Researchers generally use websites in two ways:
Your argument is only as credible as your sources.
Websites ending with .gov, .org, or .edu are generally not trying to sell you anything, and often provide better information. When you search Google, type one of these into the search field with your keywords:
Search engine creators, like Google, are businesses whose purpose is to turn a profit, not help you find information. Using several different search engines when seeking information is good practice, don't become loyal to just one. In addition, consider using search engines that are uncensored and anonymous, such as, DuckDuckGo or GIBIRU.