Roka tells his students to check out three web sites that exemplify good web practice. The appearance of a web site reflects only the artistic talents of the designer. In my case, it's the artistic talents of the FrontPage 98 program. The structure of the web site speaks only about the webmaster's design skills. The language and grammar used on the site speaks volumes about the care and concern that those responsible give to the site.
Proper spelling indicates the author's education.
The key indicator is whether facts are substantiated and attributed to their sources so that you can check them out. In final analysis, you must determine the believability of web resources you use. While NRA sources are slanted, they are meticulously factual in what they say. They know whatever they say will be nit-picked by the best propagandists. I've found personal web sites that do not identify the responsible entity.