As a strong usability and user experience point to consider, it’s important to understand that reading on the web is tiring and many users prefer to print out the web pages. Read “Optimizing the User Experience” (PDF) at Usability.gov
Also, you can read Why Web Users Scan Instead of Reading, a Jakob Nielsen article.
Optional, you can lean more about how much design can improve your credibility – a study on Amazon.com’s design and RealNetworks.
Offering your users an environment to print out the web pages properly is a plus benefit for your users, mainly and then for your. It’s shows a good designed web site with attention to details.
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