AI search engines cite sources and recommend brands.
Real UI monitoring
Data straight from the interfaces of ChatGPT, Gemini, Perplexity, Claude, AI Overviews, and more.
26B+ data points
Over 26 billion analyzed citations, prompts, and responses, one of the largest AI search datasets available.
Continuously updated
Refreshed constantly so the trends you see reflect the latest behavior of AI search engines.
Aggregated & public
Published freely for the GEO community, based on aggregated, non-identifiable trends.
Want to start tracking your own AI search data? Get started with Promptwatch
Track Your Domain's AI Citation Share
See which domains AI search engines cite most for your industry. Monitor your brand's citation share compared to competitors and get alerts when citation patterns shift.
