27 Feb '17, 12am

Slicing up Rails Application.js for Faster Load Times

Slicing up Rails Application.js for Faster Load Times

When using a fast device it’s easy to forget that page load times are impacted by not just network speed but processing power too. Browsing the thoughtbot website on a MacBook Pro with a fast internet connection and warm cache feels snappy. Backed by a CDN, the homepage usually loads in under a second for me. On less powerful devices with slow internet connections the page load times have plenty of room for improvement. To assess this we can use Chrome dev tools to throttle the network and CPU . Profiling with Chrome dev tools Here’s a good starting point for profiling page load times with Chrome: CPU throttling: “Low end device (5x slowdown)” Network throttling: “Good 3G” “Disable cache” selected If you’re profiling the performance against a local instance of your Rails application it’s worth noting the configuration should be as close to production mode as feasible. That...

Full article: https://robots.thoughtbot.com/slicing-up-rails-applicatio...

Tweets

47% of consumers expect a web page to load in 2 seconds or less. Improve your load time with these tips:

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