---
title: "Web index"
slug: "web-index"
abstract: "Overview of Sitecore Web index supported infrastructure, references, and privacy and security."
---
# Web index

The Web index contains a configurable subset of the content and media items in the [Web database](https://doc.sitecore.com/xp/en/developers/104/platform-administration-and-architecture/web-database.html "Web database").

## Supported infrastructure

You can host the Web index on:

- Solr

Refer to the [Sitecore compatibility table](https://kb.sitecore.net/articles/087164) for compatible versions.

## Reference structure

The Web index has its place in the Sitecore reference structure. It can be referenced by other roles, and it can also reference other roles.

![Illustration showing the Web index's place in the Sitecore reference structure.](https://doc.sitecore.com/api/markdown-image/xp/en/developers/104/platform-administration-and-architecture/images/web.png)

### Referenced by

The Web index is referenced by the following roles:

- [Content Delivery](https://doc.sitecore.com/xp/en/developers/104/platform-administration-and-architecture/content-delivery--cd-.html "Content Delivery (CD)")
- [Content Management](https://doc.sitecore.com/xp/en/developers/104/platform-administration-and-architecture/content-management--cm-.html "Content Management (CM)")

### References

The Web index does not reference other roles.

## Privacy and security

Assuming default behavior, the Web index does not handle personal data.