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Mobile Web Performance Optimization by S. Niranga

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Less work for the end user

Each of the principles mentioned earlier is ultimately about reducing the amount of time it takes for the user to complete a given task. The importance of task completion can't be overlooked. There's the classic study conducted by UIE back in 2001 on the impact of the time taken to complete a task on a visitor's perception of performance. Researchers sat people down in front of 10 different sites using a 56 kbps modem and gave them tasks to complete.

The surprise came when people rated the slowest site (http://www.amazon.com/) as one of the fastest when asked. The reason was that http://www.amazon.com/ allowed people to complete their tasks in fewer steps.

Ultimately, this is what it comes down to: how fast the user feels ...

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