October 2017
Intermediate to advanced
302 pages
7h 27m
English

The number in the middle is how long it took for our application to fully complete loading. Your number should be similar to mine, with some variation based on your internet speed.
By far the biggest number here is scripting, at almost 1000 ms on its own. Since our application is JavaScript-heavy, this makes sense. Right away, we can see where most of our optimization should be focused--on booting up our scripting as fast as possible.
The other significant number is the amount of idle time (almost as much as scripting time). We’ll see why there's so much in a moment, but keep in mind that the RAIL model recommends using that ...
Read now
Unlock full access