In addition to the Tools for Data Rescues, here are some things anyone can do to help preserve information.
Instantly save the webpage you are currently viewing in the Wayback Machine. Save pages that have not previously been saved. View the first version of a page or the most recently saved. Or view a calendar overview of all archived pages. Plus many other features. From Internet Archive.
Nominate U.S. government website URLS for capture. Currently accepting nominations through March 31, 2025.