One of the most important factors to keep in mind when evaluating information is that reliability lies on a spectrum, and the type of search you're doing will determine where on the reliability spectrum you should look for information. For instance, if you're looking for the time a movie is showing or a review, something lower on the reliability spectrum may be suitable, but if you're interested in how they created the graphics for the same movie, you'll probably want something a little more reliable.
The picture above demonstrates a few things you may notice as you begin your research: