In my last column I covered the first three of seven online marketing challenges. Marketers often find they need to: Reach more people. Reach better people. Have more resources. Improve testing and usability. Redesign. Obtain better metrics. Improve conversion rates. Let’s consider the latter four challenges: 4. “We need better testing and usability.” Evaluate how easy it is to buy from you. Determine if your visitors quickly can find what they’re looking for. Check out the ease of your check…