Quick feedback is paramount in the implementation of any UI. Studies have shown that 100ms is the maximum delay for an interface to feel instantaneous to the user.
Despite this, the mobile web is plagued by a sweeping feedback problem - a 300ms delay after you touch anything. This delay is one of the most prominent reasons that HTML based web apps are considered "sluggish" by many users.
In this article we'll discuss why the delay exists, what browser vendors are working on to make the problem go away, and what you can do to workaround the issue right now.
November 21, 2013