---
title: Enabling Xperience features in ASP.NET Core applications
related:
- https://docs.kentico.com/13/developing-websites/developing-xperience-applications-using-asp-net-core.md
- https://docs.kentico.com/13/developing-websites/developing-xperience-applications-using-asp-net-core/starting-with-asp-net-core-development.md
---
> 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).
In Xperience, some features provided by the system need to be explicitly enabled on the side of the [front-end](https://docs.kentico.com/13/developing-websites/developing-xperience-applications-using-asp-net-core.md) ASP.NET Core application. This is an intentional design choice that allows you to enable and configure only the features you end up integrating. Individual features register additional middleware and routes; having all features enabled by default would unnecessarily impact application performance.
Features are enabled within the **ConfigureServices** method of the application's startup class. The **IServiceCollection.AddKentico** method that adds Xperience classes to the service container optionally takes an **IFeaturesBuilder** delegate where you can enable individual system features. Each feature is enabled with a corresponding _Use\*FeatureName\*_ extension method:
```csharp title="Application startup class"
public void ConfigureServices(IServiceCollection services)
{
...
services.AddKentico(features =>
{
features.Use*FeatureName*();
});
...
}
```
The following table provides an overview of all features that can be enabled:
| Feature | Extension method | Description and additional notes |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [Page builder](https://docs.kentico.com/13/developing-websites/page-builder-development.md) | UsePageBuilder
(Kentico.PageBuilder.Web.Mvc) | See [Page builder development](https://docs.kentico.com/13/developing-websites/page-builder-development.md) for more details and additional configuration options. |
| [Content tree-based routing](https://docs.kentico.com/13/developing-websites/implementing-routing/content-tree-based-routing.md) and [alternative URLs](https://docs.kentico.com/13/developing-websites/implementing-routing/enabling-alternative-urls-for-pages.md) | UsePageRouting
(Kentico.Content.Web.Mvc.Routing) | [Content tree-based routing](https://docs.kentico.com/13/developing-websites/implementing-routing/content-tree-based-routing.md) is enabled automatically by calling _UsePageRouting_. The site's routing mode also must be set to _Based on content tree_ under **Settings -> URLs & SEO -> Routing mode** in the Xperience administration application.
To enable the alternative URLs feature, pass a **PageRoutingOptions** object to the method and set the _EnableAlternativeUrls_ property to _true_:
`
features.UsePageRouting(new PageRoutingOptions
{
EnableAlternativeUrls = true;
});
`
If you only want to enable alternative URLs, you need to explicitly disable the routing feature:
`
features.UsePageRouting(new PageRoutingOptions
{
EnableAlternativeUrls = true;
EnableRouting = false;
});
`
See [alternative URLs configuration](https://docs.kentico.com/13/developing-websites/implementing-routing/enabling-alternative-urls-for-pages.md#configuring-the-alternative-urls-editing-interface) for information about ways to further configure this feature. |
| [Scheduler](https://docs.kentico.com/13/configuring-xperience/scheduling-tasks.md) | UseScheduler
(Kentico.Web.Mvc) | Requires scheduled tasks to be enabled in **Settings -> System -> Enable scheduled tasks** within the Xperience administration.
You also need to configure individual site-specific scheduled tasks to run on the live site in the **Scheduled tasks** application.
See [Processing scheduled tasks on the live site](https://docs.kentico.com/13/configuring-xperience/scheduling-tasks/processing-scheduled-tasks-on-the-live-site.md) for more information. |
| [A/B testing](https://docs.kentico.com/13/on-line-marketing-features/managing-your-on-line-marketing-features/a-b-testing-pages.md) | UseABTesting
(Kentico.OnlineMarketing.Web.Mvc) | Requires A/B testing to also be enabled in **Settings -> On-line marketing -> Enable A/B testing** within the Xperience administration.
You also need to add logging scripts to your site's pages. See [Enabling A/B testing](https://docs.kentico.com/13/on-line-marketing-features/configuring-and-customizing-your-on-line-marketing-features/enabling-a-b-testing.md). |
| [Campaign logging](https://docs.kentico.com/13/on-line-marketing-features/managing-your-on-line-marketing-features/campaigns.md) | UseCampaignLogger
(Kentico.CampaignLogging.Web.Mvc) | To support all campaign conversion options, logging of membership and page-related activities must be enabled. See [Logging activities](https://docs.kentico.com/13/on-line-marketing-features/configuring-and-customizing-your-on-line-marketing-features/configuring-activities/enabling-activity-tracking/logging-activities.md). |
| [Marketing email tracking](https://docs.kentico.com/13/on-line-marketing-features/configuring-and-customizing-your-on-line-marketing-features/configuring-email-marketing/enabling-marketing-email-tracking.md) | UseEmailTracking
(Kentico.Newsletters.Web.Mvc) | When a recipient opens a marketing email from Xperience or clicks a link in its content, a hidden request is sent to the front-end Core site. Routes registered by the _UseEmailTracking_ method ensure that the tracking data is processed and logged into the shared Xperience database. |
| [User activity tracking](https://docs.kentico.com/13/on-line-marketing-features/managing-your-on-line-marketing-features/contact-management/tracking-contact-activities.md) | UseActivityTracking
(Kentico.Activities.Web.Mvc) | Required for page-related activities that need to be logged manually in your code. See [Logging activities](https://docs.kentico.com/13/on-line-marketing-features/configuring-and-customizing-your-on-line-marketing-features/configuring-activities/enabling-activity-tracking/logging-activities.md) for more information. |
| [Web Analytics](https://docs.kentico.com/13/on-line-marketing-features/managing-your-on-line-marketing-features/web-analytics.md) | UseWebAnalytics
(Kentico.OnlineMarketing.Web.Mvc) | Requires web analytics to also be enabled using the settings in **Settings -> On-line marketing -> Web analytics** within the Xperience administration.
You also need to add logging scripts to your site's pages. See [Enabling web analytics](https://docs.kentico.com/13/on-line-marketing-features/configuring-and-customizing-your-on-line-marketing-features/configuring-web-analytics/enabling-web-analytics.md). |