According to eMarketer estimates, more than 40% of global mobile users go online using their phones each month. However publishers seem slow to make their content available in mobile-optimized formats. Indeed, according to a research from Company Data Trees, 25.7% of the top 10,000 publishers* on Alexa had a mobile version in September 2011. Even if this percentage has grown by 75% in the last 9 months, it remains low compared to the 40% of mobile internet users.
It seems that some publishers are missing the opportunity of the mobile market in terms of audience and revenues.
*web publishers are definied as websites that sell ad impressions, which comprise approximately 66% of all websites