It's far from being immediately actionable and focused on JS libs, but this book [1] from Ilya Grigorik, who is a perf engineer at Google, is a good start. It's

It's far from being immediately actionable and focused on JS libs, but this book [1] from Ilya Grigorik, who is a perf engineer at Google, is a good start. It's not about JS, but a wide view, starting from TCP / HTTP(S) level, through how mobile devices work, to JavaScript. You may want to read also some articles on perfplanet [2] Blog of Grigorik is also intersting [3] But as I said all those resources are about "web performance" rather than "JS performance" and are more high level overview about latencies, UX and not exactly on minimizing CPU cycles. [1] http://chimera.labs.oreilly.com/books/1230000000545 http://chimera.labs.oreilly.com/books/1230000000545 [2] http://calendar.perfplanet.com/2015/ http://calendar.perfplanet.com/2015/ [3] https://www.igvita.com/ https://www.igvita.com/