You're always delivering dead code to some extent. Most users won't use every single feature of your site, so part of that code will be unused. Just see how big of a difference it makes in the size of your JavaScript, and if it's a big difference, load the JavaScript that's needed for this feature asynchronously. Most JavaScript build tools, like webpack, have functionality for code splitting built-in.
I kind of hear you. Yesterday’s code is already dead code. But I do think that having metrics (like what I shared in my most recent article) help to avoid this problem you identified:
Most users won’t use every single feature of your site
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You're always delivering dead code to some extent. Most users won't use every single feature of your site, so part of that code will be unused. Just see how big of a difference it makes in the size of your JavaScript, and if it's a big difference, load the JavaScript that's needed for this feature asynchronously. Most JavaScript build tools, like webpack, have functionality for code splitting built-in.
I kind of hear you. Yesterday’s code is already dead code. But I do think that having metrics (like what I shared in my most recent article) help to avoid this problem you identified: