Facebook mobile web site is revamped for iPhone, iPod Touch and other mobile devices. Before Facebook has two different mobile web sites, touch.facebook.com for touchscreen phones and m.facebook.com for non-touchscreen mobiles but now both are unified under the same framework.
According to official Facebook blog:
“There are two major problems with this approach:
We were limited by the lowest common denominator for each site. We couldn’t use JavaScript and had device specific file size limitations on m.facebook.com. Supporting a wide array of touch phones of varying quality on touch.facebook.com limited our ability to use modern CSS and JavaScript APIs.
Every time we launched a new feature, we had to build it multiple times across different code bases: once for facebook.com, then again for m.facebook.com, touch.facebook.com, and in native applications as well. Honestly, we weren’t very good at doing this, so certain features were missing on different devices.
With the new m.facebook.com, users with high-end touch devices will see a rich touch-friendly interface; for users with feature phones, the site will look and work great.
Every device uses the same framework. This way we can move even faster and build new features just once for every mobile device. It also means that everyone can access the same features, whether writing messages or checking into Places. There will no longer be a difference between m.facebook.com and touch.facebook.com, we’ll automatically serve you the best version of the site for your device.”
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