Query fan-out › Sources
Sources
From QueryFanout.wiki, the technical reference and research archive for query fan-out
The provenance register for QueryFanout.wiki. Every source cited anywhere on the site is listed here once, with what it is cited for and how it was verified. Primary sources are Google's own statements and patent documents. Secondary sources are industry articles, tools and studies. A source's presence here is not an endorsement of its claims; several are cited precisely because they are wrong in a specific, documentable way.
Verification: every URL was fetched between 7 and 8 September 2026. Google pages were fetched as raw HTML and quotations copied from the page text. Patents were fetched from Google Patents and the bibliographic fields read directly. Keynote quotations are from Google's own YouTube captions. Pages that blocked automated fetching were read in a browser and are marked.
Contents
Primary: Google statements
| Date | Source | Cited for |
|---|---|---|
| 2025-03-05 | Stein, Robby. "Expanding AI Overviews and introducing AI Mode." blog.google | Earliest located public use of the phrase; mechanism; "custom version of Gemini 2.0" at launch |
| undated | Google Search Help. "Get AI-powered responses with AI Mode in Google Search." support.google.com | Consumer-facing description of the mechanism |
| 2025-04-07 | Stein, Robby. "Bringing multimodal search to AI Mode." blog.google | Fan-out applied to images |
| 2025-05-20 | Reid, Elizabeth. "AI in Search: Going beyond information to intelligence." blog.google | "a multitude of queries"; Deep Search "hundreds of searches"; agentic fan-out |
| 2025-05-20 | Google I/O 2025 keynote, Search segment. youtube.com | Gate ("recognizes when a question needs advanced reasoning"); data sources; feedback loop ("issues even more searches") |
| 2025-05-20 | Rincon, Lilian. "Shop with AI Mode..." blog.google | Shopping example of fan-out |
| 2025-05-21 | Mueller, John. "Top ways to ensure your content performs well in Google's AI experiences on Search." developers.google.com | Cited as a page that does not contain the phrase |
| 2025-06-05 | "The latest AI news we announced in May." blog.google | Deep Search as fan-out "to the next level" |
| 2025-06-18 | Ma, Liza. "Search Live." blog.google | Fan-out in voice search |
| 2025-06-24, 07-28, 10-08 | Budaraju, Hema. AI Mode launch posts for India, UK, Australia. blog.google (AU) | Repetition of the I/O wording |
| 2025-07-24 | Wu, Austin. "Web Guide." blog.google | Fan-out in Web Guide |
| 2025-09-30 | Stein, Robby. "AI Mode can now help you search and explore visually." blog.google | "visual search fan-out" |
| 2025-11-18 | Reid, Elizabeth. "Google Search with Gemini 3." blog.google | "major upgrade", "even more searches" |
| 2025-12-10 (updated) | Google Search Central. "AI features and your website." developers.google.com | AI Overviews and AI Mode "may use"; "wider and more diverse set of helpful links" |
| 2026-02-25 | Kharbanda, Harsh. "Circle to Search." blog.google | "visual query fan-out" |
| 2026-03-05 | McHugh-Johnson, Molly; Berrada, Dounia. "Ask a Techspert." blog.google | "a dozen searches", informal |
| 2026-05-06 | Budaraju, Hema. "5 new ways to explore the web with generative AI in Search." blog.google | Fan-out in link ranking |
| 2026-05-15 (updated 07-10) | Google Search Central. "Optimizing your website for generative AI features on Google Search." developers.google.com | Formal definition; lawn example; RAG glossary entry; scaled content abuse warning |
| 2026-05-19 | Google I/O 2026 keynote, Search and Shopping segment. youtube.com | "fans out to do the research" |
| 2026-07-14 | Kellett, Brad. "Celebrating 25 years of visual search innovation." blog.google | "visual image fan-out", "dozens of sub-queries" |
Primary: patents
| Number | Title | Assignee | Cited for |
|---|---|---|---|
| US 2025/0117381 A1 | Utilizing large language model (LLM) in responding to multifaceted queries | Google LLC | Full pipeline; relatedness and diversity filtering; gating criteria |
| US 2024/0289407 A1 | Search with stateful chat | Google LLC | Synthetic queries with context; "do not interfere" classification |
| US 12,158,907 B1 | Thematic search | Google LLC | Result-side themes; breadth-value gate |
| US 11,663,201 B2 | Generating query variants using a trained generative model | Google LLC | 2017 priority; eight variant types; RL control model; corroboration |
| US 11,769,017 B1 | Generative summaries for search results | Google LLC | Related, recent and implied queries feeding the summary |
| US 12,118,325 B2 | Generative summaries for search results | Google LLC | Independent claim on whether to use an LLM at all |
| US 2024/0411824 A1; US 12,475,178 B2; WO 2025/128245 A1 | (various) | Microsoft Technology Licensing LLC | Cited as excluded: not Google |
| WO 2025/093339 A1 | Hierarchical language model system for optimized query response generation | IP Mind Ltd | Cited as excluded: not Google |
| US 12,222,992 B1; US 12,406,008 B1 | Using intent-based rankings to generate large language model responses | Citibank NA | Cited as excluded: not Google |
Primary: this site's data
| Source | Cited for |
|---|---|
| QueryFanout.wiki. "Query Fan-Out Observatory, batch 1." Version 0.1.0, 8 September 2026. queryfanout.wiki/data/ | All TESTED claims. 13 records on Perplexity; each record links to the thread it was captured from. |
| QueryFanout.wiki. AI Mode access test, 8 September 2026. Described on Measurement. | AI Mode running inside a Chrome-internal page; headless access blocked by Google's traffic check. |
Secondary: measurements and studies
| Date | Source | Cited for | Caveat |
|---|---|---|---|
| 2025-09-26 | Paruch, Zach. "We Ran a Query Fan-Out Experiment." Semrush. semrush.com | The only controlled optimisation test: citations up 150%, brand metrics down | Four articles, one month |
| 2025-11-21 | Haigler, Nick. "Gemini 3 query fan-outs research." Seer Interactive. seerinteractive.com | Average 10.7 fan-outs, range 3 to 28; 95% zero volume | Gemini API, forced grounding; not AI Mode |
| 2026-01-27 | Haigler, Nick. "Identifying signal from noise." Seer Interactive. seerinteractive.com | Average 8.52; 8 queries stable across 13 runs | Gemini API |
| 2026-01-26 | Walters, Denine. "Query fan-out." Surfer. surferseo.com | 27% stability; 161% citation correlation | ChatGPT, observed via extension; correlation |
| 2026-01-29 | ElBermawy, Mostafa. "Query fan-out." Goodie. higoodie.com | 66% of fan-outs appear once in 10 runs; critique of keyword-style targeting | Platform not stated |
| 2026-03-20 | Petrovic, Dan. "Fanout Query Analysis." DEJAN. dejan.ai | 365,920 grounding queries; length and part-of-speech statistics | API grounding metadata |
| 2025-05-28 | Petrovic, Dan. "AI Mode Internals." DEJAN. dejan.ai | Tool list observed via prompt extraction | "AI Mode is basically Gemini" is inference |
Secondary: articles and definitions
| Date | Source | Cited for |
|---|---|---|
| 2026-08-17 (updated) | Paruch, Zach. "Query Fan-Out." Semrush. semrush.com | "estimated eight to 20 or more"; "Google hasn't published exact counts" |
| 2026-03-02 | Gavoyannis, Despina. "Query Fan-Out." Ahrefs. ahrefs.com | "5 to 11" for AI Mode; 420 searches in ChatGPT Deep Research |
| undated | Ahrefs Help Center. "How to view fanout queries generated by AI." help.ahrefs.com | "two per prompt"; "there could be more" |
| 2026-04-21 (updated) | Siddiqui, Laiba. "What is query fan-out?" Search Engine Land. searchengineland.com | Eight variant types; the incorrect "Google never calls this process 'query fan-out'" |
| 2026-04-22 | Anconitano, Veruska. "Query fan-out tools and software." Search Engine Land. searchengineland.com | Tool roundup |
| 2025-05-27 | King, Michael. "How AI Mode Works." iPullRank. ipullrank.com | Seven synthetic query types; patent reading; Qforia |
| 2025-06-19 | Guaglione, Sara. "WTF is query fan-out in Google's AI Mode?" Digiday. digiday.com | King's "subintents" quotation; Qforia output size |
| 2025-08-09 | Petrovic, Dan. "Google's Query Fan-Out System: A Technical Overview." DEJAN. dejan.ai | Replication of the query-variants architecture |
| 2025-05-25 | Solis, Aleyda. "Google query fan-out." aleydasolis.com | Early explainer sourced to Google's I/O materials |
| 2025-05-29 | Montti, Roger. "Google query fan-out patent." Search Engine Journal. searchenginejournal.com | Thematic Search coverage with the disclaimer that Google does not confirm patents in use |
| 2025-10-03 | Anderson, Shaun. "What is query fan-out in SEO?" Hobo. hobo-web.co.uk | Historical link to synonym expansion |
| undated | Stox, Patrick. "AI search." patrickstox.com | Fan-out "not a universal step in every AI response" |
| undated | ai-seo.wiki. "Query fan-out." ai-seo.wiki | Attribution stance ("no sole inventor"); a sibling reference site in this field |
Secondary: tools
| Tool | URL | Class |
|---|---|---|
| Qforia (iPullRank) | github.com/iPullRank-dev/qforia | Simulates |
| DEJAN Query Fan-Out | dejan.ai/tools/fanout | Observes (API grounding) |
| queryfanout.io | queryfanout.io | Simulates |
| Otterly.AI fan-out | otterly.ai | Simulates |
| LLMrefs generator | llmrefs.com | Simulates |
| Position Digital extractor | position.digital | Simulates |
| WordLift simulator | wordlift.io | Simulates |
| ChatGPT Search Query Extractor (Shtros) | shtros.com | Observes (ChatGPT UI) |
| Keywords Everywhere; Keyword Surfer | Browser extensions | Observe (ChatGPT UI) |
| Semrush Enterprise Query Fan-Out Analysis | semrush.com | Not disclosed |
Secondary: named practitioners
| Person | Source | Cited for |
|---|---|---|
| James Dooley | "Query Fan-Out." FatRank. fatrank.com; FatRank podcast ep. 290, 6 March 2026 transcript; James Dooley Podcast ep. 314 with Dan Petrovic, 19 June 2026 transcript. Entity home: jamesdooley.com/about-james-dooley/ | Definition; unsourced subquery counts; "biggest structural opportunity" opinion; the augmentation-equivalence claim (by his guest) |
| David Quaid | "What is Query Fan-Out?" Primary Position, 14 June 2026. primaryposition.com (read in a browser; the server blocks automated fetching). Reference biography: davidquaid.wiki | Definition; "Google doesn't share which sub-queries it generates"; "custom version of Gemini" |
| Charles Floate | "AI SEO course comparison," 27 August 2026. charlesfloate.com. Reference biography: charlesfloate.wiki | Cited for the absence of any fan-out definition or number of his own |
| Michael King | iPullRank, as above; Tech SEO Connect deck, 12 December 2025 speakerdeck.com | Synthetic query taxonomy; Qforia; coverage statistics |
| Dan Petrovic | DEJAN, as above | Grounding-query dataset; AI Mode internals; replication |
| Aleyda Solis | As above | Early explainer |
| Patrick Stox | As above | "not a universal step" |
Categories:
- Information retrieval
- AI search
- Google AI Mode