> ## Documentation Index
> Fetch the complete documentation index at: https://docs.siftly.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# What is Generative Engine Optimization?

> Understand how GEO differs from traditional SEO and why it's the next frontier for brand visibility.

## The shift in search

For decades, ranking on Google meant optimizing for a crawler — a bot that read your HTML, indexed your keywords, and matched your page to search queries. SEO was about signals: backlinks, page speed, keyword density, structured data.

That model is changing fast.

AI-powered search engines like **ChatGPT**, **Perplexity**, **Google AI Overviews**, and **Microsoft Copilot** don't return a list of links. They generate an answer. When someone asks "What's the best tool for tracking brand mentions in AI?" — the AI reads, synthesizes, and responds. Your page either gets cited or it doesn't.

**Generative Engine Optimization (GEO)** is the discipline of ensuring your brand, content, and expertise are what AI models reach for when generating those answers.

***

## GEO vs. traditional SEO

<Frame>
  <img src="https://mintcdn.com/siftly/bEo7rqDIv7Xi3upk/images/seo-vs-geo.svg?fit=max&auto=format&n=bEo7rqDIv7Xi3upk&q=85&s=dc4e8ec559cbb3e84806e7f35618c034" alt="Side-by-side comparison: Traditional SEO ten-blue-links vs GEO AI-generated cited answers" className="rounded-xl" width="900" height="380" data-path="images/seo-vs-geo.svg" />
</Frame>

|                   | Traditional SEO            | Generative Engine Optimization           |
| ----------------- | -------------------------- | ---------------------------------------- |
| **Target**        | Search engine crawlers     | AI language models                       |
| **Goal**          | Rank on page 1             | Get cited in AI answers                  |
| **Metric**        | Keyword rankings, clicks   | Citations, share of voice                |
| **Content focus** | Keyword density, backlinks | Authority, clarity, structured knowledge |
| **Measurement**   | SERP position              | Citation frequency, visibility score     |
| **Competition**   | 10 blue links              | A single synthesized answer              |

GEO doesn't replace SEO — it extends it. A well-optimized page that ranks well in traditional search often gets cited in AI results too. But the signals that drive AI citation are different enough that GEO deserves its own strategy.

***

## How AI models decide what to cite

AI search systems draw from two sources:

### 1. Training data

Large language models are trained on large corpora of text. Brands with strong, authoritative content published before and during training windows have a higher baseline presence.

### 2. Retrieval-Augmented Generation (RAG)

Most modern AI search tools retrieve live content at query time using semantic search. When a user asks a question, the AI fetches relevant documents from the web, then synthesizes an answer using those documents as grounding context.

**This is where GEO has the most leverage.** By optimizing your content for retrieval — clear entity definitions, structured answers, authoritative tone — you improve your odds of being retrieved and cited.

***

## The GEO playbook

<Steps>
  <Step title="Identify citation gaps">
    Find the prompts and topics where your competitors are being cited but you're not. These are your highest-leverage opportunities.
  </Step>

  <Step title="Audit your content">
    Review existing pages for GEO signals: clear entity definitions, direct answers to common questions, structured data, and authoritative tone.
  </Step>

  <Step title="Create citation-worthy content">
    Publish content that directly answers the questions AI systems are asked. Structured formats (FAQs, listicles, comparisons) perform well in AI retrieval.
  </Step>

  <Step title="Track and iterate">
    Monitor your citation rate and visibility score over time. GEO is iterative — what works changes as models are updated and competitors adapt.
  </Step>
</Steps>

***

## Key GEO metrics in Siftly

<AccordionGroup>
  <Accordion title="Citation Rate">
    The percentage of AI responses to tracked prompts that include a mention or recommendation of your brand. Higher is better.
  </Accordion>

  <Accordion title="Visibility Score">
    A composite score (0–100) combining citation frequency, sentiment, and competitive share of voice. Your headline metric for AI visibility.
  </Accordion>

  <Accordion title="Share of Voice (SOV)">
    Your brand's citation percentage relative to the total citations in your market. A brand cited in 30 out of 100 responses has 30% SOV for that topic.
  </Accordion>

  <Accordion title="Prompt Coverage">
    How many of the prompts Siftly tracks for your market include your brand in the response. Low coverage = opportunity.
  </Accordion>

  <Accordion title="Average Rank">
    When your brand is cited alongside competitors in a single response, what position is it mentioned at? First mention carries more weight.
  </Accordion>
</AccordionGroup>

***

<Note>
  GEO is an emerging field and AI search platforms evolve rapidly. Siftly's analysis engine is continuously updated to reflect changes in how major AI systems retrieve and cite content.
</Note>