Where the contested questions get settled.
Most writing about AI visibility is a thin definition wrapped around a lead form, or a confident take that the data does not support. Notes is the opposite: dated, sourced dispatches on the questions the field argues about — and gets wrong — written the way we tell clients to write, so the engines that we cover can cite them. No gate, no fluff, the contested parts flagged as contested.
Published
strategy · June 11, 2026
The organic window is not being replaced — it is splitting: AI ads and citation
The panic headline says AI ads are closing the organic window. 2026 says otherwise: OpenAI put ads below the answer, Perplexity pulled them, Anthropic refused, Google integrated them. Ads and citation are separate lanes — and earned authority is the bet you never re-place.
Read →measurement · May 28, 2026
Measuring AI visibility without fooling yourself: leading indicators and the limit of tools
AI citation is non-deterministic and the tools sample an infinite prompt space, so most dashboards measure noise. The honest way: trend over level, crawl logs as a leading indicator, referrals as confirmation.
Read →the distinction · May 7, 2026
SEO is not being replaced — it is decoupling: the 70%-to-under-20% story
The overlap between what ranks in Google and what AI engines cite has fallen from ~70% to under 20%. SEO is not dying; it is decoupling into a separate discipline. What that means for where you spend.
Read →the technical layer · April 16, 2026
What llms.txt actually does in 2026 (and what it doesn’t)
One camp sells llms.txt as a ranking factor; the other calls it snake oil. The 2026 data supports neither. The honest verdict — not a search-citation lever, but a real agent-to-agent signal — with the sources.
Read →diagnosis · March 25, 2026
Why AI doesn’t cite you: the three stages where a citation breaks
Most GEO advice tells you how to get cited. This is the opposite: a diagnostic map of why you don’t — parsing, fetching, generation — built on the first systematic taxonomy of citation-failure modes.
Read →the data · March 4, 2026
The five-domain myth: concentration and the long tail in AI citations
“Reddit gets 40% of citations” and “no domain exceeds 5%” are both true, from different 2026 datasets. How concentration and the long tail coexist — and what it means for a brand that isn’t a giant platform.
Read →measurement · February 24, 2026
The Great Decoupling: your rankings held, your clicks left
Impressions at record highs, clicks falling, rankings untouched. The Great Decoupling explained: why it happens, what the February numbers show by vertical, and what to measure when the click can no longer be trusted on its own.
Read →mechanism · January 27, 2026
Google AI Mode: one question becomes sixteen, and you are cited or invisible
AI Mode runs on Gemini 3 as of January 2026 and shows no blue links: you are cited or invisible. It works by query fan-out — one question split into a dozen-plus concurrent sub-searches. How it works, and how a deep page wins sub-questions it never targeted.
Read →access · December 15, 2025
Block the AI crawlers and you vanish from the answers they feed
Millions of sites blocked AI bots in 2025 — but "block the AI crawlers" hides a distinction. GPTBot trains; OAI-SearchBot and PerplexityBot cite you. Block the wrong one and you delete yourself from the answers. The training-vs-retrieval call, bot by bot.
Read →off-page · November 18, 2025
For AI, being mentioned beats being linked: the 0.664 vs 0.218 gap
A 75,000-brand study found web mentions correlate with AI visibility at 0.664 and backlinks at just 0.218 — roughly 3x. AI reads your brand as an entity built from language, not the link graph. Why earned mentions beat links, and where to move the budget.
Read →fragmentation · October 30, 2025
There is no "optimize for AI": each engine cites a different web
AI search is not one engine. A 6.8M-citation analysis found Gemini favors your own structured site (~52% brand-owned), ChatGPT leans on directories and references, Perplexity on industry directories and community. Low overlap — so there is no single AI playbook.
Read →community · September 23, 2025
AI quotes the forum, not your blog: why UGC is the most-cited source
In 2025 the most-cited AI source is not a brand blog — a 150,000-citation study put Reddit first at ~40%, ahead of Wikipedia, YouTube and Google. AI rewards the human signal of lived experience. Why community wins, the honest catch, and what to actually do.
Read →structured data · August 19, 2025
Schema and AI citations: useful, oversold, and not what they sold you
Microsoft says schema helps its LLMs; Google says it is not a ranking factor and calls it a stopgap; a 2024 study found no schema–citation correlation. What structured data really does (disambiguate your entity) versus what it is sold as (a citation lever), and how to do it without overpaying.
Read →content structure · July 22, 2025
AI doesn't read your page — it lifts a chunk. Write for that.
AI does not read your page top to bottom — it chunks it into passages and cites the ones that stand alone. A 2025 study found 40-75 word answers cited ~3x more. Answer-first writing, question-style H2s, and why ranking is not enough: the fix is usually structural, not authority.
Read →brand risk · June 24, 2025
Getting cited is not the goal if the citation is false
AI hallucinations attribute false claims to your brand, invent executive quotes, and misstate your product — in the same confident tone as the truth. 2024 studies found 58-88% on legal questions, and some newer models hallucinate more, not less. Measure accuracy, not just presence.
Read →conversational search · May 22, 2025
People stopped typing keywords and started asking questions
With AI Mode rolling out in May 2025, search shifts from telegraphic two-word keywords to full natural-language questions that pack intent, context and constraint into one query. Why this rewards being the authoritative answer to a decision over targeting a string.
Read →original data · April 22, 2025
The one thing AI cannot synthesise from somewhere else
Generative engines synthesise what already exists — they cannot produce primary data. Publish original numbers only you have (product telemetry, surveys, category benchmarks) and an answer that needs that fact has nowhere to go but you. Substance, not just format.
Read →terminology · March 20, 2025
The industry is naming the shift faster than the shift is changing
SEO, AEO, GEO, LLMO, AIO — the field is minting acronyms faster than the practice changes. What each actually means, where they overlap (most of it), and why the label matters far less than the shift from ranking links to being the source of an answer.
Read →research agents · February 18, 2025
When AI stops answering and starts researching
In February 2025 a new kind of AI reader arrived: the deep research agent (OpenAI on Feb 3; Google had one in Gemini since December 2024). Unlike a chat that cites a handful of sources, it reads dozens or hundreds and writes a cited report — rewarding depth and consistency over surface tricks.
Read →measurement · January 21, 2025
Stop asking what your position is in ChatGPT
AI responses are non-deterministic by design — the same prompt gives different answers each run — so there is no rank to track. Visibility is a probability of appearing, measured by sampling a prompt many times, not a fixed position. Stop chasing a number the system does not produce.
Read →retrieval · December 17, 2024
Two ways to show up in AI: remembered, or retrieved
On 16 December 2024 ChatGPT Search opened to all logged-in users — the most-used chatbot began searching the web and citing sources. There are now two ways to appear in AI: remembered, from training, or retrieved, live, with a clickable link you can measure.
Read →AI Overviews · November 19, 2024
When the generated answer reached a billion searchers
In late October 2024 Google rolled AI Overviews out to 100+ countries, Spanish included — a generated answer with citations, above the links, for over a billion searchers. Being one of the cited sources inside the answer is a new kind of visibility, on a different surface from the chatbots.
Read →digital PR · October 15, 2024
Why earning mentions matters more than polishing your own pages
Audits in 2024 show AI search leans on third parties — press, reference sites, communities — and rarely a brand’s own pages. So appearing in AI depends heavily on earned media: being mentioned by the sources the model already trusts. Digital PR, not on-site polish, is the lever.
Read →measurement · September 17, 2024
AI is shaping your buyers, and your analytics can’t see it
In 2024 LLMs became private research advisors for B2B buyers — and a chatbot conversation leaves no click, cookie or referral. The moment AI shapes a buyer is structurally invisible; when they arrive later it is mislabelled as direct or brand search. You measure this channel by proxy, or you value it at a false zero.
Read →GEO research · August 27, 2024
The study that named GEO, and what it proved works
At KDD 2024, the Princeton-led paper that coined Generative Engine Optimization gave the first controlled evidence of what works: adding statistics, citations and quotations lifts a source’s visibility by up to ~40%, while keyword stuffing drops below baseline — and the best method depends on the domain.
Read →entity & schema · July 23, 2024
The entity problem: recognised before cited
Engines reason about entities, not strings. Before an AI can cite your brand, it has to recognise you as a specific, disambiguated entity — in the knowledge graph, described the same way everywhere. The entity layer is the invisible foundation of AI visibility: recognition comes before citation.
Read →reliability · June 18, 2024
When the answer engine told people to eat rocks
In May 2024 Google’s AI Overviews told people to put glue on pizza and eat a rock a day — pulling a sarcastic Reddit joke and a satirical article in as fact. Hallucination is the nature of these systems, not a bug to be patched, and the quality of sources on your topic decides whether AI gets it right.
Read →earned authority · May 21, 2024
Your site says you’re good; reviews prove it — and AI trusts the proof
When a B2B buyer — or an AI answering for them — asks "what’s the best X for Y?", the answer comes from independent reviews and comparison platforms (G2, Capterra, TrustRadius), not your own site. Your site is an interested party; a peer review is evidence — and AI inherits that earned authority.
Read →geo strategy · April 23, 2024
Generative search has been telegraphing itself for a year
Generative search did not arrive overnight. Since May 2023, Google has tested it in public as SGE — a synthesized answer with cited sources, above the blue links. As of April 2024 it is still experimental, but the direction is unmistakable, and preparing to be a source it can quote is an early advantage.
Read →measuring honestly · March 19, 2024
Volume is not value: what the March 2024 update measures
On 5 March 2024 Google made "scaled content abuse" a spam policy — mass-produced pages built to manipulate rankings, whether written by AI, humans, or both. The lesson for AI visibility is one of measurement: count whether a page answers better than the alternatives, not how many pages you shipped.
Read →entity & schema · February 13, 2024
Parametric vs retrieval: where an AI knows you from
Google renamed Bard to Gemini this month and the debate was which model is smarter. For your brand, the question is which of an AI’s two memories the answer came from: the trained-in half you cannot edit, or the retrieved half you can.
Read →earned authority · January 16, 2024
Corroboration is the authority an answer engine trusts
A young answer engine raised at around a half-billion-dollar valuation this month on one promise: answer, and cite the sources. The citation reveals what authority an engine rewards — corroboration across credible sources, not one loud mention.
Read →geo strategy · December 12, 2023
Optimize for the question, not the model
Google launched Gemini this month and the leaderboard moved again. Chasing the model of the moment is a losing strategy — models churn every few months; the question your buyer asks does not. Build for the question.
Read →earned authority · November 24, 2023
What survives when the platform shakes
For five days this month the company behind ChatGPT nearly came apart. The reminder for brands: your position inside a platform is rented — the authority you earn off it is the part you own, and the part that survives.
Read →entity & schema · October 22, 2023
The engines learned to see
This month ChatGPT gained eyes — it can read the text inside an image. A layer of your work just stopped being invisible to machines: put real text in your pictures and keep your entity consistent across every mode.
Read →measurement · September 24, 2023
The answer won’t hold still
Bard began tailoring answers to your own Gmail and Docs. A generative answer is not one fixed thing you can look up: stop snapshotting a single response and start sampling the distribution — count how often you appear, not whether you appeared once.
Read →geo strategy · August 30, 2023
Your buyers brought AI to work
OpenAI gave companies a private, sanctioned ChatGPT. The barrier to AI at work was never interest — it was data risk — and removing it moves AI earlier in how your buyers research and shortlist. You now have a reader to satisfy before the human ever sees you.
Read →earned authority · July 20, 2023
Your authority doesn’t translate itself
Bard reached the EU and Brazil in 40+ languages. As the answer engines go multilingual, the reputation a model recognizes is built language by language — being well known in English does not make you known in Spanish. Earn depth where your growth buyers ask.
Read →measurement · June 20, 2023
The model knows an old version of you
OpenAI shipped newer models with function calling — and a knowledge cutoff still stuck in September 2021. A newer model is not newer knowledge: what a model memorized about your company can be years out of date. Measure what it says and keep your record straight.
Read →entity & schema · May 16, 2023
The snapshot quotes a sentence, not a page
At I/O, Google previewed a search that synthesizes one answer from several sources. The unit of use shrinks from the page to the sentence: a claim has to be self-contained and attributable to survive being extracted and recombined — or be misread, miscredited, or dropped.
Read →geo strategy · April 22, 2023
When the AI started acting, not just answering
Auto-GPT and BabyAGI went viral — experiments that let a model chase a goal on its own. They barely work: loops, hallucinated steps, burned budgets. But the direction is real, and the sober way to prepare is not a new tactic, it is the old hygiene: clear, verifiable, corroborated information.
Read →measurement · March 23, 2023
Ask the model what it says about you
GPT-4 landed and a capable model now sits in everyone’s browser tab. The cheapest first move on AI visibility: ask it about your own company and read the answer in four buckets — accurate, stale, invented, missing. A diagnosis, not a metric.
Read →earned authority · February 20, 2023
The model describes you in words you didn’t choose
The new Bing turned search into a conversation — and the shop window stopped being yours. A blue link showed the title and description you wrote; an AI answer paraphrases you in its own words and tone. You control the raw material, not the sentence.
Read →entity & schema · January 24, 2023
The model remembers you, or it doesn’t
ChatGPT became the fastest-growing consumer app ever — but it answers from memory, with no search, links or sources. There is no index to climb and no tag to tune. The model learned your entity from the public record, or it did not.
Read →geo strategy · December 12, 2022
The day search became an answer
A free chatbot went from launch to a million users in five days, and people started asking for an answer instead of a list. A list lets you compete for a spot; an answer includes you or it does not — and can include you wrongly. Where this archive begins.
Read →measurement · November 30, 2022
Position zero was already an answer
Long before any chatbot, search was already an answer: featured snippets, People Also Ask, position zero — but it cited its source. As November ends, two signals of where it accelerates: a science model pulled for confident falsehoods, and a research-preview chatbot on the 30th.
Read →earned authority · October 24, 2022
Authority isn’t a tag you add
The Helpful Content Update and this month’s spam update point the same way: search tells people-first pages from pages written for it. You cannot add E-A-T to a page — it is a reputation earned off the page, and that is the only kind that lasts.
Read →entity & schema · September 26, 2022
Don’t make the engine guess
Without structured data, the engine infers what your page is — and inference can be wrong. Schema lets you state the facts instead. It is not a ranking factor and never was; it is legibility, the difference between being read correctly and being guessed at.
Read →strategy · August 29, 2022
Would you write this if search didn’t exist?
The Helpful Content Update, rolling out now, turns a question that used to be philosophical into a ranking signal: are you writing for people or for the engine? It distils to one test — would you make this if search engines did not exist?
Read →measurement · July 29, 2022
The review you didn’t test shows
Google’s July product reviews update — the fourth in fifteen months — keeps rewarding evidence you actually used the product: original photos, real measurements, what the spec sheet left out. The engine is learning to measure the difference. The one you didn’t test shows.
Read →earned authority · June 13, 2022
A core update isn’t a penalty
The May core update finished this week, and the instinct is to ask what you did wrong. But a core update is not a penalty — it is a re-evaluation of relative quality, and dropped pages have nothing to fix. The only response that works is becoming a more authoritative answer, especially in YMYL.
Read →entity & schema · May 30, 2022
The engine might think you’re someone else
If another organisation shares your name, the Knowledge Graph can confuse the two of you — blending your signals, mixing your knowledge panel, crediting your authority to your namesake. Disambiguation is how you tell the engine which entity you are.
Read →measurement · April 25, 2022
Core Web Vitals won’t save weak content
Page experience reached desktop last month, and the temptation is to treat Core Web Vitals as a ranking lever. They are not — Google is explicit that page experience is a tiebreaker, not a substitute for great content. A fast page with weak content still loses.
Read →earned authority · March 21, 2022
The quality raters don’t grade your site
Google employs thousands of human quality raters — but their scores do not touch your ranking. They calibrate the algorithm in aggregate; no rater grades your page. Read the guidelines as the clearest public picture of what Google means by quality.
Read →strategy · February 21, 2022
A hundred links don’t beat one that matters
The instinct is to pile up backlinks. Since Penguin, Google weighs quality, relevance, and naturalness, not the count — one earned editorial link beats a hundred low-quality ones, which can actively hurt you. Authority from links is earned, not manufactured.
Read →entity & schema · January 17, 2022
Schema wins you the look, not the rank
The hope is that structured data lifts your position. It does not — schema is not a direct ranking factor. What it wins you is eligibility for rich results: stars, FAQs, breadcrumbs, prices that change how your result looks and can raise its CTR at the same position.
Read →earned authority · December 13, 2021
Your reputation is written where you can’t edit it
The trust in E-A-T is the one part of quality you cannot put on your own site. Google’s quality raters judge reputation from independent sources — third-party reviews, mentions, coverage — not your About page. When your claims conflict with the outside record, Google believes the outside.
Read →measurement · November 22, 2021
Average position is a story, not a number
Search Console’s average position is one impression-weighted figure across every query you appear for. It can rise while your valuable queries fall, and fall while nothing changed. Read alone — especially during a core update — it invents a story your traffic does not support.
Read →entity & schema · October 19, 2021
The title in the results isn’t always the one you wrote
Since late August 2021, Google rewrites the title link shown in results — pulling from your H1, other headings, prominent text, even anchor text — instead of always using your title tag. It is
Read →measurement · September 21, 2021
Core Web Vitals are a tiebreaker, not the prize
Google confirmed the page experience update finished rolling out in September 2021, making Core Web Vitals — LCP, FID, CLS — an official ranking factor on mobile. But it is a small one: a
Read →earned authority · August 24, 2021
Links you didn’t earn can be switched off
Google’s link spam update finished rolling out in late August 2021. The thing to understand is the mechanism: it does not punish your site for bad links — it nullifies them, switching off the
Read →entity & schema · July 13, 2021
A core update isn’t a verdict on your page
The July 2021 core update finished rolling out on 12 July, the second half of a core update Google split across June and July. The thing to understand is what it is and is
Read →measurement · June 29, 2021
Which update hit you? The fix depends on the answer
June 2021 was loud: a core update from 2–12 June and two spam updates on 23 and 28 June, constantly confused for one another. They are opposite kinds of event. A spam update is
Read →entity & schema · May 20, 2021
Write for an engine that understands, not one that matches
At I/O this month Google announced MUM, a language model it says is far more capable than BERT — multimodal, trained across many languages, built to handle complex questions. It is not deployed and
Read →earned authority · April 22, 2021
A good review earns its rank; a summary borrows it
Google’s first product reviews update finished rolling out this month. It rewards reviews that share insightful analysis and original research from someone who actually knows the product, and lets thin content that merely summarises
Read →entity & schema · March 9, 2021
Don’t make Google dig for your answer
Google’s passage ranking went live last month: it can now rank a single buried section of a long page for a query, even when the page as a whole is about something broader. Google
Read →earned authority · February 8, 2021
What Google says about you, before the click
Google’s new About this result panel went live this month. Tap the three dots beside a result and Google tells the searcher who the source is — a Wikipedia description if one exists, otherwise
Read →measurement · January 19, 2021
Most of the movement is noise, not signal
A core update finished rolling out last month, and now the dashboards are full of motion: rankings up, rankings down, every wobble inviting a story. But Google itself says positions are not fixed —
Read →entity & schema · December 8, 2020
If it isn’t on mobile, it isn’t indexed
Google has set the end of March 2021 as the point when every remaining site moves to mobile-first indexing. From then on it reads, indexes, and ranks your site from the mobile version —
Read →measurement · November 17, 2020
Six months’ notice is the work, not the wait
Google almost never tells you a ranking change is coming before it arrives. This month it did: the page experience signal will become a ranking factor in May 2021, about six months out. That
Read →earned authority · October 20, 2020
Cover everything, own nothing
At its Search On event this month, Google described how it now uses neural nets to understand the subtopics inside a broad interest — so a search for something general can return a spread
Read →entity & schema · September 24, 2020
Google indexes the document, not the design
Google quietly clarified this month that it may not index text placed in CSS content properties, because that text is not part of the DOM. It is a small note with a large principle
Read →earned authority · August 24, 2020
Your speed shows before they click
Google announced this month that Chrome for Android will start labelling links as a “Fast page” — a badge shown in the context menu, before anyone visits, for pages that have historically met the
Read →measurement · July 21, 2020
What your query report leaves out
Search Console has a quiet limitation worth understanding before you trust its numbers: it does not show you every query. Rare queries — the long-tail ones searched by very few people, and any that
Read →entity & schema · June 23, 2020
When Google can’t tell it’s all you
Google does not just index pages; it builds a model of the entities behind them — your company, the people in it, the things you make — by gathering signals from across the web.
Read →earned authority · May 29, 2020
Experience is a tiebreaker, not a substitute
Google announced this month that page experience — a new signal combining Core Web Vitals with existing UX factors like mobile-friendliness and HTTPS — will become a ranking factor next year. The detail that
Read →measurement · April 20, 2020
When the dip is the dashboard, not your site
Early this month Google confirmed a bug that de-indexed some pages and then disrupted Search Console’s reporting — coverage numbers fell, the URL Inspector lagged, dashboards showed drops. The pages were fine; the data
Read →entity & schema · March 23, 2020
Your link tags are hints now, not commands
As of the first of this month, the nofollow attribute stopped being a directive Google obeys and became a hint it weighs — joining the sponsored and ugc attributes announced last September. The rel
Read →measurement · February 17, 2020
What Google won’t confirm, it can reverse
Over the weekend of February 7–9 rankings shook hard — sites gained or lost top positions across every kind of niche — and by the 13th Google had quietly rolled almost all of it
Read →earned authority · January 27, 2020
You earn the snippet, not a second listing
On January 22 Google deduplicated featured snippets: a page elevated into the snippet no longer also appears in the ten blue links below it. What used to be “position zero” — a bonus box
Read →entity & schema · October 29, 2019
Context decides what your words mean
On October 25 Google announced BERT, which it calls its biggest leap in five years — a model that reads a query in both directions at once, so the words before and after a
Read →earned authority · June 9, 2019
You get two slots, not the whole page
In early June Google rolled out a site diversity change: for most queries it will no longer show more than two listings from the same domain in the top results. The measured impact was
Read →earned authority · August 12, 2018
The higher the stakes, the higher the bar
On August 1 Google rolled out a broad core update — the SEO community named it Medic — that hit health, medical, and financial sites hardest. A week earlier Google had updated its Quality
Read →measurement · March 4, 2011
Your thin pages drag down your good ones
In late February Google launched the update the industry first called Farmer and now calls Panda — a change that hit content farms and thin, low-value pages hard, touching nearly 12% of queries. The
Read →entity & schema · July 6, 2010
Being in the index is the starting line
In June Google announced Caffeine, a rebuilt indexing system that replaces the old layered, batch-refreshed index with a continuous, incremental one — about 50% fresher, and able to index a page soon after you
Read →The proof, not the pitch
The whole argument we make to clients is that AI engines cite content that answers a question directly, backs it with specifics, and comes from a credible, consistent source. A blog that hid its substance behind a form, or asserted things it could not source, would contradict the method on its own page. So Notes is written the way we would write for a client who wanted to be cited: answer-first, evidenced, and honest about what is genuinely unsettled.
That last part is the point of difference. The field is full of confident claims in both directions — llms.txt is everything, llms.txt is nothing; SEO is dead, GEO is just SEO. The useful truth is almost always in the middle, in the data, with the contested parts named as contested. The AC Group has earned attention online for 27 years by being the substantive source rather than the loudest one; Notes is that discipline applied to the questions this field keeps getting wrong.
On the desk
The next dispatches, each aimed at a question the field answers badly. These are in progress, not yet linked:
Reading is the first step. The audit is the second.
When you want to stop reading about AI visibility and see your own, the free snapshot shows how five engines name you today and what would move first. Forty-eight hours, no sales call.