Google's AI Mode Shows 91% URL Change Across Repeat Searches: A New SEO Challenge

A recent study has revealed something unexpected about Google’s AI-powered search experience. When users run the same query multiple times in Google’s AI Mode, the results change dramatically. In fact, 91% of the URLs vary across repeat searches for the same query.

This presents a shift in how search visibility works, with new opportunities and new complexities for SEO professionals, content creators, and digital marketers.

What Is Google AI Mode?

Google AI Mode is part of its evolving search ecosystem, where AI-generated summaries and conversational responses are returned for search queries. These answers often include citations and external links, but unlike traditional search results, they are dynamically generated and heavily context-driven.

Key Takeaways from the Study

The study, conducted by SE Ranking, analyzed 10,000 keywords to compare the behavior of AI Mode, AI Overviews, and traditional organic search rankings.

Top Insights

91% URL Change in Repeat Queries

• Only 9.2% of URLs overlapped when the same query was searched three times in AI Mode.

• This shows extremely low consistency and repeatability in AI-generated search results.

Low Domain-Level Stability

• Even at the domain level, the overlap was just 14.7%, meaning AI Mode often pulled different pages from the same site.

Limited Overlap with Organic Search

• Only 14% of URLs in AI Mode matched the top 10 traditional organic search results.

• Domain-level overlap was slightly higher at 21.9%.

• In 17.9% of queries, there was no overlap at all with organic results.

How AI Mode Selects Sources

The study also analyzed how AI Mode presents content:

• Average of 12.6 links per response

• Link formats:

  • Block citations (90.8%)

  • In-text links (8.9%)

  • SERP-style links (0.3%)

Despite volatility, some trusted domains appeared frequently:

• Google Maps profiles (5.7%)

• Indeed

• Wikipedia

• Reddit

• YouTube

• NerdWallet

These trusted platforms indicate that authority and brand trust still play a role, even in AI Mode.

AI Mode vs AI Overviews: What’s Different?

Although both are powered by artificial intelligence, AI Mode and AI Overviews differ in logic and output.

• Only 10.7% URL overlap between the two

• Domain overlap at just 16%

• Suggests they use separate ranking systems or selection models

This makes it clear that optimizing for one does not guarantee visibility in the other.

What This Means for SEO Professionals

Google’s AI Mode introduces new dynamics in how content is surfaced, with less dependency on traditional rankings.

Opportunities

• Broader visibility even if a page does not rank in the top 10 organically

• Frequent content refresh opens up chances for newer or niche publishers

• Sites with strong domain authority can have multiple pages cited

Challenges

• Difficult to track visibility due to changing citations

• Inconsistent URL appearance may affect reporting and ROI measurement

• Requires monitoring of AI Mode behavior alongside traditional SEO metrics

How to Optimize for Google AI Mode

Search professionals can adopt the following strategies to adapt to this new AI-driven environment:

Build Topical Authority

• Focus on creating high-quality, in-depth content around specific themes

• Cover subtopics and related questions thoroughly

Diversify Content Platforms

• Share valuable content on platforms frequently cited by AI (e.g., Reddit, YouTube)

• Maintain presence on trusted directories and Google Maps

Update and Republish Content

• Keep your pages fresh and relevant

• Google AI may prioritize recent and updated information

Monitor Citation Patterns

• Use tools and trackers to identify when and where your content is cited in AI responses

• Compare visibility across AI Mode, Overviews, and organic SERPs

Frequently Asked Questions

What is Google AI Mode?

Google AI Mode is a new AI-driven experience in Google Search that delivers summarized answers and dynamic citations instead of static ranked pages.

Why do the results change so frequently?

AI Mode values context, freshness, and diversity, so it re-evaluates content in real time rather than relying on fixed rankings.

How can websites get featured in AI Mode?

• Build domain authority

• Create well-structured, helpful content

• Engage on platforms like Reddit, YouTube, and Quora

• Optimize Google Maps profiles and local listings

Conclusion

Google AI Mode is reshaping the search landscape with its fluid, unpredictable approach to displaying content. The 91% URL variability highlights a major departure from traditional SEO.

For SEOs and digital marketers, this is both a wake-up call and an opportunity. Those who adapt by building authority, creating diverse content, and understanding AI behavior will find new ways to gain visibility in this evolving environment.

Stay alert, stay flexible, and focus on quality — because in AI Mode, consistency may be rare, but relevance is everything.

Google’s Advice on Fixing Unwanted Indexed URLs

The Problem: Unwanted URLs in Google Index

Managing indexed URLs is a crucial part of SEO, especially when Google indexes unwanted pages like dynamically generated or shopping cart URLs. Google's John Mueller recently provided expert advice on handling such issues efficiently.

An SEO audit revealed that more than half of a client’s 1,430 indexed pages were either paginated URLs or ‘add to cart’ URLs. These URLs often contain query parameters and look like this:

example.com/product/page-5/?add-to-cart=example

Despite using the rel=canonical tag to suggest the correct URL for indexing, Google continued to index the unwanted pages. This illustrates a common SEO issue: Google treats canonical tags as hints, not strict directives.

Proposed SEO Solution: Noindex & Robots.txt

To fix this, the SEO suggested:

1. Applying a noindex tag to all unwanted pages.
2. Blocking these URLs in robots.txt once they are deindexed.

However, John Mueller had a different take on this approach.

John Mueller’s SEO Advice

Mueller emphasized that blindly applying a general fix is ineffective. Instead, he recommended analyzing the URLs for patterns and implementing a specific solution tailored to the website. Here’s his approach:

Block ‘Add to Cart’ URLs Using Robots.txt

Since these URLs serve no purpose in search results, blocking them at the crawl level is ideal.

Address Pagination and Filtering Issues

If indexed URLs are a result of faceted navigation, site owners should consult Google’s official documentation on handling URL parameters.

Understand Why Google is Indexing These URLs

Investigating why Google is indexing dynamic URLs can reveal underlying issues related to the shopping cart platform.

Why Google Indexes URLs with Query Parameters?

Google sometimes indexes pages with query parameters due to:

• Poor internal linking structure.
• Lack of proper robots.txt implementation.
• Canonical tags that Google chooses to ignore.

Best Practices to Prevent Unwanted URL Indexing

Use Robots.txt to Block Crawling

• Example:

  User-agent: *
  Disallow: /*?add-to-cart=*
  

Implement Meta Noindex for Non-Essential Pages

• Example:

  <meta name="robots" content="noindex, follow">
  

Manage URL Parameters in Google Search Console

• Navigate to Legacy Tools > URL Parameters and specify parameter handling.

Use Internal Linking Wisely

• Avoid linking to URLs with query parameters.

Conclusion

Managing indexed URLs is essential for maintaining a clean, high-quality website structure. Instead of relying solely on canonical tags, SEO experts should use a combination of robots.txt, noindex tags, and Google Search Console settings. By implementing a tailored approach, websites can ensure only relevant pages appear in search results.

For further details, read John Mueller’s official advice.

Credits

• Article by Roger Montti, originally published on Search Engine Journal.

Written By : Sankalp Tripathi 

AI Overviews: Massive Changes in Google Search Trends

Google AI Overviews Expanding Rapidly

Google AI Overviews (AIO) is transforming search results, showing up to 100% more frequently for complex queries. The latest BrightEdge report reveals that AIO is becoming more precise in answering long-form queries while emphasizing authoritative content.

AI Overviews Dominating Longer Search Queries

• 25% of searches with 8+ words now display AI-generated answers.
• AIO usage is growing faster for longer queries compared to short ones.
• Google's AI is refining context awareness for better accuracy.

Changes in AI Overviews: Who Benefits?

Authority Websites Gaining More Visibility

• Healthcare: Trusted sources now contribute to 72% of AIO answers (up from 54%).
• B2B Tech: 15-22% of results come from major brands like Amazon, IBM, and Microsoft.
• Finance & Legal: Preference for institutional content over smaller publishers.

SEO Tip: If your industry is consolidated (like healthcare), collaborate with leading authorities. If it's distributed (like B2B tech), focus on direct citations.

AIO’s Content Selection Patterns

• Prefers step-by-step guides and structured information.
• Highlights real-time relevance and general guidance.
• Educational queries show concise, visually structured answers.

Shift in YouTube Citations

• Technical tutorials on YouTube cited 40% more in AI results.
• Health-related YouTube citations down by 31%.
• High-volume search queries (100K+ searches) linking to YouTube down 18.7%.

This means Google understands context better, choosing the best content format for each query.

Key Takeaways for SEO Success

1. Context is King

• Use videos for technical tutorials, DIY, and product demos.
• Rely on text-based content for health, finance, and legal topics.

2. Match Your Industry's Trend

• If you're in a distributed authority sector (like tech), optimize for direct citations.
• If in a consolidated field (like healthcare), partner with established sources.

3. Monitor Changes Weekly

AIO results shift fast—track trends regularly to stay ahead of competitors.

Final Thoughts

Google AI Overviews are shaping the future of search by prioritizing authoritative and contextually relevant content. Instead of chasing superficial SEO tactics, focus on meaningful content that truly serves users.

For more details, check out BrightEdge’s full report.

Credit: Roger Montti, SEJ Staff | Data: BrightEdge | Images: Google, BrightEdge