A domain name (the end of a web address) can say a lot about a website. Here are a few common ones:
Recently, domains are now able to be customized and include new ones like .museum. Please contact a librarian if you have any questions about a particular domain!
To improve your odds of identifying "good" websites for research assignments, look for web resources with the "Librarian Seal of Approval:" Use website directories/guides created by librarians, for example: