One way to be sure that you have found a suitable site for research is to look at who wrote the page. If it has a .edu , the page has been published by an educational institution or university. If the Web site has been published by an individual, check to see if this person tells you a little bit about his or herself. For example, if you are doing a project on new AIDS treatments, and you find a page written by an AIDS researcher at the National Institutes of Health, you are probably using a helpful web site. If the author does not tell you anything about his or herself, it is best not to use this Web site.
Reliable information is also objective.
If a page is not objective, the author may not be presenting you with all the available facts on a subject. For example a vegetarian may only tell you why meat is bad for you without also considering the nutritional value of meat. If so, it is probably not an objective source of information. Once again, this wouldn't be an objective source of information. Just like any kind of research you are doing, you want to be sure your Web pages are as current as possible.