Here's some thoughts about websites and some points
for "success":

Three Factors That Make A Sale

Your website needs to pass some usability standards and is:
  • able to be found
  • easy to use
  • easy to remember
  • free of errors
  • easy to learn

Is having a web site with all the above enough to make a sale? No, there are three critical factors behind a viewer’s decision to make a purchase:
  • Relevance - Does your web site have what the viewer is seeking?
  • Differentiation - What makes you different from the other web sites that offer your product, service, or information? You must communicate this difference clearly, loudly, and often.
  • Trust - The viewer must feel confident that all interactions with you will be completed in the manner you specify.

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~Roland