3. Discuss the 10 most Important Website Attributes. Solution Most important attributes of website Performance : Ease of Navigation and speed are the most important attributes for website performance according to a September, 2015 survey of 2,044 US Internet users, ages 18 and older, conducted by The Harris Poll for Soasta. More than three-quarters of those surveyed said that website navigation was the most important attribute followed by speed, reliability, and responsiveness, While there are some internet users who seek a tailored and personalized experience, a user- friendly interface is more appealing to the majority of users..