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113 Design Guidelines for Homepage Usability (Nielsen Norman Group)

Summary: These design guidelines are excerpted from our book Homepage Usability: 50 Websites Deconstructed which contains more details, including copiously annotated screenshots of 50 homepages. While many of these guidelines can apply to web design in general, they are especially critical to follow when designing your homepage, because the stakes are so high. Your homepage is often your first — and possibly your last — chance to attract and retain each customer, rather like the front page of a newspaper. http://www.useit.com/homepageusability/guidelines.html
http://micheldeguilhermier.typepad.com/mdegblog/the-ecommerce-essential-toolbox/

Michel de Guilhermier's Blog: The eCommerce Essential Toolbox

Fraîchement Sorti des Laboratoires de Recherche Inspirational Stores !
US marketing executives were much more optimistic about the economic outlook in February 2010 than they were the year before, when the recession was in full swing, and many were planning to increase budgets, according to the “Marketing Trends Report 2010” from Anderson Analytics and the Marketing Executives Networking Group (MENG) . But they have become even more focused on getting a good return on their marketing investments. Anderson and MENG found that “marketing ROI” had jumped to become the most important trend to marketing executives. Social media cracked the top 10 this year, when 72% of respondents were planning a social strategy. The two concepts were also key when combined: Social media ROI was an important buzzword for 36% of executives. But even though marketers are on board with the idea that social is key to their overall strategy, many are sick of hearing about it. http://www.emarketer.com/Article.aspx?R=1007564

Marketers Buzz About ROI - eMarketer

Jakob Nielsen 's Alertbox, January 22, 2008 Summary:

Usability ROI Declining, But Still Strong (Jakob Nielsen's Alertbox)

http://www.useit.com/alertbox/roi.html
http://www.useit.com/alertbox/roi-first-study.html Development projects should spend 10% of their budget on usability. Following a usability redesign, websites increase desired metrics by 135% on average; intranets improve slightly less. Ease of use doesn't come from wishful thinking.

Return on Investment (ROI) for Usability (Jakob Nielsen's Alertbox)

Progress in Usability: Fast or Slow? (Jakob Nielsen's Alertbox)

Over the past decade, usability improved by 6% per year. This is a faster rate than most other fields, but much slower than technology advances might have predicted. The good news? We're making progress in usability. http://www.useit.com/alertbox/usability-progress-rate.html
http://www.useit.com/alertbox/20010218.html

Success Rate: The Simplest Usability Metric (Jakob Nielsen's Alertbox)

In addition to being expensive, collecting usability metrics interferes with the goal of gathering qualitative insights to drive design decisions.
There’s so much talk about social media that it is easy for people to become cynical, perhaps losing track of the fact that it can have a positive impact on your business. So how can you determine whether a social media strategy is proving beneficial to your business? How do you know that it is working out for you?

10 ways to measure social media success | Blog | Econsultancy

http://econsultancy.com/blog/3407-10-ways-to-measure-social-media-success
http://www.karinemiron.com/5-facons-de-mesurer-le-succes-dune-campagne-de-social-media Le social media est de plus en plus populaire au niveau des entreprises afin de promouvoir leur offre efficacement sur le web.

5 façons de mesurer le succès d'une campagne de social media | E-commerce, Web 2.0 et e-tourisme