The internet is a system of networks and a communications tool, not a source.
The quality of information available on the internet can vary significantly.
It is essential to analyze any source, but especially web resources, for content, validity, and appropriateness.
Unlike journals or books, web pages frequently lack editors or publishers who filter out misinformation.
See OWL at Purdue on Evidence
Follow the Money
It takes time and money to support a high quality website. So, be sure to figure out where the support is coming from and why.
A NOTE ABOUT CONTENT FARMS: There are many commercial websites that are called "content farms." Unless your project is a study of content farms, these are poor choices to support your work. They are created by companies that hire people to write articles that are highly requested by search engines, so they can optimize their hit rate and sell more advertising. These are not sites that have an editorial policy or mechanism for quality control of content.
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