7 Factors that Affect AI Search Rankings | AEO Guide

Whether you're trying to increase your brand's digital presence or simply understand why certain content ranks higher, these seven critical factors will illuminate how AI determines what users see first.

Shivani Bhatt
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June 18, 2025
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Marketing 101
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Table of content

Last week, my colleague searched for wireless headphones online. The next day, her Instagram was filled with headphone ads, and Google suggested "best places to buy headphones near you." But what truly caught her attention was how differently search results appeared. Instead of a traditional list of links, she received a comprehensive AI-generated summary with just two cited sources. This isn't chance – it's AI-driven search optimisation at work, silently reshaping our digital experience.

In 2025, AI search has evolved beyond showing lists of websites to delivering rich, contextually aware answers. With platforms like Google's AI Overviews now appearing in over 50% of all search queries (up from just 25% in 2024), understanding how AI ranking works isn't just helpful—it's essential for maintaining visibility. Whether you're trying to increase your brand's digital presence or simply understand why certain content ranks higher, these seven critical factors will illuminate how AI determines what users see first.

What is AI Search Ranking?

AI search ranking is the process by which artificial intelligence algorithms determine the order and visibility of content in search results. Moving beyond traditional keyword optimization, these advanced systems use machine learning to understand context, user intent, and content quality. Modern AI, such as Google's Overviews and ChatGPT, doesn't just match keywords—they cite authoritative sources, highlighting the growing importance of semantic connections and credibility.

How AI Search Differs From Traditional Search

  • Intent vs. Keywords: AI actively seeks to understand the underlying purpose of user queries, rather than relying solely on simple keyword matching.
  • Content Depth vs. Keyword Density: AI values comprehensive information and expertise over repetitive keyword usage.
  • Natural Language vs. Optimisation Tricks: Conversational, human-centred content performs better than technically optimized text.
  • Semantic Understanding vs. Exact Matching: AI recognizes related concepts and topics, not just exact phrase matches.
  • Multimodal Results vs. Text-Only: Modern AI can integrate and interpret text, image, and video content simultaneously, providing a more comprehensive understanding.
  • Direct Answers vs. Listings: AI increasingly provides immediate answers rather than just links to click.

7 Factors That Affect AI Search Rankings

1. Semantic Relevance: Beyond Keywords to Intent

AI assesses how well your content aligns with searcher intent, going far beyond exact phrase matching. Modern algorithms evaluate semantic fields—clusters of related terms and concepts—to determine if your content truly addresses what users are seeking.

For example, if someone asks, "Why won't my phone hold a charge?", the search doesn't just look for that exact phrase. It finds helpful content about battery problems, power settings, hardware issues, and troubleshooting tips—even if these pages use different wording.


Here’s how to do it : 

  • Use related terms and synonyms throughout your content to create semantic depth
  • Focus on answering core questions your target audience might have
  • Create content that addresses the "why" behind user searches, not just the "what"

2. Content Depth: Comprehensive Coverage Wins

AI search engines prioritize content that thoroughly explores topics from multiple angles. Shallow content that merely skims the surface rarely performs well in AI rankings. Instead, in-depth explorations that anticipate and answer related questions tend to earn higher visibility.
Tools like Yarnit can help create content that offers comprehensive depth while remaining SEO optimized—without compromising on quality. By enabling thorough topic exploration, Yarnit helps your content meet AI search engines' preference for content that examines subjects from multiple perspectives.

Content depth isn't just about length—it's about meaningful coverage that demonstrates genuine expertise. Google's Helpful Content Update and similar AI-driven algorithms specifically reward content that provides substantial value beyond basic information.

  • Develop comprehensive pillar pages that link to detailed subtopics
  • Include relevant examples, case studies, and data points
  • Address potential questions and objections within your content

3. Structured Formatting: Organization Matters to AI

The way you organize information significantly impacts how AI processes and ranks your content. A clear structure with proper HTML markup helps algorithms understand the relationships between different sections of your content.

  • Use descriptive headings (H1, H2, H3) to create a logical content hierarchy
  • Implement structured data and schema markup for better AI recognition
  • Organize complex information into tables, lists, and visually distinct sections
  • Use the FAQ schema when appropriate to increase the chances of appearing in featured snippets

    Example: Cognism’s “B2B Buyer’s Journey” Guide

Cognism uses clear H2s for each journey stage, H3s for subpoints, and a clickable table of contents for easy navigation. Bullet points, numbered steps, and visual sections break down complex info. It's a strong example of structured formatting done right.

4. Source Credibility: Trust Signals Are Critical

In the age of AI search, credibility has become a core ranking factor. AI systems evaluate not just what you say, but whether you can be trusted to provide accurate information. Content that cites high-quality sources and demonstrates subject matter expertise consistently outperforms unverified information.

This is how you can achieve this - 

  • Cite academic papers, industry studies, and governmental sources when appropriate.
  • Include author credentials and expertise indicators
  • Build domain authority through consistent publishing of high-quality content
  • Earn mentions and citations from other reputable sources in your field

5. Conversational Tone: Natural Language Resonates

AI search engines are increasingly favouring content that resembles natural human conversation over stiff, keyword-optimised text. This shift aligns with the growing prevalence of voice search and conversational AI interfaces, where natural language processing excels at identifying authentic, reader-friendly content.

  • Write in a natural, conversational style that addresses the reader directly.
  • Use contractions, active voice, and varied sentence structures
  • Adjust your tone to match user expectations for your industry and topic
  • Include rhetorical questions that mimic natural conversation patterns

Want practical tips and 50 ready-to-use prompts to humanize your content? Check out our blog here.

6. Off-Page Authority: The Web Validates Your Expertise

While on-page factors remain essential, AI search algorithms also evaluate how the broader web perceives your content and brand. Off-page signals, such as backlinks, mentions, and citations, help establish credibility in the eyes of AI ranking systems. Recent studies from 

  • Aim for quality backlinks from respected industry publications
  • Cultivate brand mentions across the web, even without direct links
  • Establish a presence on authoritative platforms within your niche
  • Monitor and manage your online reputation across review sites and social platforms

7. Content Freshness: Recency Matters in Fast-Moving Fields

AI search engines factor content freshness into their ranking decisions, particularly for topics where recency is a key consideration. In fields like technology, health, finance, and current events, outdated information can quickly become misleading or irrelevant.

To avoid this, try to: 

  • Regularly update content with fresh information and examples
  • Include publication and "last updated" dates to signal freshness
  • Monitor industry developments and refresh content accordingly
  • Remove or update outdated information that might mislead readers

Best Practices to Optimize for AI Search

Understanding AI Search Fundamentals

AI search engines like Google’s BERT and MUM no longer rely on just keyword matching. Instead, they interpret user intent, context, and natural language to surface relevant content. This shift means your content needs to be written in a way that aligns with how users ask questions and how AI interprets those questions. Staying informed about these evolving algorithms is essential to remain discoverable.

Strategic Keyword Implementation

While keywords still matter, they now serve a more contextual purpose. Long-tail keywords reflect how people search, and adding semantically related terms gives your content more depth and relevance, without relying on repetition.

This is where Yarnit comes in, offering tools like topic clustering, natural language enhancement, and long-tail discovery to identify meaningful connections between terms. The result is content that feels natural to readers while staying optimized for search.

Building Content Credibility with E.A.T

AI-driven platforms prioritize content that demonstrates Expertise, Authoritativeness, and Trustworthiness. To show expertise, write content that shares practical, experience-backed knowledge. Establish authority by referencing reputable sources such as industry studies or academic research. To build trust, be transparent with your data, cite your sources, and ensure that all information is accurate and up to date.

Featured Snippet Optimization

To appear in featured snippets, format your content with clarity and purpose. Start by including common user questions as subheadings. Follow each one with a short, direct answer that’s ideally 40–50 words long. Use formatting styles, such as tables, lists, or definitions, that AI can easily extract. To boost your chances, use schema markup that tells search engines exactly what your content contains.

To know more about optimizing your content featured snippet, check out our comprehensive guide.

Voice Search Compatibility

Voice search is conversational, so your content should be too. Think about how someone would ask a question out loud and mirror that tone and structure in your content. Include a frequently asked questions section that delivers direct answers to common voice queries. This helps your content appear when users interact with virtual assistants.

Technical Enhancements

AI indexing relies heavily on technical SEO. Make sure your pages load quickly, especially on mobile devices, and avoid overusing JavaScript that can hinder AI crawlers. Use schema markup to provide additional context about your content. You can also use tools like llms.txt to guide large language model crawlers and improve the way they interpret your site.

Building Authority with Data

AI systems favour content backed by evidence. Include original research, internal case studies, or well-cited external data to support your points. Make your content hard to fake and easy to verify. If a post is older, update it regularly with new data, stats, and examples so it remains relevant in AI-driven rankings.

Monitoring AI Search Performance

AI visibility isn’t just about ranking—it’s about reach across new platforms. Monitor traffic from tools like ChatGPT or Perplexity that pull your content. Check how often your content is cited or linked in AI-generated responses. Compare your visibility to that of your competitors and use those insights to enhance your own. Optimization for AI search is ongoing, and the more data you track, the better decisions you can make.

Embracing the AI-Driven Search Evolution

AI has fundamentally transformed search engines, and the seven factors we've explored—semantic relevance, content depth, structured formatting, source credibility, conversational tone, off-page authority, and content freshness—now determine your content's visibility. The silver lining? Creating content for AI search means creating content that is also better for humans. When you focus on meaningful answers, showcase genuine expertise, and organize information thoughtfully, you serve both readers and algorithms alike.

To stay visible as search evolves, adapt rather than resist these changes. Continue testing, continue learning, and remember that high-quality content consistently wins. Need help creating content that checks all these boxes? Tools like Yarnit can help you develop comprehensive, engaging material that naturally aligns with AI search preferences while preserving your unique voice and expertise. Whatever approach you choose, start optimizing today, because AI-driven search isn't just the future—it's already here.