> For the complete documentation index, see [llms.txt](https://docs.search.io/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.search.io/documentation/guides.md).

# Guides

- [General](https://docs.search.io/documentation/guides/general.md)
- [Previewing results](https://docs.search.io/documentation/guides/general/previewing-results.md)
- [Content websites](https://docs.search.io/documentation/guides/content-websites.md): Learn how to use Search.io to create a great search experience for your content website.
- [Crawling a website](https://docs.search.io/documentation/guides/content-websites/crawling-a-website.md): This guide describes how to automatically index the pages of a website using the Search.io crawler.
- [Adding custom fields](https://docs.search.io/documentation/guides/content-websites/adding-custom-fields.md)
- [Configuring domains](https://docs.search.io/documentation/guides/content-websites/configuring-domains.md)
- [Excluding documents](https://docs.search.io/documentation/guides/content-websites/excluding-documents.md): Prevent pages being indexed by the Crawler by adding exclude rules. You can exclude specific domains, subdomains, URLs, metadata, etc.
- [Improving content](https://docs.search.io/documentation/guides/content-websites/improving-content.md)
- [E-commerce](https://docs.search.io/documentation/guides/e-commerce.md): Learn how to use Search.io to create a great search experience for your e-commerce website.
- [Define schema and sync data](https://docs.search.io/documentation/guides/e-commerce/define-schema-and-sync-data.md)
- [Relevance tuning](https://docs.search.io/documentation/guides/e-commerce/relevance-tuning.md)
- [Creating a user interface](https://docs.search.io/documentation/guides/e-commerce/creating-a-user-interface.md)
- [Adding a sale banner](https://docs.search.io/documentation/guides/e-commerce/adding-a-sale-banner.md): In this guide you will learn how to add a sale banner showing the sale percentage to your product listings by customizing the result template.