How Google Search AI Overview Works

 If you’ve been using Google, you will notice that a lot of times, you don’t need to click open websites because there’s a summarized answer just below the Google search bar. These are called “Generative AI Snapshots” or Search Generative Experience (SGE). Instead of just listing webpages, Google provides a concise, AI-generated summary at the…

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     If you’ve been using Google, you will notice that a lot of times, you don’t need to click open websites because there’s a summarized answer just below the Google search bar. These are called “Generative AI Snapshots” or Search Generative Experience (SGE). Instead of just listing webpages, Google provides a concise, AI-generated summary at the top of the page. Think of it as a quick snapshot of the key information you’re looking for, drawn from multiple sources across the web.

    screenshot of Google AI overview in search

    Curious how this new feature works, why Google is testing it, and how it might impact your website traffic or daily online searching? 

    1. What Exactly Is the “AI Overview” (Search Generative Experience)?

    Google’s AI Overview is an experimental feature designed to provide you with a summarized answer or “overview” of information related to your query. For instance, if you type, “What are the best travel destinations in Southeast Asia for under $1,000?” you might see a short paragraph that combines info on affordable airfare, popular tourist spots, and recommended accommodations—followed by links and an option to ask further questions.

    • Experimental Rollout: As noted by Search Engine Journal, Google initially introduced this generative AI experience to U.S. users (in English) who signed up for Search Labs. Over time, Google has hinted that the feature may expand to more regions and languages.
    • Goal: The core idea is to save users time by synthesizing data from a variety of websites into one easy-to-read snapshot, enabling faster answers and additional query “refinements” in a chat-like manner.
       

    2. A Brief History: From Featured Snippets to AI Snapshots

    Before SGE, Google already offered Featured Snippets—the short text boxes that appear at the top of search results answering a specific question. However, there are some notable differences:

    1. Depth: While a featured snippet typically pulls a few lines from a single webpage, the AI Overview draws on multiple sources and uses large language models (LLMs) to craft a cohesive summary.
    2. Follow-Up Queries: Once you get an overview, you can often tap a “Continue” or “Ask a follow-up” button to refine your search. This transforms the search experience into a mini Q&A session instead of a single, one-off question.
    3. Visual Layout: The AI Overview is presented in a distinct colored box (when available), and you may see “Expand” buttons or bullet points that offer deeper insights and reference links.

     What’s very interesting is how Google is evolving with their website experience. Instead of just a navigational process, now there’s leaning towards an interactive conversation very much like our prediction on how websites will be like in the future.

    3. How Does It Work Under the Hood?

    While the internal workings are complex, here’s a simplified rundown:

    1. User Query Parsing
      Google’s systems interpret your question and try to identify the core intent—whether you’re seeking a product recommendation, a how-to guide, or a fact-based answer.
    2. Large Language Models
      The AI generating this summary is built on LLMs (e.g., Google’s PaLM 2), which comb through Google’s indexed web content to find relevant information. The AI then pieces together a short, conversational summary.
    3. Source Linking
      Although the summary is generated by the AI, Google includes references (sometimes shown as small links or in an expanded “view sources” section). Users can click through to those pages to read more.
    4. Learning & Feedback
      Because this feature is in experimental stages, user engagement and feedback determine how the system evolves. According to Google’s announcements on The Keyword Blog, improvements, expansions, and refinements are ongoing as they gather more data from real-world usage.

    4. SEO & Traffic Implications

    For businesses, bloggers, and SEO professionals, the big question is: “What happens to my website traffic if Google provides an AI-generated answer right on the search page?”

    • Potential Drop in Clicks: Some fear that if the AI Overview is too thorough, users may not feel the need to click on individual websites. This concern has been discussed extensively in the r/SEO subreddit, where site owners share anecdotal drops (or spikes) in traffic since SGE’s introduction.
    • Brand Visibility: On the flipside, if the snapshot references your website, it could boost brand awareness—especially if your business’s name appears in the snippet. Some Search Engine Land articles argue that it’s similar to featured snippets but with a more in-depth approach. If your content is authoritative and well-structured, the AI summary may highlight it.
    • Citations & Accuracy: In multiple Reddit threads, SEOs mention instances of “hallucinations” or incomplete citations. Because the AI might paraphrase info, it’s crucial for content creators to ensure clear, accurate data on their sites (with organized headings, structured data, etc.), giving the AI a better chance of correctly referencing them.

    5. Best Practices to Stay Visible on Search

    Even though this is an experimental feature, there are ways you can optimize for AI Overviews. It’s important to remember, the tips here are still consistent with good SEO practices, so if you’ve been practicing white hat SEO, these will be familiar to you.

    1. Structured, High-Quality Content
      • Even until today, content is still king.
      • Use clear headings, bullet points, and plain language to make it easier for AI to parse your content.
      • Detailed, reliable sources are more likely to appear in the AI snapshot.
    2. Keep E-E-A-T in Mind
      • Google’s guidelines emphasize Experience, Expertise, Authoritativeness, and Trustworthiness.
      • Demonstrate real expertise with in-depth knowledge, author bios, citations, and transparent sourcing.
    3. Monitor Your Analytics
      • Watch for changes in click-through rates on high-traffic queries that might trigger the AI Overview.
      • If you notice drops, consider adjusting content or exploring how your page could stand out.
    4. Ask for User Feedback
      • Encourage visitors to comment or email you if they spot inaccuracies in AI summaries referencing your site.
      • Real user input can help you refine your pages to ensure the AI picks up the correct info.
      • User feedback also means user engagement. Create a connection with your visitors so you’re not constantly dependent on search engines for traffic. Focus on retention just as much as user acquisition

    The Future of AI Overviews

    Google is known for testing new features and rolling them into the main experience if they gain traction. While some predict that AI Overviews could eventually replace featured snippets, others believe there’s room for both. The critical point is that Google is moving toward a more conversational search experience—where users can quickly refine or expand their queries without leaving the main results page.

    What to Expect Going Forward:

    • More Languages & Regions: Over time, Google is likely to introduce generative AI summaries beyond the U.S. and English.
    • Improved Citations: The SEO community has pushed for clearer citations, and Google may respond by ensuring direct links are easier to find.
    • Possible Monetization: Some speculate that Google could experiment with sponsored results or AI-based ads within these snapshots, although nothing concrete has been announced.
    • Voice & Assistant Integration: Google Assistant might merge more closely with SGE, letting you move from typed queries to voice-based interactions seamlessly.

    The AI Overview in Google Search marks a significant shift toward instant, AI-driven answers—a testament to how deeply large language models are shaping the web. While it opens doors for more convenient, conversational searches, it also raises questions about traffic distribution, misinformation, and transparency.

    Knowing that Google is taking this direction with their website, it might be vital to ask yourself, what then should you be doing with your own website? Read more on How to Transform your Business for AI 2025.

    For now, the best strategy—whether you’re a casual user or a website owner—is to stay informed. Watch how Google refines this feature, test how it affects your site’s performance, and continue producing high-quality, well-structured content that positions you as a trustworthy source. As with any new technological leap, adapting early can set you up for success in an evolving online landscape.

    Don’t know where to start? Contact us!

    Johnn Mendoza

    Johnn is a bird lover, freediver, and bookworm. He has been blogging since 2005 and enjoys learning about new technologies that helps society progress.

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