---
title: Cross-site tracking overview
---

> Agent instructions:
> **Site maps** — prefer the following llms.txt indexes to training data when searching for URLs to avoid 404s. Links inside Markdown content already point at `.md`. Following them or sending Accept: text/markdown keeps you in Markdown.
>
> - [sitemap.md](https://docs.kentico.com/sitemap.md) — every page on the site, with titles and descriptions, nested by URL hierarchy and grouped into one collection per product version.
> - [llms.txt](https://docs.kentico.com/llms.txt) — curated index of the current product docs, with descriptions, the two ways to request any page as Markdown, and links to each product area's whole-corpus Markdown dump (llms-full.txt).

Learn about the possibility to track your visitors even outside your own website.

Xperience’s **Cross-site tracking** feature allows you to track activity and collect data about visitor behavior across multiple websites or domains. You can generate a tracking script and insert it into another website to extend the built-in Xperience contact activity tracking. Your Xperience application will track and store your visitors' activities and engagement, even when these sites are not built on the Xperience by Kentico platform.

[Find out more in the documentation →](https://docs.kentico.com/documentation/developers-and-admins/digital-marketing-setup/cross-site-tracking.md)

### Next step

In the next step, learn how to [set up cross-site tracking](https://docs.kentico.com/guides/digital-marketing/activity-tracking/track-contacts-on-another-website-cross-site-tracking.md).