Sometimes you may need to change the HTTPS redirect and the search engines policy based on the aims of your short URL.
To set HTTPS redirect and search engines policy
Sign in to your Short.io account.
Navigate to the Domain settings -> Redirects:
Depending on your preferences, you can select one of the following rules for handling visitors of HTTP links from the HTTPS redirect policy:
Keep protocol
Redirect HTTP short links to HTTPS
Redirect HTTP short links to HTTPS and send HSTS header
You can also specify the desired behavior of search engines in the Search engine policy field:
Allow indexing
Don't follow short links
Don't index short links
Click on Save changes to complete the settings.