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Google AI Overview Citations Are Changing: What It Means for SEO

Google’s AI Overviews are changing how content is selected and shown in search results. A new study by Ahrefs shows that being in Google’s top 10 results is no longer a strong guarantee that your page will be cited in AI Overviews.

This is a big shift from last year. It means businesses, marketers, and content creators need to rethink how they approach SEO.

In this blog, we will explain the latest findings in very simple and clear language, and discuss what they mean for the future of search.

What Is an AI Overview?

AI Overviews are summaries that appear at the top of some Google search results. They use artificial intelligence to answer a question directly. These summaries often include links to websites as sources.

Earlier, most of these cited sources came from pages ranking on the first page of Google. But now, that pattern is changing.

What the New Study Found

The updated study by Ahrefs looked at:

  • 863,000 keywords

  • 4 million AI Overview URLs

Here are the key findings:

  • Only 38% of AI Overview citations came from pages ranking in the top 10.

  • Around 31% came from pages ranking between positions 11–100.

  • Another 31% came from pages ranking beyond position 100.

In simple words, more than 60% of the cited pages were not even on page one of Google.

Last year, Ahrefs reported that 76% of citations came from top-10 pages. That is a huge drop.

Why Did This Change Happen?

Ahrefs explains two main reasons.

1. Better Citation Detection

Ahrefs improved its method of tracking citations. This means it can now detect more sources used in AI Overviews. Some of the differences may be because older data missed certain citations.

So, part of the drop may not be a real change in Google’s behavior. It could simply be better data tracking.

2. Google’s “Fan-Out” Query Process

The second reason is more important.

Google may break a search query into smaller related queries. This process is called “fan-out.”

For example:

If someone searches:
 “Best diet for weight loss”

Google might break it into smaller sub-questions like:

  • Healthy foods for weight loss

  • Low-carb vs low-fat diet

  • Diet plans for beginners

  • Benefits of a protein-rich diet

The AI system may monitor results for all these smaller queries. Then it chooses pages that appear often across those related searches. 

This signifies that a page does not require ranking for the exact main keyword. It only needs to match some of the related sub-topics well. 

Google has not officially confirmed big changes in fan-out behavior. However, Google updated AI Overviews globally to Gemini 3 in January! You know what? That may have influenced how sources are selected. 

Different Studies Show Different Numbers

Another study by BrightEdge found only 17% overlap between top-10 rankings and AI Overview citations.

Earlier reports showed:

  • 75% overlap in late 2024

  • 54% overlap in October 2025

  • Now, 17% to 38% overlap in recent studies

This shows one clear thing: the relationship between ranking and citation is unstable and changing quickly.

YouTube Is Becoming Very Important


One of the most interesting findings is about YouTube.

Among the pages that did not rank in the top 100 but were cited in AI Overviews:

  • 18.2% were YouTube URLs

  • Overall, YouTube made up 5.6% of all citations

Ahrefs also reported that YouTube is now the most-cited domain in AI Overviews. Its presence has grown by 34% in the past six months.

Other studies also support this:

  • SE Ranking found that YouTube was the most cited domain for health-related AI Overviews in Germany.

  • In previous Ahrefs research, YouTube was frequently cited in AI Overviews, while AI Mode relied more on Wikipedia and Quora.

This trend shows that video content is becoming more important in AI-generated answers.

Even if videos do not rank highly in traditional search results, they may still be used by Google’s AI.

What This Means for SEO

This change is very important for website owners and marketers.

1. Ranking #1 Is Not Enough

Earlier, the main goal of SEO was to rank in the top 10. That is still important for traffic.

But now, ranking well does not guarantee you will be cited in AI Overviews.

Google’s AI may select content from page two, page five, or even deeper.

2. Topic Coverage Is More Important Than Single Keywords

Google may examine your content across multiple related questions because of the fan-out process. 

In place of focusing on:

  • One keyword

  • One blog

You should concentrate on:

  • Covering a whole topic

  • Answering related questions

  • Creating detailed and well-ordered content

It may appear more often in fan-out results if your content supports many sub-topics. 

3. Multimedia Content Matters

The rise of YouTube citations shows that Google’s AI values different formats.

This means you should consider:

  • Creating video content

  • Embedding videos in blog posts

  • Explaining topics visually

AI systems may pull information from videos even when they are not ranking highly in search results.

4. Traditional SEO Metrics Are Not Enough

Earlier, marketers tracked:

  • Keyword position

  • Page authority

  • Backlinks

Now, these metrics may not fully explain AI visibility.

You may not rank on page one, but still be cited in an AI Overview.

This creates a new challenge:

How do we track and optimize for AI citations?

The industry is still learning.

Why This Change Is Happening

Google’s goal is to provide the best answer, not just the highest-ranking page.

AI systems are designed to:

  • Understand context

  • Combine information from multiple sources

  • Answer questions directly

If a page gives a clear answer to a sub-question, it may be selected even if it does not rank highly.

This approach may improve answer quality, but it makes SEO more complex.

What Should Businesses Do Now?

Here are simple steps to adapt:

1. Create Comprehensive Content

Write content that covers:

  • Main topic

  • Related subtopics

  • Frequently asked questions

Think about what users may ask next.

2. Use Clear Structure

Use:

  • Headings

  • Bullet points

  • Short paragraphs

  • Direct answers

AI systems prefer content that is easy to understand and extract.

3. Add Video Content

Since YouTube is often cited, consider:

  • Publishing videos

  • Explaining your content visually

  • Creating educational tutorials

This increases your chances of being cited.

4. Focus on Authority and Trust

Even if rankings shift, trust still matters.

Build:

  • High-quality backlinks

  • Strong brand reputation

  • Accurate and well-researched content

AI systems still rely on trusted sources.

Looking Ahead

The gap between organic rankings and AI citations may grow even wider.

SEO will need to focus more on these things if fan-out queries continue to influence source selection: 

  • Topic authority

  • Content depth

  • Multi-format publishing

The fast pace of change means businesses must stay updated and flexible.

You can also read: Why Google May Not Use Your Sitemap

Final Thoughts

The new data from Ahrefs shows a major shift in how Google selects sources for AI Overviews.

Only 38% of citations now come from top-10 ranking pages. Many cited sources are found beyond page one. YouTube is becoming a powerful player in AI-generated answers.

This means SEO is no longer only about ranking high for one keyword. It is about covering a topic completely, answering related questions, and using multiple content formats.

The search landscape is evolving quickly. Those who adapt early will have a strong advantage in the future of AI-driven search.