GEO Rankings
← Blog
Published

GEO Statistics 2026: 70+ Verified AI-Citation Data Points (With Source Links)

A fully sourced stat bank of 70+ generative engine optimization statistics for 2026, with primary-source links, engine tags, and quarterly refresh dates.

Bottom line

In 2026, 51% of B2B software buyers start research in an AI chatbot, AI Overviews appear on roughly 48% of tracked queries, and only 12% of AI-cited URLs also rank in Google's top 10. This page is a single canonical, fully sourced stat bank covering AI adoption, citation behavior, content signals, and conversion, refreshed quarterly.

Last updated June 2026. Next refresh: September 2026. Statistics are drawn from verified primary sources only. Each entry in the table below names its source, publication year, and the AI engine(s) it covers.

TL;DR

In 2026, 51% of B2B software buyers start research in an AI chatbot. AI Overviews appear on roughly 48% of all tracked queries. Only 12% of AI-cited URLs also rank in Google’s top 10. And pages that front-load a direct answer earn the majority of citations. If you run a GEO programme, these are the numbers that frame the opportunity.


How to use this stat bank

Each row in the tables below follows the same pattern: the data point, the metric it covers, the AI engine(s) it applies to, the primary source, and the publication year.

A few conventions to note:

  • “All engines” means the study covered ChatGPT, Perplexity, Gemini, and Google AI Overviews at minimum.
  • Statistics from single-vendor studies are marked (vendor). They represent real data from that vendor’s platform but have not been independently replicated.
  • Where a figure is partially verified (right direction, wrong precise number in secondary coverage), the corrected phrasing from the original source is used.

Tools that let you measure these metrics across engines include Temso (the all-in-one AI SEO platform from $89/mo, covering 8 engines), Profound (enterprise citation intelligence), Peec AI, and Ahrefs Brand Radar. The full comparison lives at /rankings/geo-tools.


Section 1: AI adoption and buyer behaviour

These figures establish why GEO matters. They measure how consumers and B2B buyers have shifted research behaviour toward AI-generated answers.

StatMetricEngineSourceYear
51% of B2B software buyers now start research in an AI chatbot, up from 29% 11 months earlierBuyer behaviour shiftChatGPT and othersG2, “The Answer Economy” (survey of 1,076 B2B software buyers, March 2026)2026
69% of those buyers chose a different vendor than they originally planned, based on chatbot guidancePurchase influenceChatGPT and othersG2, “The Answer Economy” (same survey)2026
33% of B2B buyers bought from a vendor they had never heard of before, after chatbot guidanceBrand discoveryChatGPT and othersG2, “The Answer Economy”2026
89% of B2B buyers have adopted generative AI as a top self-guided information source across the buying processGenAI adoption (all phases)All enginesForrester, “B2B Buyer Adoption of Generative AI,” 2024 Buyers’ Journey Survey2024
By 2028, Gartner projects 90% of B2B buying will be AI-agent-intermediated, routing over $15 trillion in spendFuture AI-agent spendAll enginesGartner IT Symposium/Xpo 2025 press release, November 20252025
68% of B2B SaaS CMOs at $50M+ revenue companies now start vendor discovery in AI tools before traditional searchCMO vendor research shiftChatGPT, Claude, PerplexityWynter, survey of 101 B2B SaaS CMOs, January 20262026
46% of high school students used AI in college search, up from 26% in spring 2025Student research behaviourAll enginesEAB survey of 5,000+ high school students, October-November 2025 (vendor)2026
18% of students removed a college from consideration based on AI-surfaced informationAI influence on decisionsAll enginesEAB survey of 5,000+ high school students, October-November 2025 (vendor)2026
44% of car shoppers used AI tools during the 2025 buying processConsumer researchAll enginesCars.com survey of in-market shoppers, November 2025 (pre-filtered toward AI users) (vendor)2025
68% of US Google searches ended without a click in early 2026, up from roughly 58-60% in 2024Zero-click rate (all search)GoogleSparkToro / Rand Fishkin, using Similarweb clickstream data, June 20262026

Section 2: AI Overview and AI Mode prevalence

These figures measure how often AI-generated answer features appear on search results pages, and how they behave differently across Google’s own surfaces.

StatMetricEngineSourceYear
Google AI Overviews appeared on approximately 48% of monitored queries as of February 2026, up from roughly 30-31% a year earlierAIO trigger rate (all query types)Google AI OverviewsBrightEdge, “AI Overviews at the One-Year Mark,” February 2026 (proprietary keyword panel) (vendor)2026
Google AI Overviews appeared on approximately 86.7% of commercial and buying-intent prompts in a 500,000-prompt sample from April 2026AIO trigger rate (commercial intent)Google AI OverviewsPeec AI, analysis of 500,000 commercial-intent prompts, May 2026 (vendor)2026
Searches that trigger a Google AI Overview have an average zero-click rate of 83%, compared to roughly 60% without oneZero-click rate with AIOGoogle AI OverviewsSimilarweb, clickstream analysis, May 2025 (vendor)2025
92-94% of Google AI Mode searches ended without a click to an external website (US desktop, May-July 2025)Zero-click rate in AI ModeGoogle AI ModeSemrush, analysis of roughly 69 million US desktop search sessions using Datos clickstream data, 2025 (vendor)2025
Google AI Mode and Google AI Overviews cited the same URLs only 13.7% of the time across 540,000 query pairsCross-surface citation overlapGoogle AI Overviews, Google AI ModeAhrefs, study by Despina Gavoyannis and Xibeijia Guan, December 2025 (September 2025 US data, 540,000 query pairs)2025
YouTube accounts for approximately 23.3% of Google AI Overview citations, making it the most-cited single domainTop-cited domain in AIOGoogle AI OverviewsSurfer SEO, AI Citation Report (46 million AIO citations, March-August 2025) (vendor)2025

Section 3: Citation overlap and cross-engine divergence

AI engines do not cite the same sources. These figures show how little carries over from one platform to another, and from AI to traditional organic search.

StatMetricEngineSourceYear
Only about 12% of URLs cited by AI assistants (ChatGPT, Gemini, Copilot, and Perplexity combined) also appear in Google’s top-10 organic results for the same queryAI-to-organic overlapChatGPT, Gemini, Copilot, PerplexityAhrefs, study by Louise Linehan and Xibeijia Guan, August 2025 (15,000 long-tail queries)2025
Perplexity’s overlap with Google’s top-10 results is approximately 29%, far higher than ChatGPT (~8%), Gemini (~8.6%), and Copilot (~8.2%)Per-engine AI-to-organic overlapChatGPT, Gemini, Copilot, PerplexityAhrefs, same study, August 20252025
Only about 11% of cited domains appear in both ChatGPT and Perplexity responsesCross-engine domain overlapChatGPT, PerplexityProfound, analysis of 100,000 prompts across both platforms, July 2025 (vendor)2025
Brand mentions in AI responses disagreed 61.9% of the time across Google AI Overviews, AI Mode, and ChatGPTCross-engine citation inconsistencyGoogle AI Overviews, Google AI Mode, ChatGPTBrightEdge, AI Catalyst research, July 2025 (vendor)2025
ChatGPT’s B2B AI referral share fell from 89.1% (May-August 2025) to 62.6% (March-April 2026), while Claude rose from 1.4% to 18.5%AI referral market share shiftChatGPT, ClaudeGoodie, Wave 2 AI Search Market Share Report, based on anonymized GA4 panel, 2026 (vendor)2026
Perplexity averaged 21.87 citations per response versus ChatGPT’s 7.92Citations per responseChatGPT, PerplexityQwairy, Q3 2025 analysis of 118,000+ AI-generated answers across 8 providers (vendor)2025
Reddit appears in 46.7% of Perplexity’s top-10 cited sources for commercial queriesTop source distribution (Perplexity)PerplexityProfound, Q2 2025 analysis of commercial query citations (vendor)2025

Section 4: Content signals and citation behaviour

What does a cited page look like? These figures describe the structural and formatting characteristics that correlate with appearing in AI answers.

StatMetricEngineSourceYear
44.2% of ChatGPT citations were drawn from the first 30% of a page’s content (the “ski ramp” pattern)Citation position within pageChatGPTKevin Indig, analysis of 1.2 million ChatGPT responses and 18,012 verified citations, February 2026 (reported by Search Engine Land)2026
Nearly four in five pages cited by ChatGPT include at least one structured list, compared to just 29% of Google’s top-ranked pagesList usage in cited pagesChatGPTAirOps, “Structuring Content for LLMs” (analysis of 12,000+ URLs across 900 queries in 15 industries), July 2025 (vendor)2025
68.7% of pages cited by ChatGPT used a sequential heading structure (H1, H2, H3), versus 23.9% of Google’s top-ranked pagesHeading structure in cited pagesChatGPTAirOps, same study, July 2025 (vendor)2025
61% of pages cited by ChatGPT used 3 or more distinct schema types, compared to 25% of top Google SERP URLsSchema depth in cited pagesChatGPTAirOps, same study, July 2025 (vendor)2025
Comparison pages containing 3 or more HTML tables earn 25.7% more AI citations than those without, for head-to-head product comparison queriesTable usage liftChatGPT (product comparison)AirOps Research, “From Retrieved to Cited,” April 2026 (217,508 retrieved pages across 7,500 commercial prompts) (vendor)2026
Adding statistics to content improved AI visibility scores by approximately 40% on the Position-Adjusted Word Count metricStatistics as a content signalAll engines (GEO paper)Aggarwal et al., “GEO: Generative Engine Optimization,” ACM KDD 2024 (arXiv:2311.09735), Princeton, IIT Delhi, Georgia Tech, Allen Institute for AI2024
76.4% of ChatGPT’s most-cited pages had been updated within the prior 30 daysFreshness in cited pagesChatGPTConvertMate, 2026 AI Visibility Study (80M+ citations across 10,000+ domains) (vendor, methodology not independently verified)2026
A 2026 Ahrefs study of 1,885 pages that added JSON-LD schema found no meaningful uplift in AI citations (AI Mode: +2.4%; ChatGPT: +2.2%; AI Overviews: -4.6%)Schema markup effect on AI citationsGoogle AI Overviews, Google AI Mode, ChatGPTAhrefs, study by Louise Linehan and Xibeijia Guan, May 2026 (1,885 treated pages, 4,000 control pages, August 2025-March 2026)2026
According to an Ahrefs study of 75,000 brands, the top quartile by web mentions averaged 169 AI Overview mentions: more than 10x the 14 averaged by brands in the next quartileBrand mention correlation with AIO citationsGoogle AI OverviewsAhrefs, study by Louise Linehan and Xibeijia Guan, May 20252025
According to Averi.ai’s self-published 2026 AI citation benchmark, product and marketing pages earn citation rates of roughly 3-8% in AI responses, among the lowest of any content typeCitation rate by content type (product pages)Multiple enginesAveri.ai, “AI Search Citation Benchmarks 2026” (vendor aggregation)2026
Standard blog posts earn citation rates of roughly 6-15% for relevant queries, significantly below original research (38-65%), per Averi.ai’s compiled estimateCitation rate by content type (blog posts)Multiple enginesAveri.ai, “AI Search Citation Benchmarks 2026” (vendor aggregation; underlying primary sources not independently verifiable)2026

Section 5: Source attribution (third-party vs brand-owned)

These figures describe where AI engines pull their citations from, and what that means for how brands earn citation share.

StatMetricEngineSourceYear
Roughly 77% of AI citations in Omniscient Digital’s analysis of 23,387 citations came from non-brand-owned sources (48% earned media and 30% commercial brand content outside the brand’s own domain)Third-party citation shareChatGPT, Perplexity, GeminiOmniscient Digital, analysis of 23,387 AI citations using Peec AI2025
Muck Rack’s analysis of over 1 million AI citations found 82% came from earned media rather than brand-owned pagesThird-party citation share (larger dataset)Multiple enginesMuck Rack, analysis of 1M+ citations2025
A Stacker/Scrunch pilot study found that distributing content through third-party news outlets lifted AI citation rates from roughly 8% (brand-owned content) to 34%, a 325% increaseEarned media citation lift5 LLMsStacker and Scrunch, pilot study by Noah Greenberg, December 2025 (8 articles across 944 prompt-platform combinations)2025
A larger Stacker follow-up (March 2026) confirmed the direction but found a lower median lift of 239%Earned media citation lift (follow-up)5 LLMsStacker, March 2026 follow-up study2026
73% of sites have technical barriers preventing AI crawler access, including robots.txt blocks and CDN security rulesTechnical blocking rateAll enginesOtterly.AI, “The AI Citation Economy: What 1+ Million Data Points Reveal,” 2026 (vendor, sample not disclosed)2026
73% of the 100 cybersecurity vendors tested received zero ChatGPT citations when buyers queried their product categoryZero-citation rate by verticalChatGPTGrackerAI, “State of AI Search Visibility in Cybersecurity 2026” (100 vendors, 250 buyer-intent prompts across 6 platforms) (vendor)2026
Only about 16% of the world’s approximately 810,000 hotel properties appeared in AI-generated recommendations on ChatGPT, Google AI, and PerplexityVertical visibility gap (hospitality)ChatGPT, Google AI (Gemini), PerplexityHotelworld AI, “World’s Best at AI Index,” February 2026 (2.36 million data points, 130,884 properties, 30 countries) (vendor)2026

Section 6: AI traffic volume and growth

These figures measure the scale of traffic flowing from AI engines to websites, and how fast that traffic is growing.

StatMetricEngineSourceYear
ChatGPT weekly active users grew from 400 million (February 2025) to 900 million (February 2026), processing over 2.5 billion queries per dayChatGPT scaleChatGPTOpenAI, public announcements, February 2025 and February 20262026
Generative AI referrals to US retail sites surged 693% year over year during the 2025 holiday season (November-December 2025)AI referral traffic growth (retail)All enginesAdobe Analytics, data from more than 1 trillion US retail site visits, published January 20262026
Generative AI traffic to US travel sites rose 3,500% year over year in July 2025, based on more than 8 million visitsAI referral traffic growth (travel)All enginesAdobe Digital Insights, published September 2025 (single-vendor panel, not industry-wide)2025
AI-referred sessions grew 527% comparing January-May 2025 to January-May 2024, across 19 GA4 propertiesYoY AI referral growth (multi-site)All enginesPrevisible, “2025 State of AI Discovery Report” by David Bell (19 GA4 properties, roughly 1.96 million LLM sessions) (vendor)2025
ChatGPT accounted for roughly 20% of Walmart’s referral clicks and more than 20% of Etsy’s referral clicks in August 2025Retailer AI referral shareChatGPTSimilarweb data reported by Modern Retail, September 2025 (referral traffic as a share, not total visits)2025
ChatGPT accounts for nearly 15% of referral traffic to Target in August 2025Retailer AI referral shareChatGPTSimilarweb data reported by Modern Retail and Digiday, September 20252025
Amazon receives less than 3% of its referral traffic from ChatGPT, due to deliberate AI-crawler blockingRetailer AI referral share (blocked)ChatGPTSimilarweb data reported by Modern Retail, September 20252025
AI-referred sessions grew 693% in US retail over the 2025 holiday season, while November alone saw a 769% year-over-year surgeAI referral surge by month (retail)All enginesAdobe Analytics, January 2026 (1 trillion+ US retail site visits)2026
Ahrefs’ analysis of 17 million citations found AI-cited content is 25.7% fresher on average than non-cited contentContent freshness and AI citationsMultiple enginesAhrefs, July 2025 study of 17 million AI citations2025

Section 7: AI traffic conversion rates

These figures measure what happens after a visitor arrives from an AI engine. Treat vendor-reported conversion figures as directional, not benchmark.

StatMetricEngineSourceYear
On Ahrefs’ own website, AI search visitors (primarily from ChatGPT) made up 0.5% of traffic but drove 12.1% of signups: a roughly 23x conversion premium over traditional organic searchConversion premium (single site)ChatGPTPatrick Stox, Ahrefs blog, June 2025 (Ahrefs first-party data, not industry-wide)2025
According to vendor studies by Superprompt and Opollo, AI-referred visitors converted at roughly 14% compared to under 3% for Google organic, a roughly 5x gapConversion premium (B2B tech)All enginesSuperprompt (347 businesses, 12.3 million visits) and Opollo (312 B2B IT firms) (vendor, not independently verified; e-commerce studies show a much smaller gap)2025
ChatGPT-referred traffic converted at 15.9%, Perplexity at 10.5%, and Gemini at 3%, each versus 1.76% for Google organic, in one Seer Interactive case studyConversion by engine (single unnamed client)ChatGPT, Perplexity, GeminiSeer Interactive case study, October 2024-April 2025 (single unnamed client, industry not disclosed)2025
According to multiple agency studies, ChatGPT-referred traffic converts at roughly 4-5x the rate of non-branded organic searchConversion premium (multi-study range)ChatGPTRocket Agency (5.1x, 18 months, multi-industry); Seer Interactive and Superprompt (consistent direction) (vendor studies, not independent)2025
A 2025 Search Engine Land study of 94 ecommerce sites found ChatGPT traffic converting at 1.81% versus 1.39% for non-branded organic, a 31% lift rather than a 5x premiumConversion premium (ecommerce, smaller)ChatGPTSearch Engine Land study of 94 ecommerce sites, 20252025

Section 8: Citation lift from content and earned media

These figures measure how specific content choices change your citation rates in practice.

StatMetricEngineSourceYear
Pages cited inside a Google AI Overview earn roughly 120% more organic clicks per impression than uncited pages on the same SERPClick lift from AIO citationGoogle AI OverviewsSeer Interactive, “AIO Impact on Google CTR: 2026 Update” (53 brands, 5.47 million tracked queries, 2.43 billion organic impressions) (vendor)2026
Even cited pages still receive about 38% fewer clicks per impression than pages on SERPs where no AI Overview appears at allClick penalty vs AI-Overview-free SERPsGoogle AI OverviewsSeer Interactive, same study2026
A UC Berkeley arXiv preprint found structured data was the third-strongest predictor of AI citation likelihood, associated with a +39% lift, behind metadata/freshness (+47%) and semantic HTML (+42%)Schema lift (one preprint)Brave, Google AIO, PerplexityKumar and Palkhouski, arXiv:2509.10762, September 2025 (1,100 URLs, 1,702 citations)2025
According to Averi.ai’s self-published benchmark, original research pages achieve citation rates of 38-65%, compared to 6-15% for standard blog postsCitation rate by content typeMultiple enginesAveri.ai, “AI Search Citation Benchmarks 2026” (vendor aggregation; underlying primary studies not independently verifiable)2026
According to Conductor’s 2026 CMO Investment Report, organisations with high AEO maturity are nearly 6x more likely to use a fully integrated AEO platformProgramme maturity and platform useAll enginesConductor, “State of AEO/GEO in 2026” (survey of 250+ enterprise CMOs) (vendor)2026
Otterly.AI observed a +1,500% increase in Google AI Overviews appearances after a sitewide schema rollout, but concluded the lift was algorithmic rather than schema-driven, with competitors seeing equivalent movement without schema changesSchema experiment resultGoogle AI OverviewsOtterly.AI, controlled experiment on their own website (December 2025-March 2026, 319 prompts, 7 platforms) (vendor, own site only)2026
ChatGPT’s most divergent fan-out sub-queries share only about 13% word overlap with the original user promptQuery fan-out divergenceChatGPTProfound, analysis of 10,000 prompts, April 2026 (vendor)2026
A brand’s citation volume can vary up to 615x across AI platformsCross-platform citation variance10 platformsSuperlines, analysis of 34,234 AI responses across 10 platforms (January-February 2026) (vendor, conducted on their own domain)2026

Section 9: llms.txt and crawl access

These figures cover the early-stage llms.txt adoption landscape and what is actually known about AI crawler access.

StatMetricEngineSourceYear
As of mid-2025, mainstream adoption of llms.txt among top 1,000 websites remained below 1%llms.txt adoption rateAll enginesRankability research, June 20252025
A Wix AI Search Lab bulk analysis of 586 indexed llms.txt files found that almost 6% of those pages were ranking for organic keywordsllms.txt and organic rankingGoogleWix AI Search Lab (Crystal Carter), 2025 (small sample, vendor)2025

Section 10: Vertical spotlights

AI citation behaviour varies significantly by industry. These figures offer a starting point for vertical-specific benchmarks.

StatMetricEngineSourceYear
BrightEdge data shows AI Overviews appearing in 84-89% of healthcare search queries as of late 2024-2025Healthcare AIO trigger rateGoogle AI OverviewsBrightEdge, proprietary keyword panel tracking, 2024-2025 (vendor)2025
A WebFX study of more than 130,000 US healthcare queries (July 2025) found 66.9% of informational healthcare queries triggered AI OverviewsInformational healthcare AIO rateGoogle AI OverviewsWebFX, analysis of 130,000+ US healthcare search queries, 20252025
Generative AI referrals to US retail sites surged 693% year over year in the 2025 holiday seasonRetail AI referral growthAll enginesAdobe Analytics, January 2026 (1 trillion+ US retail site visits)2026
According to a 2025 vendor study by Hotelworld AI, only around 16% of the world’s hotel properties appear in AI-generated recommendationsHospitality visibility gapChatGPT, Google AI (Gemini), PerplexityHotelworld AI, “World’s Best at AI Index,” February 2026 (vendor)2026
17% of B2B SaaS brand discovery now happens through AI-generated answers, up from 4% the prior year, according to Data-Mania LLC’s own benchmarkingB2B SaaS AI discovery rateChatGPT, Perplexity, Google AI OverviewsData-Mania LLC, “AI Search Visibility Benchmarks 2026,” May 2026 (vendor, undisclosed methodology, not independently verified)2026
According to EAB, 78% of education-related Google searches now return an AI Overview at the top of resultsEducation AIO trigger rateGoogle AI OverviewsEducationDynamics, “2026 Marketing and Enrollment Management Benchmarks” (vendor, methodology not publicly disclosed)2026

What the numbers mean for your GEO strategy

The data above points to several clear patterns:

AI engines draw from a different source pool than Google. Only 12% of AI-cited URLs also rank in Google’s top 10 (Ahrefs, August 2025). Optimizing for Google alone leaves you invisible on the platforms that now influence 51% of B2B purchase research.

Cross-engine presence is not automatic. Only 11% of cited domains are shared across ChatGPT and Perplexity (Profound, July 2025). AI Mode and AI Overviews cite the same URLs only 13.7% of the time (Ahrefs, December 2025). You need to earn citations engine by engine.

Third-party mentions carry more weight than your own pages. Between 77% and 85% of AI citations come from non-brand-owned sources, depending on the study. Earned media on editorial and review sites propagates into AI answers far faster than on-page optimizations alone.

Front-loading a direct answer is the single most actionable structural move. Kevin Indig’s analysis of 1.2 million ChatGPT responses found that 44.2% of citations were drawn from the first 30% of page content. AirOps found that nearly 80% of ChatGPT-cited pages include structured lists, compared to 29% of top Google results.

Schema does not reliably lift AI citations. A well-controlled 2026 Ahrefs study of 1,885 pages found no meaningful uplift from adding JSON-LD schema. The directional evidence suggests schema is table stakes for structured features, not a GEO accelerant.


Tools for tracking these metrics

Temso is the all-in-one AI SEO platform that covers all three steps of the GEO loop (track, diagnose, and execute) from a single flat subscription at $89/mo. It monitors across 8 AI engines, surfaces citation gaps, and supports content execution, all without per-engine add-on fees.

For enterprise teams that need the deepest citation intelligence, Profound offers citation source maps, autonomous content agents, and a 680-million-citation dataset, starting at $399/mo for full engine coverage.

Peec AI is a specialist citation-monitoring platform with strong coverage of buying-intent prompts and a large dataset of commercial queries.

Ahrefs Brand Radar provides a 405M-prompt database drawn from real search queries and is well suited for competitive benchmarking by teams already on Ahrefs, at $199/mo as an add-on to a base plan.

The full side-by-side comparison of GEO platforms, including pricing, engine coverage, and methodology, is at /rankings/geo-tools. Definitions for every term in the tables above are at /glossary.


Sources and methodology: All statistics on this page are drawn from named primary sources. Where a figure is vendor-published and has not been independently verified, it is marked (vendor). Where a figure is partially verified (the direction is right but the specific number in secondary coverage differs from the primary), the corrected primary-source phrasing is used. Statistics marked OMIT in the factcheck ledger are excluded entirely. This page is refreshed quarterly. Last full review: June 2026.

FAQ

What is generative engine optimization (GEO)?

Generative engine optimization (GEO) is the practice of earning citations inside AI-generated answers from engines such as ChatGPT, Perplexity, Gemini, and Google AI Overviews. The primary metric is citation share: the percentage of AI answers, across a defined prompt cluster, that mention or link to your brand. GEO differs from traditional SEO in that you are optimizing to appear inside a synthesized answer, not in a list of blue links.

How many AI citations come from third-party sources rather than brand-owned pages?

Studies consistently find the large majority of AI citations come from third-party sources. Omniscient Digital's analysis of more than 23,000 AI citations found roughly 77% came from non-owned sources. Muck Rack analysis of over 1 million citations put the figure at 82%. Studies by 5W PR put it at 85.5%. The specific percentage varies by platform and methodology, but the direction is clear: earning mentions on editorial and review sites matters more than publishing on your own domain alone.

Do AI Overviews and ChatGPT cite the same pages?

No. According to an Ahrefs study of 540,000 query pairs (September 2025), Google AI Mode and Google AI Overviews cited the same URLs only 13.7% of the time. A separate Ahrefs study found only about 12% of AI-cited URLs appeared in Google's top-10 organic results for the same query. These findings mean that ranking well on Google does not guarantee AI citation, and winning citations on one AI platform does not carry over to others.

What content format is most likely to earn AI citations?

According to AirOps' July 2025 analysis of more than 12,000 ChatGPT-cited URLs, nearly four in five cited pages include at least one structured list, compared to just 29% of Google's top-ranked pages. The same study found 68.7% of cited pages used a sequential heading structure (H1, H2, H3) versus 23.9% of top Google results. Kevin Indig's analysis of 1.2 million ChatGPT responses found 44.2% of citations were drawn from the first 30% of page content. Front-loading a direct answer matters.

Does adding schema markup increase AI citations?

A 2026 Ahrefs study that tracked 1,885 pages adding JSON-LD schema found no statistically significant uplift in AI citations across Google AI Overviews, AI Mode, or ChatGPT. Google AI Mode showed a +2.4% change and ChatGPT +2.2%, both statistically indistinguishable from zero, while AI Overviews showed a small decline of 4.6%. Schema markup appears to be necessary for certain structured features but is not a reliable lever for increasing AI citation rates on its own.

Which tools track GEO and AI citation share?

Several platforms track citation share across AI engines. Temso covers 8 engines from $89/mo and includes monitoring, gap diagnosis, and content execution in one subscription. Profound targets enterprise teams with citation source maps and content agents at $399/mo for full engine coverage. Peec AI and Ahrefs Brand Radar (a $199/mo add-on to Ahrefs) provide citation intelligence and competitive benchmarking. The full ranking is at /rankings/geo-tools.