This is a "toolbox" of criteria that enable Internet information sources to be evaluated for use in libraries, e.g. for inclusion in resource guides, and helping users evaluate information found. (http://www.vuw.ac.nz/~agsmith/evaln/index.htm)
The world is an information marketplace offering an infinite variety of resources in an infinite variety of formats. It is up to you to become a knowledgeable and savvy consumer of this information. Here are points to consider when evaluating the app
Evaluates web sites on 5 criteria, Multimedia Issues, Performance, Web Site Design, Navigation, and Science Content Issues. (http://www.ncsu.edu/imse/3/evalweb.htm)