Saving a file often regenerates so quickly that by time you switch back to your browser, it’s already been refreshed. Cool!

It’s admittedly a serious UX fail when sites get larger and larger and you suddenly realize that when you fix a typo in a Markdown file you now have to wait 8 seconds before you see that fix appear in the browser. Unacceptable! In an ideal world, you wouldn’t have to wait 8 seconds. Hopefully you wouldn’t even need to wait 800 milliseconds. The refresh would occur as close to “instantaneously” as possible.

That’s the goal with Fast Refresh in Bridgetown 2.0.

How did we accomplish this feat? Read on…