Google Dynamically Expanding AI Overviews for Some Queries

Google dynamically expanding AI Overviews for some queries gives searchers a fuller answer before they reach ordinary results, while businesses can still monitor visibility by tracking which queries trigger the format, whether their pages receive citations and how click-through behavior changes.

The expansion removes the usual "Show more" control, can open the "Ask anything" prompt and pushes traditional links farther down the page. Google said on August 28, 2026, that the behavior applies only when its systems judge a longer response to be useful, and the company has not disclosed the percentage of affected queries.

What changed in Google Search?

The usual AI Overview opens as a shortened response that requires another click. For selected searches, Google now loads a more complete response by default. The expanded state may include an "Ask anything" box for follow-up questions, reducing the screen space available to organic results and advertisements above the fold.

The company avoids disrupting a searcher who has already passed the answer. If the person starts scrolling toward content below the Overview, Google cancels the expansion and keeps the reading position in place. Search Engine Roundtable reported on August 28, 2026 that Robby Stein of Google also responded about this on X that day.

Why is Google doing it?

A Google spokesperson told Search Engine Land on August 28, 2026, that Google systems determine which topics receive the fuller treatment. The company also said: "Our research has shown that with this dynamic experience, users find Search more helpful and engage deeper in follow-up exploration." Google did not provide the research sample, detailed findings, affected-query percentage or a timetable for wider use.

The format gives searchers more information without another action. An expanded answer may reduce the number of clicks. A business can appear as a cited source in an AI Overview without receiving a visit.

How large is the click effect?

A Pew Research Center analysis published July 22, 2025 examined browsing data from 900 U.S. adults and 68,879 unique Google searches conducted in March 2025. Of those searches, 12,593 produced an AI summary.

Among search visits with an AI summary, users clicked a traditional result in 8% of cases. That compared with 15% when no summary appeared. They clicked a source cited inside the summary in only 1% of visits to pages containing one. Browsing ended entirely on 26% of pages with an AI summary and 16% of pages with only traditional results.

The Pew study looked at AI summaries in March 2025, before the dynamic expansion was reported. A page can remain in the same organic position while a larger answer occupies more of the first screen, which is one reason to watch click-through rate and position separately.

What other changes are moving attention higher on the page?

Google is also making selected sources easier to reach from inside generated answers. In an update published October 15, 2026, Google said it was launching changes that would show inline links higher in responses more often. The Google blog said the purpose was to help ensure key sources were clickable when users needed them.

The company also said the use of its Preferred Sources feature had grown by more than seven times since the beginning of 2026.

How should businesses read the change?

Keep ranking and visibility separate

A stable average position does not show whether an expanded answer is covering the result. Track impressions, clicks, click-through rate and average position at query level so a CTR decline is not mistaken for a ranking loss.

Measure citations without assuming visits

Record whether a business is cited in an AI Overview and whether that citation produces an outbound click. Pew found that a cited source received a click in only 1% of visits to pages with an AI summary, making citation exposure a separate visibility measure.

Check intent and answer coverage

Group queries by what the searcher wants, such as informational, local or commercial. Dynamic expansion can appear more useful on some topics, but Google has not disclosed which query classes or percentage are affected.

What to measure now

1. Pull query-level impressions, clicks, click-through rate and average position from Google Search Console.
2. Separate queries that show expanded AI Overviews from similar searches that show the standard format.
3. Record citations in AI Overviews independently from outbound clicks, since both outcomes describe visibility differently.
4. Check scroll depth and outbound clicks for important query groups in the analytics platform already used by the business.

What to do this week

1. Export a list of active queries from Search Console.
2. Group the list by search intent so informational and commercial demand are reviewed separately.
3. Compare click-through rates week over week for each group.
4. Take screenshots of results pages for the queries that produce the most revenue.
5. Repeat the screenshots and comparison after two weeks, noting whether the page shows a short or expanded answer and whether the business is cited.

What to do now

1. Prioritize business pages that answer questions directly and accurately.
2. Confirm that essential contact details, service explanations and trust signals are visible on each page.
3. Use Search Console to identify whether clicks are changing on the queries that receive AI summaries.
4. Ask the person responsible for search reporting to document expanded results and citations by date.
5. Review the evidence again in two weeks before changing priorities based on a single search-page layout.

FAQ

Will Google expand every AI Overview?

Google said AI Overviews may dynamically expand for topics where its systems determine that a fuller response is most useful. The company did not disclose the percentage of affected queries or whether the treatment will cover more topics over time.

What happens when a user starts scrolling?

Google cancels the expansion when a user has already begun scrolling toward content below the AI Overview.

Why did Google introduce dynamic expansion?

Google said its research found that the dynamic experience made Search more helpful and caused users to explore follow-up topics in greater depth.

Related coverage

• Search Engine Land, "Google is dynamically expanding AI Overviews for some queries," August 28, 2026.
• Search Engine Roundtable, "Google AI Overviews Pushing Searchers Into AI Mode, Drops Show More Button," August 28, 2026.
• SEOteric, "Google Auto-Expanding AI Overviews Are Reshaping Search," 2026.
• Pew Research Center, "Google users are less likely to click on links when an AI summary appears in the results," July 22, 2025.
• Google, Updates to AI Mode, AI Overviews and Explore the web, October 15, 2026.

Related coverage

• Google AI Mode vs AI Overviews: Study Reveals Divergent Search Behavior – BizScoreAI
• Google’s AI Overviews Aren’t Protected Speech: A German Court Ruling That Could Reshape AI Search – BizScoreAI
• AI Overviews Are the New Map Pack: How Small Businesses Get Cited by Google’s AI – BizScoreAI

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