It takes as much energy to wish as it does to plan. — Eleanor Roosevelt
Every client I have averages ~30 third-party scripts but discussions about reducing them with stakeholders end in “What if we load them all async?” This is a good rebuttal because there are right and wrong ways to load third-party scripts, but there is still a cost, a cost that’s passed on to the user. And that’s what I want to investigate.
Yes, performance is a major concern. But it's not just the loading time and final weight … Read article
Dependencies in JavaScript are pretty straightforward. I can't write library.doThing() unless library exists. If library changes in some fundamental way, things break and hopefully our tests catch it.
Dependencies in CSS can be a bit more abstract. Robin just wrote in our newsletter how the styling from certain classes (e.g. position: absolute) can depend on the styling from other classes (e.g. position: relative) and how that can be — at best — obtuse sometimes.
Design has dependencies too, … Read article