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title: Widget personalization overview
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> 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).

Once you’ve collected useful information from your visitors – like names, interests, or preferences – it’s time to put that data to work. Widget personalization helps you do exactly that by tailoring the content shown on your website based on who’s viewing it.

In the following section, you’ll learn how to create personalized versions of **Page Builder** widgets for different audiences. This allows you to deliver more relevant messaging and improve the overall experience for your contacts.