Keep in mind that searching for sources on the web will give you a vast array of results. If you were only looking for quantity, this would be wonderful. While searching the free web seems like an efficient and quick way to conduct research, the time you must spend evaluating your results may actually slow you down.
That said, there are many things you may not find in subscription databases that you still may need. Because of this, it is important for you to have a method of evaluating your resources found with a web search.
The attached items below are tools designed to help you determine what to look for when evaluating a source found on the web.