Introducing reCAPTCHA v3: the new way to stop bots
Google has announced their latest version of reCAPTCHA. This time it is an API that computes a score and lets you decide what to do based on that. From the looks of things, this new API takes advantage of the data that Google accumulates from across the web and from all the pages you add the reCAPTCHA v3 code to. It can provide a much better user experience, but it is also likely tracking your visitors.

Start Performance Budgeting
How often do you get fed up waiting for a site or app to load and just quit trying to access or use it? I do it all the time. Don’t make your users do the same thing. Performance budgeting can help you ensure that doesn’t happen.

Smart Bundling: How To Serve Legacy Code Only To Legacy Browsers
Wouldn’t it be nice to not have to transpile all your JavaScript back to ES5? Instead, why not build two bundles of code and serve one for modern browsers and one for legacy browsers? That is what this article runs through. There is some handwaving around setting certain parts up, but it gets the point across.