---
title: Cross-domain functionality
description: All website navigations on different routes of the same top-level domain work out of the box. An example is moving from cobrowse.io to cobrowse.io/pricing. Just make sure our web SDK is set up correct
---

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# Cross-domain functionality

All website navigations on different routes of the same top-level domain work out of the box. An example is moving from cobrowse.io to cobrowse.io/pricing. Just make sure our [web SDK](https://docs.cobrowse.io/sdk-installation/web) is set up correctly.

Sometimes you also need to navigate to different subdomains or top-level domains in order to complete your tasks. We have a few options to cover these situations.

### **Navigating to a (sub-)domain that you control**

#### **Example: moving from cobrowse.io to docs.cobrowse.io (which we control!)**

We support this using the cross-domain feature of our web SDK: [https://docs.cobrowse.io/sdk-features/advanced-features/web/cross-domain-session-support](https://docs.cobrowse.io/sdk-features/advanced-features/web/cross-domain-session-support). Simply add the needed code to each of your required (sub)domains! This retains the full functionality of the web SDK.

### **Navigating to a (sub-)domain that you do not control**

#### **Example: moving from cobrowse.io to github.com/cobrowseio**

When the customer navigates to a separate domain which doesn't has the web SDK set up the co-browsing connection will be temporarily lost until they redirect back.

You can avoid this by enabling full device mode as the session begins. The agent will then be able to guide the customer to complete their task even on a 3rd party domain. For more information on full device mode check the article: [https://support.cobrowse.io/3rd-party-websites-with-full-device-mode](https://support.cobrowse.io/3rd-party-websites-with-full-device-mode?hsLang=en).

Technical information for implementing full device mode can be found in our documentation: [https://docs.cobrowse.io/sdk-features/full-device-capabilities](https://docs.cobrowse.io/sdk-features/full-device-capabilities). This includes enabling full device mode by default. Be sure to check the [agent controls during full device mode on web](https://support.cobrowse.io/agent-controls-in-full-device-mode-on-web?hsLang=en).

**Using Universal Cobrowse**

An alternative to full device mode is Universal Cobrowse, which lets agents follow customers to third-party websites while remaining within the browser-based co-browsing session. You configure it by specifying URL patterns in the `CobrowseIO.universalLinks` array—using wildcards like `'example.com*'` or regex for more complex matching. When customers click links matching these patterns, the external content loads within the Universal Cobrowse experience, keeping the session intact. All standard agent tools (laser pointer, annotation, and data redaction) remain fully available on third-party content.

This is particularly useful for journeys involving payment portals, e-sign providers, or other pages hosted on external domains. For implementation details, see: [https://docs.cobrowse.io/sdk-features/universal-cobrowse](https://docs.cobrowse.io/sdk-features/universal-cobrowse)

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