Market analysis

· 12 min

Google Search in October 2026: the page changed more than the ranking

Google has not confirmed a core update since May. In the same months it merged AI Overviews into AI Mode, changed AI Mode's model twice, rebuilt its results in Europe and made itself harder to observe. Rankings explain less of what happens on the page than they did a year ago.

Google & Search
AI30%GOOGLE & SEARCH50%PPC3%ANALYTICS12%BRANDS5%
Topic radarSelect a topic to filter the archive. The radar shows how this issue's words divide across the topics.

Signal readout

Topic mix

  • AI: 30%
  • Google & Search: 50%
  • PPC: 3%
  • Analytics: 12%
  • Brands: 5%
  • AI30%
  • Google & Search50%
  • PPC3%
  • Analytics12%
  • Brands5%

Share of the issue's words about each topic, counted section by section.

Why it matters

Report on the page, not only the position. Rankings moved least this year; AI answers, link designs and European results moved most. Pair positions with Search Console's AI impressions and Bing's citation data, and annotate model changes in AI Mode on 2 September and 13 October beside any change in traffic.

The short answer

What
A reading of Google Search and its rivals in mid-October 2026: algorithm updates, AI Overviews and AI Mode, Search Console's AI reporting, court cases and EU rules, market share, click-through data and the state of rank tracking.
Why
Because most of what changed this year changed on the results page rather than in the ranking. A practice that reports positions alone is measuring the part of Search that moved least.
Who
SEO and GEO practitioners, publishers, and anyone who reports search performance.
Where
Global, with the European Economic Area treated separately where Google now serves different results, and US court cases where they apply.
When
July to 16 October 2026, against the year since January.
How we know
From the Google Search Status Dashboard, the Search Central blog and Google's own posts, court and European Commission documents, Statcounter, clickstream and CTR studies (SparkToro with Similarweb, Advanced Web Ranking, Chartbeat), and the trade press. Every source is listed at the end.

In plain words

Google used to be a list of ten links, and SEO was about being high on that list. Now Google often answers the question itself, with an AI summary or a chat, and the links sit inside or below it. Google keeps changing that answer part much more often than it changes the list. So checking where your page ranks tells you less than it used to about whether people see you.

The ranking has been quiet. Google's Status Dashboard lists two broad core updates this year, in March and May, and none since 2 June. The results page has not been quiet at all. Since May, AI Overviews and AI Mode have been merged into one experience, AI Mode has changed its model twice, the European results have been rebuilt, links inside AI answers have been redesigned, and Google has become markedly harder for third-party tools to watch.

This analysis takes the year in that order: what Google changed in ranking and policy, what it changed on the page, what site owners can and cannot see, what the courts and regulators are doing to it, and what the click data says. It ends with our reading of what this means for anyone who reports on Search.

Updates: core quiet, spam busy

Seven confirmed updates so far in 2026: a Discover core update on 5 February, the first ever aimed at Discover alone; spam updates in March, June, August and September; and core updates starting 27 March and 21 May. The pattern since May is enforcement, not re-ranking.

The September spam update stands out. It began on 24 September and ended on 8 October, taking 13 days and 16 hours, where every other spam update this year took between 19 hours and under three days. Google applied it globally and in all languages and did not say what it targeted. Trackers saw it land in three waves, the last of them, on 4–6 October, hitting news, Discover and Google News sites hardest. After the August spam update Semrush counted 16.71% of URLs that had ranked in the top ten falling below position 100.

UpdateStartedDuration
Discover core update5 Feb21 days 17 h
March spam update24 Mar19 h 30 min
March core update27 Mar12 days 4 h
May core update21 May11 days 21 h
June spam update24 Jun2 days 1 h
August spam update18 Aug2 days 16 h
September spam update24 Sep13 days 16 h

The policy changes point the same way. Back-button hijacking became an explicit spam violation, enforced from 15 June. On 1–2 October Google rewrote two documentation pages: the helpful-content guidance now names fabricated creator profiles, with AI headshots, invented names or false credentials, as deception, and the guidance on generative AI content says it is critical to fact-check and review all AI-generated content by hand. In May Google published a guide to its generative AI features that dismissed several AEO and GEO claims and repeated that ordinary SEO practice remains the foundation.

Our reading: Google is drawing the line around scaled, templated and impersonated content, and it is doing so through spam enforcement and documentation rather than through core updates.

The page: AI Mode becomes Search

At I/O on 20 May Google said AI Mode had passed 1 billion monthly users and that AI Overviews and AI Mode were becoming one experience, which went live worldwide. Gemini 3.5 Flash became AI Mode's default model then; Gemini 3.8 Flash replaced it on 2 September; Gemini 4 Argon arrived on 13 October for paying subscribers. Three models in five months means three different readers deciding which sources an answer uses.

The design of the links has changed too. On 22 September Google was seen testing links inside AI Overviews that open AI Mode with a follow-up question instead of the source page. On 15 October it went the other way for publishers: inline links now appear higher and more often in AI Mode and AI Overviews, "Dive deeper" links get thumbnails, and article and Preferred Sources carousels are expanding. Google said use of Preferred Sources has grown sevenfold since launch. It also began testing an "official sites" section at the top of answers.

Brand searches are no longer exempt. Chris Long found an AI Overview on 93% of about 100 brand-name queries he tested, and DemandSphere said AI Overviews on branded queries tripled in September.

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What site owners can see

Search Console gained its first AI reporting this year. The generative AI performance reports, announced on 3 June and available to every site from 31 August, count impressions in AI Overviews, AI Mode and Discover's generative features by page, country, device and date. They show no clicks and no queries. John Mueller acknowledged in September that Search Console treats an AI Overview as a block rather than reporting where an individual link sits, because position there is hard to make useful.

A new control lets a site leave AI Overviews, AI Mode and Discover's generative features entirely, including as grounding; Google says using it is not a ranking signal, and it does not cover training, which remains Google-Extended. Smaller additions: social and video platform properties (29 July), a web multimodal filter for Lens and Circle to Search (24 September), and filtering by several countries and devices at once (6 October).

Bing is further ahead on the same problem. Its AI Performance report, in preview since February, shows how often a site is cited in Copilot and Bing's AI answers, with grounding queries; on 13 October Microsoft added Topics Portfolio, which groups those queries into topics, estimates each topic's size and lists queries where competitors are cited and you are not. Microsoft calls the figures directional. For a site that wants to know what AI answers do with its pages, Bing Webmaster Tools is currently the more informative of the two consoles.

What third parties can see

Watching Google from outside became much harder from 13 September. Rank trackers reported failing requests and reduced collection, including Nozzle, SISTRIX and Semrush. Nozzle then measured something worse than missing data: of 17.8 million Google results pages it collected from 13 September to 9 October across 49 countries, 8.0% were complete pages with the wrong results, against a 0.17% baseline, peaking at 27.0% on 29 September and running at 4.2–11.4% a day since 1 October. Google has not commented. We covered the report in the 12 October issue.

Our reading: any third-party figure about Google from mid-September on, including how often AI Overviews appear, needs to say how it was observed and how many observations it rests on.

Courts and regulators

In the US search case, Judge Mehta's remedies from 2025 require Google to share parts of its index and user data with rivals under a technical committee, and rejected divesting Chrome or Android. Both sides have appealed; on 28 July the DOJ and states asked the D.C. Circuit for harsher remedies, including the ban on default-placement payments that Mehta declined, and on 5 October Google and the DOJ jointly asked for the appeal to be prioritised, with argument as soon as 9 December. In the ad tech case, Judge Brinkema's remedy of 2 September rejected selling AdX and instead rewrote its auction rules; that is covered in our PPC analysis. On 30 September Mehta also dismissed Penske Media's and Chegg's federal antitrust claims over AI Overviews: "an expectation is not an agreement."

Europe is now a different search engine. The Commission fined Google €890 million under the Digital Markets Act on 23 July, €460 million of it for self-preferencing in shopping, hotel, transport and sports results. On 8 September Google rolled out rebuilt commercial results across the EEA, with separate units for aggregators and suppliers; its own Nick Fox said the changes degrade the experience for Europeans. A DMA specification decision of 16 July requires Google to share anonymised ranking, query, click and view data with rivals, including AI chatbots with search functions, from January 2027; Google appealed on 29 September. Google also stopped applying site-reputation-abuse manual actions in the EEA from 30 August, while applying them elsewhere. In the UK the CMA has proposed a search choice screen on Android and Chrome that could include AI assistants, with a decision expected by the end of the year.

Share and clicks

Google's share of worldwide search was 89.94% in September in Statcounter's data, down from a 2026 high of 91.32% in July; Bing reached 5.29%, its highest in two years. One month is not a trend. Google's search revenue is not under pressure: Alphabet reported Search and other revenue of $63.27 billion for Q2, up 17%, and Sundar Pichai said AI features are driving query growth.

The clicks tell the other half. SparkToro's analysis of Similarweb clickstream found 68.01% of US Google searches ended without a click in January–April 2026, against 60.45% in 2024, and only 0.34% of searches reached AI Mode. Advanced Web Ranking's July data shows AI Overviews on about 43% of US desktop results; searches with an AI Overview were 74.3% zero-click, against 53.6% without, and the first organic result's click-through rate was 9.69% with an AI Overview against 20.02% across all results. Chartbeat measured Google Search referrals to publishers down 40.2% year on year to July 2026, and Discover down 34.3%. A preregistered field experiment published in August, with about 1,100 participants, found that removing AI Overviews and AI Mode increased clicks to publishers, and that an AI-Mode-only experience reduced both clicks and trust.

What it adds up to

This section is our reading, not a measurement.

  • Revenue and traffic have come apart. Search revenue grew 17% while publisher referrals fell about 40%. The 15 October link changes look like a response to that pressure, not a reversal of it.
  • The answer is the new ranking surface. Being one of the sources an AI answer uses now matters as much as being high on the list, and it changes with the model, not only with the index.
  • First-party data improves while independent observation degrades. Google gives site owners AI impressions and an opt-out, and gives third parties blocked requests and altered pages. Measurement that does not depend on scraping Google is worth more than it was.
  • Spam enforcement is the active policy lever. Four spam updates, the last seven times longer than usual, plus documentation aimed at fake authors and unchecked AI text.
  • Europe needs its own baseline. Different commercial units, different enforcement and, from January, shared data with rivals. A cross-market comparison without an EEA caveat compares two different products.

What to watch

  • A core update before the end of the year; there has been none since May.
  • Whether the 15 October link changes show up in Chartbeat's and SparkToro's click data.
  • Whether Search Console adds clicks or queries to its AI reports.
  • The D.C. Circuit's hearing date, the ad tech final judgment, and the CMA's decision.
  • Alphabet's Q3 results at the end of October.

To see which passages of a page an AI retriever can actually use, Vectorscope reads it the way a retriever does.

Questions people ask

When was the last Google core update in 2026?

The May 2026 core update, which ran from 21 May to 2 June. The only other broad core update this year began on 27 March. Since June Google has released spam updates instead: in June, August and September, the last of which ran from 24 September to 8 October.

Does Search Console show clicks from AI Overviews and AI Mode?

No. The generative AI performance reports, available to all sites since 31 August 2026, show impressions in AI Overviews, AI Mode and Discover's generative features by page, country, device and date. They show no clicks and no queries, and an AI Overview is counted as a block rather than by link position.

How many Google searches end without a click in 2026?

SparkToro's analysis of Similarweb clickstream found 68.01% of US Google searches ended without a click in January–April 2026, up from 60.45% in 2024. Advanced Web Ranking's July data shows 74.3% zero-click searches when an AI Overview appears, against 53.6% without.

Are Google results different in Europe now?

Yes. Since 8 September 2026 Google serves rebuilt commercial results across the EEA, with separate units for aggregators and suppliers, following the Digital Markets Act. Site-reputation-abuse manual actions stopped applying in the EEA from 30 August, and data sharing with rivals is due from January 2027.

Sources

Every claim above is dated and linked. Where a number comes from a measurement rather than an announcement, whoever measured it is named.

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Author

Olexandrauthor

15+ years in marketing and SEO. Dozens of products, mostly the US market. Research and measurement.

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