• Is the author an expert or scholar?
  For example, are credentials and past works listed?

• What type of organization houses (sponsors) the page?
  
  • a .com ISP, like geocities? or
  • a .gov or .mil government subsidiary? or
  • a .edu, perhaps a "/~personal" page?or
  • a .org not-for-profit?

• Reliable, Scholarly  vs.   Questionable source