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title: Use Aura Components in Experience Builder
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  - Lightning Aura Components Developer Guide
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# Use Aura Components in Experience Builder

To use a custom Aura component in Experience Builder, you must configure the component and its component bundle so that they’re compatible.

**note:** As of Spring ’21, you can build Experience Builder sites using two programming models: the Lightning Web Components model, and the original Aura Components model. The Marketing Website template is based on LWC and can only be used with Lightning web components, not Aura components. Other templates are based on the Aura Components model and can use both Lightning web components and Aura components. See the [Experience Builder Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.communities_dev.meta/communities_dev/) for more information.

-   **[Configure Components for Experience Builder](https://developer.salesforce.com/docs/platform/aura-platform/guide/components-config-for-builder.md)**  


    Make your custom Aura components available to drag to the Lightning Components pane in Experience Builder.

-   **[Create Custom Theme Layout Components for Experience Builder](https://developer.salesforce.com/docs/platform/aura-platform/guide/components-config-for-builder-theme-layout.md)**  


    Create a custom theme layout to transform the appearance and overall structure of the pages in the Customer Service template.

-   **[Create Custom Component for Guest User Flows](https://developer.salesforce.com/docs/platform/aura-platform/guide/components-config-for-flow-guest-user.md)**  


    Allow flows for your Experience Cloud guest users to provide alternative user registration screens, complex decision trees, and conditional forms to gather user information. The following example uses the Site Class API. For more information, see “Site Class” in the Salesforce Apex Developer Guide.

-   **[Create Custom Search and Profile Menu Components for Experience Builder](https://developer.salesforce.com/docs/platform/aura-platform/guide/components-config-for-builder-search-and-profile.md)**  


    Create custom components to replace the Customer Service template’s standard Profile Header and Search & Post Publisher components in Experience Builder.

-   **[Create Custom Content Layout Components for Experience Builder](https://developer.salesforce.com/docs/platform/aura-platform/guide/components-config-for-builder-layouts.md)**  


    Experience Builder includes several ready-to-use layouts that define the content regions of your page, such as a two-column layout with a 2:1 ratio. However, if you need a layout that’s customized for your site, create a custom content layout component to use when building new pages in Experience Builder. You can also update the content layout of the default pages that come with your site template.