October 2017
Intermediate to advanced
302 pages
7h 27m
English
Content preview from Progressive Web Apps with React
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The PRPL pattern
In the last chapter, we introduced some basic principles for performative apps. You want your user to spend as little time as possible waiting, which means loading the essentials as fast as possible and deferring loading the rest of the application to "idle" time for the processor.
These two concepts form the 'I' and 'L' of the RAIL metric. We took a step toward improving the 'L' with the concept of the app shell. Now, we will move some of our 'L' (the initial load) into the 'I' (the idle time of our application) but, before we do that, let's introduce another acronym.
PRPL stands for Push, Render, Pre-cache, Lazy-load; it's a step-by-step process for how an ideal application should get the content it needs from the server. ...
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