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Illinois Tech Library Guides

IPRO 397: How to Evaluate Websites

Finding business and marketing information to help develop your product.

The CRAAP Test

When you use databases and other resources from the library website, you can be sure you're using a reliable source. But sometimes you have to use information you find on websites that haven't been recommended by librarians. 

One way to decide whether a website is a credible source of information is to use the C.R.A.A.P. test, which checks:

  • Is it Current?
  • Is is Relevant?
  • Is the author an Authority on the subject?
  • Is the information Accurate?
  • What is the Purpose of the website? To give objective information? To distort information to sell a product? 

Watch this two-minute video from Western University libraries to learn how to apply the CRAAP test to a website: