Web Performance Optimizations

  • Tom Barker


The last chapter explored the results of the W3C’s first steps at standardizing performance in a browser, the Performance object. Chapter 5 looked at each of the APIs in the Performance object; you saw how to gather and derive performance metrics from the Performance Timing object, how to use the Performance Navigation object to determine how users are coming to your sites, and how the Performance object exposes high-resolution time to allow us to track timing data below the millisecond limit.


Design Pattern Load Time Code Snippet Callback Function Page Load 
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© Tom Barker 2012

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  • Tom Barker

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