On: Ask HN: How do you evaluate a web site?

[edw519]

  # Metric            Formula
  - ----------------  ------------------------------------
  1 effectiveness     sum(EffortExpended) / OriginalGoal

  2 efficiency        sum(EffortExpended) / sum(ValueReceived)

  3 speed             "0" or "1"
                      (TimeToLoad < TimeWillingToWait)

  4 readability       "0" or "1"
                      (AbilityToRead == 1)  

  5 comprehensibility "0" or "1"
                      (TimeNeededToUnderstand < TimeAvailable)