Screencastify has become a big part of my life during this year of the pandemic. This is called view site information and will give you some helpful info such as cookies used, location sharing, JavaScript, etc.

When a student turns in an assignment, Google automatically changes the sharing permissions on the file (or files), making you the owner and reducing the student's rights to view-only.This is helpful for grading, but you don't want to leave it this way. This was really easy and only took about 10 minutes. You can either pull an image from your Drive, computer or photos or you can search the web.