Link previews from websites can be turned on or off: Open Google Messages . At the top right, tap your profile photo or icon Settings Automatic previews. Turn off Show all previews. Optional: To turn off previews when you send or get a link in a conversation, tap Show only web link previews. Tip: Only share links you trust. URLs can include ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.