# Tutorials

Check step-by-step guides on how to use Croct.

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Use the summary below to quickly jump to a specific topic:

- [Get started](/immersion/tutorials/get-started): Browse the index of pages in this category.
- [Experiment with feature flags](/immersion/tutorials/experiment-feature-flagging): Learn how to run AB tests and perform gradual rollouts with feature flags.
- [Identify users across subdomains](/immersion/tutorials/cross-subdomain-identification): Use first-party cookies to recognize anonymous users across subdomains.
- [Publish and share a template](/immersion/tutorials/template-publishing): Create a reusable template and share it with the community.
- [Route API calls through your domain](/immersion/tutorials/first-party-api-routing): Configure a proxy to serve SDK requests from your own domain.