Facebook Lite is a simplified interface of Facebook  with faster load times.  It has minimal functions in comparison to the normal Facebook interface. Facebook Lite features basic functions like adding friends, commenting, viewing photos and writing wall posts. It is being tested by Facebook and  provides an option to users with lower bandwidth speeds or slower Internet service. Read more on Facebook Lite here

http://www.dailymail.co.uk/sciencetech/article-1206066/New-Facebook-Lite-Twitter-simplified-messaging-service.html

 http://www.brafton.com/industry-news/new-facebook-search-may-make-web-2-0-seo-more-important-$1318438.htm