Can I add a remote webpage to my timeline?

Yes, you can. To do so, click on the Apps tab in the bottom of the campaign editing page. Click on the Add App button and select URL on the left menu from the popup window. Choose the Website Link app, add the link from the page you want to display and hit Save button. Drag the app with the webpage to your timeline.

Check these instructions with more details in our tutorial "How to display websites on your screen".