If SMS with links to websites are sent, the web preview can be activated, which displays a preview of the website below the SMS containing the website title, screenshot and URL.

Note: The web preview is loaded via the mobile data and may cause additional costs.

Android 10 (One UI 2.0)
Step 1:  Open the  Messages -App
Step 2:  Open the  menu
Step 3:  Open the  Settings
Step 4:  Tap on  More settings
Step 5:  Enable or disable  Show web previews
  1. Open the Messages-App
  2. Open the menu
  3. Open the Settings
  4. Tap on More settings
  5. Enable or disable Show web previews

Samsung Instructions