The United Nations launched the UN System Data Commons on September 17, 2026, built on Google's open-source Data Commons framework with $2 million in…
Via TechCrunch AI ↗ · Sep 17 · · Google Search, Research, AEO
A preprint audit by University of Illinois Urbana-Champaign researchers traced 30,000 Reddit AI search answers back through 14.68 million comments across…
Via Search Engine Journal ↗ · Sep 17 · · Research, AEO
Revision 08 of the IETF's AI Preference Vocabulary draft, published this week, restructures its usage categories: the previous single "AI Model Training"…
Via IETF AI preferences vocabulary draft ↗ · Sep 16 · · Research, AEO
<span class="preheader" style="display:none;font-size:1px;color:#fdfcf8;max-height:0;overflow:hidden">GEO content scores barely predict AI citations…
Via AEO Wire ↗ · Sep 14 · · Google Search, AEO, Research
Reddit's presence in ChatGPT's Education-category citations fell from 17.2% to 0% across two weeks in August 2026, according to a BrightEdge analysis…
Via BrightEdge Blog ↗ · Sep 11 · · Research, Engines, AEO
A University of Washington paper estimates Google's AI Overviews cut monthly search referrals to English Wikipedia by roughly 5% since the feature became…
Via Search Engine Journal ↗ · Sep 11 · · Research, Google Search, SEO
Profound tested ChatGPT, Gemini, and Claude with personas built from combinations of income, age, gender, and occupation, asking each about credit cards…
Via Profound research blog ↗ · Sep 10 · · Research, AEO
A paper from Google DeepMind with co-authors at the University of Massachusetts Amherst and the University of Texas at Austin proposes Autoregressive…
Via Search Engine Journal ↗ · Sep 10 · · Research, Engines
A cross-platform audit tested ChatGPT, Perplexity and Google AI Overview on 20 English mental-health questions plus queries in six additional languages…
Via arXiv AI-search citations ↗ · Aug 31 · · Research, AEO
Two independent trackers report Google's People Also Ask boxes are now almost entirely answered by AI Overviews.
Via Search Engine Roundtable ↗ · Sep 9 · · Google Search, Research
A new arXiv benchmark, HAE-GEO, tests whether AI shopping agents verify suspicious evidence and recover before finalizing a recommendation, rather than…
Via arXiv GEO ↗ · Sep 5 · · Research, GEO
A new arXiv preprint validates a deterministic content score built as a cheap proxy for AI-citation likelihood, using adversarial falsification tests…
Via arXiv GEO ↗ · Sep 7 · · Research, GEO, AEO
AI Overviews appeared in 38% of manufacturing search results in January 2026, rising to 57% by July, per a Semrush analysis of 458 manufacturing keywords…
Via Semrush Blog ↗ · Sep 8 · · Research, AEO, SEO
Peec AI's Tomek Rudzki reports that OpenAI has built its own retrieval index, internally named Labrador, spanning separate vertical indexes for web pages…
Via Peec AI blog ↗ · Sep 4 · · Research, AEO, Engines
A new arXiv preprint introduces GEO Defender, a two-stage defense for generative search systems facing malicious generative engine optimization (GEO)…
Via arXiv GEO ↗ · Sep 2 · · Research, GEO
Ten Speed analyzed 170 B2B buyer-evaluation prompts across ChatGPT, Perplexity, Claude and Gemini, generating 7,387 citation appearances tracked via the…
Via Search Engine Journal ↗ · Sep 3 · · Research, AEO, GEO
Feed-integrated retrieval accounted for roughly 65% of ChatGPT Shopping mode product recommendations as of late August, overtaking web search as the…
Via Profound research blog ↗ · Sep 3 · · Engines, Research, AEO
Comscore has begun tracking sponsored links inside ChatGPT responses using opt-in user-panel data rather than synthetic test prompts, per PPC Land.
Via PPC Land ↗ · Sep 3 · · Engines, Research
Sensor Tower found ad density on ChatGPT rose 163% between April and August 2026, averaging 26% monthly growth, with about 1,200 unique advertisers active…
Via PPC Land ↗ · Sep 3 · · Engines, Research
A Productrise study of 2 million-plus product listings tracked Aug 9-31, 2026 found Google AI Mode prices averaged 21.6% higher than matching items in…
Via Search Engine Journal ↗ · Sep 3 · · Research, Google Search, AEO
A new arXiv preprint introduces Counter-GEO-Bench, a benchmark for testing whether AI safety guardrails catch misinformation delivered through generative…
Via arXiv GEO ↗ · Sep 2 · · Research, GEO
A technical audit of 50 major websites across retail, SaaS, travel, publishing and finance — run by SALT.agency and published by Search Engine Journal…
Via Search Engine Journal ↗ · Sep 1 · · Research, AEO, LLMEO
Across the 400-plus news publishers NewzDash tracks, Google Discover supplied 67.51% of Google traffic in the fourth quarter of 2025 against 27% for Web…
Via Advanced Web Ranking ↗ · Aug 31 · · Research, Google Search, SEO
The largest public measurement of citation drift re-sampled 82,619 prompts weekly for 17 weeks, from December 17, 2025 to April 8, 2026, producing…
A new arXiv preprint describes PersonaGen-1M, a corpus of 1,031,732 synthetic buyer personas spanning 511 industry labels and 4 market contexts, built to…
Via arXiv GEO ↗ · Aug 30 · · Research, GEO
A new arXiv preprint introduces CHASE, a simulation framework testing what happens when content creators repeatedly rewrite documents to match…
Via arXiv GEO ↗ · Aug 31 · · Research, GEO
Common Crawl analyzed 584,107 llms.txt files gathered in its July 2026 crawl archive and found 68% were produced by templates or SEO plugins — Wix alone…
Via Common Crawl Blog ↗ · Aug 31 · · Research, AEO, LLMEO
ChatGPT's top five cited domains for health questions are all government agencies or hospital systems, with YouTube absent from its top ten, while Google…
Via BrightEdge Blog ↗ · Aug 31 · · Research, AEO
A listicle with an old or unreadable publish date had 56% lower odds of reaching the Google top 3, the single strongest factor in a Growth Memo analysis…
Via Growth Memo (Kevin Indig) ↗ · Aug 31 · · Research, Google Search, SEO
A paper posted to arXiv on August 27 formalizes generative-engine-optimization strategy selection as a competitor-aware problem: as adoption of…
Via arXiv GEO ↗ · Aug 27 · · Research, GEO
An agent arriving at a site raises three questions in order: who are you, may you read this, and may you buy.
Via Agentic Commerce Protocol ↗ · Aug 30 · · Research, Engines, AEO
Two measurements published nine days apart describe the same mechanism, and neither one names the other.
Via PPC Land ↗ · Aug 30 · · Engines, AEO, Research
Seer Interactive tracked 1,562 branded prompts about its own company across six AI platforms — ChatGPT, Claude, Gemini, Perplexity, Google AI Overviews…
Via Seer Interactive ↗ · Aug 27 · · Research, AEO
BrightEdge's latest weekly AI-search analysis, covering May 17-August 2, 2026 across Google AI Overviews and ChatGPT in nine industries, finds that…
Via BrightEdge Blog ↗ · Aug 27 · · Research, AEO
Promptwatch put per-engine numbers to Reddit's citation decline on August 20: its share of ChatGPT Search citations fell from an average 3.83% (July…
Via Promptwatch ↗ · Aug 20 · · Research, Engines, AEO
Testing GPT-4o-mini, Claude Sonnet and Gemini on skincare product recommendations, researchers Xi Chu and Yupeng Hou found that when competing products…
Via arXiv GEO ↗ · Jun 16 · · Research, GEO, AEO
Google's share of listicles holding position 1 fell from roughly 19-20% in January 2026 to about 15-16% in August, while top-3 listicle rates dropped from…
Via Growth Memo (Kevin Indig) ↗ · Aug 24 · · Research, Google Search, SEO
Profound's analysis of 24,135 responses collected July 13–23 found Claude searched the web in over 93% of responses versus just 13% for Claude Code, and…
Via Profound research blog ↗ · Aug 24 · · Research, AEO, Tools & Vendors
Adthena analyzed nearly 850,000 US and UK AI search queries from March to May 2026 and found retail and fashion queries drew 39% of observed US ad…
Via PPC Land ↗ · Aug 24 · · Engines, Research
A Fractl survey of 343 U.S. marketing decision-makers found 81% still refer to their AI search strategy internally as "SEO," with only 27% having formally…
Via Search Engine Land ↗ · Aug 24 · · Research, AEO, SEO
A Norly Research audit of 4,776 food-service venues across two Bali submarkets found ChatGPT, Gemini, Claude and Perplexity failed to recommend at least…
Via PPC Land ↗ · Aug 23 · · Research, AEO
Google's own testing shows AI Overviews' generated interfaces beating the top organic search result in 90% of head-to-head comparisons, per Search Engine…
Via Search Engine Journal ↗ · Aug 21 · · Google Search, AEO, Research
Pew Research analyzed almost 500,000 English-language pages from the Common Crawl archive using the Open Pangram detection tool, finding 10% of a July…
Via TechCrunch AI ↗ · Aug 20 · · Research, AEO
Google AI Overviews links to a timestamped moment in 50% of its YouTube citations and to Shorts in 17.5%, versus 0.6% and 1.1% for ChatGPT, according to a…
Via BrightEdge Blog ↗ · Aug 20 · · Research, AEO
A Steady Demand analysis of 14,472 AI citations across 1,487 local search queries in the 50 largest U.S. metros found business websites accounted for…
Via Search Engine Land ↗ · Aug 19 · · Research, AEO
Profound analyzed more than 158,000 AI-generated brand claims through its FactCheck tool and found inaccuracy rates of 4.3-6.8% across engines, with…
Via Profound research blog ↗ · Aug 17 · · Research, AEO
An SEO tested crawler discovery on a 2,400-page site by splitting internal links between hard-coded HTML and JavaScript-injected versions, then logging…
Via Search Engine Land ↗ · Aug 19 · · Research, AEO, Tools & Vendors
An independent analysis of raw traffic from a ChatGPT Plus account found the model injects brand names into its own search queries that the user never…
Via PPC Land ↗ · Aug 18 · · Research, AEO, LLMEO
Commercial intent in ChatGPT conversations rose from 13.9% to 19.2% between June 2025 and June 2026, per Profound's analysis of 7.5 million…
Via Profound research blog ↗ · Aug 13 · · Research, AEO
A nine-month GA4 tracking study of 51,200 clicks across 1,661 AI Overview-cited snippets found an average of 22.4% of that traffic was misattributed to…
Via Search Engine Land ↗ · Aug 18 · · Research, AEO
An Ahrefs analysis spanning roughly 15 million data points found 97% of sites' llms.txt files were never read by AI crawlers and that adding schema markup…
Via Search Engine Journal ↗ · Aug 18 · · Research, AEO, LLMEO
A GEOFlagBench study — 3,200 pages spanning eight GEO optimizer families — trained a detector, Intervention-Paired Training on ModernBERT, that raised F1…
Via arXiv GEO ↗ · Aug 17 · · Research, GEO
A Fractl analysis of 4,320 AI responses to 96 industry prompts across GPT-4o, Gemini 2.5 Flash and Claude Sonnet 4.6 — drawn from roughly 8,500 unique…
Via Search Engine Land ↗ · Aug 17 · · Research, AEO
A new Google research paper finds that encoding isn't the bottleneck for LLM fact recall — frontier models including Gemini-3-Pro and GPT-5 encode 95-98%…
Via Search Engine Journal ↗ · Aug 17 · · Research, AEO
Reddit's tracked search footprint expanded roughly 33x between June 2025 and February 2026, and its AI citations grew about 84% between February and July…
Via BrightEdge Blog ↗ · Aug 13 · · Research, AEO
Google AI Overviews and ChatGPT cite different assets within the same social platforms, not just different domains, according to a BrightEdge analysis of…
Via BrightEdge Blog ↗ · Aug 13 · · Research, AEO
A new paper models the escalating cycle of publishers rewriting content to chase generative-engine citations — which can degrade document quality and…
Via arXiv GEO ↗ · Aug 11 · · Research, GEO
AI assistants including ChatGPT, Gemini, Google AI Overviews, AI Mode and Microsoft Copilot described real brands more positively when their names scored…
Via Peec AI blog ↗ · Aug 11 · · AEO, Research
A study by SE Ranking of more than 50,000 commercial prompts across 20 niches found ads appeared on 25.94% of them, with 14.35% of those ads unrelated to…
Via Search Engine Land ↗ · Aug 10 · · Engines, Research
UGC platforms accounted for 17.1% of domains cited in ChatGPT answers to SaaS buying queries — more than four times publishers' 4.0% — and outcited review…
Via Growth Memo (Kevin Indig) ↗ · Aug 10 · · Research, AEO
AI tools now lengthen the purchase decision for 42% of US shoppers who say they research more before buying, per an RTB House survey of 1,840 US and…
Via PPC Land ↗ · Aug 10 · · Research, AEO
Gen Z consideration of Claude climbed from 14.2% to 28.1% and of OpenAI from 10.1% to 22.1% between Q1 and Q2 2026, per YouGov BrandIndex data reported by…
Via Search Engine Journal ↗ · Aug 7 · · Research, AEO, GEO
Seer Interactive analyzed 47,097 citations across ChatGPT, Gemini and Perplexity for four brands over a four-month window and found 75% of cited pages had…
Via Seer Interactive ↗ · Jul 24 · · Research, AEO
Google AI Mode's mentions of publisher sites fell nearly in half over the 30 days ending July 15, 2026, while mentions of retailers like Home Depot and…
Via Growth Memo (Kevin Indig) ↗ · Aug 6 · · Research, Google Search, AEO
Optimove's survey of 648 U.S. consumers found 72% regularly or occasionally use AI tools such as ChatGPT, Claude or Gemini for gift ideas and shopping…
Via PPC Land ↗ · Aug 5 · · Research, AEO
Just 40% of U.S. searches and 40.7% in the EU/UK sent a click to the open web in June 2026, a record low, per Datos and SparkToro's Q2 State of Search…
Via Search Engine Journal ↗ · Aug 3 · · Research, AEO, SEO
The Association of Online Publishers' AI Publisher Impact Study, conducted by Ipsos among 1,000 UK adults and reported by Press Gazette, finds trust in an…
Via Press Gazette AI ↗ · Jul 27 · · Research, AEO
A geoSurge study found AI models search for familiar brands 3.2 times more often than unfamiliar ones — 55.7% versus 17.4% of the time — per Search Engine…
Via Search Engine Land ↗ · Jul 30 · · Research, AEO, GEO
A new Similarweb report finds 95% of ChatGPT's 494 million users also used Google during the same March-to-May 2026 span, per Search Engine Journal…
Via Search Engine Journal ↗ · Jul 30 · · Research, AEO, SEO
Kevin Indig analyzed six months of ChatGPT citation data from Semrush — 1,094 U.S. categories, five prompts each, over 50,000 brands and 600,000-plus…
Via Search Engine Journal ↗ · Jul 29 · · Research, AEO
Pillarbase analyzed 15.7 million Google AI Mode citations across 148 industries over a year, per a study published via Search Engine Land.
Via Search Engine Land ↗ · Jul 29 · · Research, AEO
Writesonic analyzed roughly 16 million brand appearances across seven AI answer engines over a 30-day window and found citations frequently reference…
Via Search Engine Land ↗ · Jul 29 · · Research, AEO
AI Overviews surfaced in 43% of Google searches, up from 15% a year earlier, according to a Similarweb analysis reported by TechCrunch.
Via TechCrunch AI ↗ · Jul 27 · · Google Search, Research, SEO
Google's AI & Economy ATLAS report, built with Google DeepMind researchers, compared 14.65 million Gemini app, AI Mode and Gemini API conversations from…
Via Search Engine Journal ↗ · Jul 25 · · Research, Google Search, AEO
An audit of 71 verified businesses on Prince Edward Island, scored against a modified E-E-A-T framework, found the average business met only 15.6% of AI…
Via Search Engine Land ↗ · Jul 24 · · Research, AEO
Researchers introduce GPE, a multi-domain fact-verification benchmark and evaluation framework that lets evaluators control evidence sources and poisoning…
Via arXiv GEO ↗ · Jul 22 · · Research, GEO
Ahrefs published July citation-share rankings of the most-cited websites in Google AI Overviews, AI Mode, Gemini and Perplexity, tracked across US queries…
Via Ahrefs Blog ↗ · Jul 21 · · Research, AEO
A Semrush analysis of ChatGPT visibility across 50,000 brands finds most topics still have no clearly dominant brand, and argues AI visibility accrues at…
A critical survey of 45 studies frames GEO as a stochastic, partially observable pipeline spanning retrieval, citation, prominence and user behavior — not…
Via arXiv GEO ↗ · Jul 15 · · Research, GEO
A new arXiv paper outlines design principles for sites AI web agents can reliably read, act on, and decide with — machine readability, actionability…
Via arXiv GEO ↗ · Jul 13 · · Research
