Follow the instructions below to enable the automatic page redirect to an external source.

1. First, open the page from where you want to set an automatic redirect, and hide all the blocks there. The redirect doesn't occur immediately, so the content of the original page might be displayed for a couple of seconds. By using a blank page, you will be able to avoid unnecessary glitches.
The article Hiding a block on a page will guide you through this process.
2. Then, open the block gallery, select the Embed Code tab and place the block on the page:

5. Click Save: