You think your site works great now because it looks good on the desktop.  Look at the stats below.

• More people will use their mobile phones than PC's to get online.
• Mobile searches have grown 4X since 2010
• There will be one mobile device for every person on earth by 2015
• 60 % of users expect a mobile site to load in less than 3 seconds
• 71 % of users expect a mobile site to load as fast as a desktop site
• 78 % will retry a site two times or less if it does not load initially.
• 57 % would not recommend a business with a bad mobile site
• 40 % have turned to a competitor's site after a bad mobile experience
• 23 % of adults have cursed at their phone when a site doesn't work.
• 81 % of users prefer mobile sites to apps for researching prices.
• 63 % of users prefer mobile sites for purchasing.
• 50 % of mobile searches lead to purchase.