I’m constantly forgetting the difference between the async attribute and the defer attribute on script elements—this is a handy explanation.
WebPageTest just got even better! Now you can mimic the results of what would’ve previously required actually shipping, like adding third-party scripts, switching from a client-rendered to a server-rendered architecture and other changes that could potentially have a big effect on performance. Now you can run an experiment to get the results before actual implementation.
Prompted by my article on third-party code, here’s a recommendation to ditch any embeds on your website.
Laura and I are on the same page here.
Chris is doing another end-of-year roundup. This time the prompt is “What is one thing people can do to make their website bettter?”
This is my response.
I’d like to tell you something not to do to make your website better. Don’t add any third-party scripts to your site.
This is the transcript of a brilliant presentation by Scott—read the whole thing! It starts with a much-needed history lesson that gets to where we are now with the dismal state of performance on the web, and then gives a whole truckload of handy tips and tricks for improving performance when it comes to styles, scripts, images, fonts, and just about everything on the front end.
Essential!
A presentation at An Event Apart Boston 2018.
JavaScript and the observer effect.
Ain’t no third party like a Google Analytics third party.
Samsung Internet browser doesn’t yet support asynchronous `waitUntil`, but that’s okay.
Inside me there are two wolves. They’re both JavaScript.