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

# Index Coverage

> Index coverage is the proportion of a website's pages that have been successfully crawled and added to a search engine's index — monitored via Google Search ...

*Measurement* · *Technical SEO*

## Definition

Index coverage is the proportion of a website's pages that have been successfully crawled and added to a search engine's index — monitored via Google Search Console. It distinguishes between indexed, excluded, error, and warning states for each page.

## Why It Matters for AI Search

Index coverage is the audit metric that confirms which content is actually in Google's index — and by extension, available for [AI Overview](https://www.platelunchcollective.com/services/answer-engine-optimization) citation. Pages in excluded or error states are not indexed and cannot be cited. Monitoring index coverage identifies systematic crawl issues — pages blocked by robots.txt, pages with noindex tags, pages with canonicalization errors — that prevent content from being available to AI systems.

## Related Terms

<CardGroup cols={2}>
  <Card title="Indexability" href="/ai-search-glossary/indexability" />

  <Card title="XML sitemap" href="/ai-search-glossary/xml-sitemap" />

  <Card title="Google Search Console" href="/ai-search-glossary/google-search-console" />

  <Card title="Crawl budget" href="/ai-search-glossary/crawl-budget" />

  <Card title="Robots.txt" href="/ai-search-glossary/robotstxt" />
</CardGroup>

## Relevant Plate Lunch Collective Services

[AI SEO](https://www.platelunchcollective.com/services/ai-seo)