They are clear about the purpose of their site. The questionable link takes you to information with no indication of the author or group affiliation. There is no indication of the purpose of the page, although it ultimately appears to be anti-tobacco. The scope or topics covered by the site are clear. The site exhibits a suitable depth and comprehensiveness for its purpose.
Sufficient evidence is provided to support the ideas and opinions presented.
The information is in depth and focused, like an encyclopedia entry. Dates are included in the web site and indicate whether they are the dates of the information itself, of its placement on the web site, or of revising and updating the web site. The information is current, or at least still relevant, for the site's purpose. The outdated link takes you to a student organization web site. Their site's Mars exploration information was written before November 1996 and describes the upcoming Mars exploration projects.