[wldlyinaccurate]

I can't tell if this is satire or not, but I'm assuming it's genuine.

Compression is not a replacement for minification. The client still needs to parse and run the uncompressed source code. Minification provides measurable performance gains for clients by reducing parse times and p̴o̴t̴e̴n̴t̴i̴a̴l̴l̴y̴ ̴e̴v̴e̴n̴ ̴a̴l̴l̴o̴w̴i̴n̴g̴ ̴f̴u̴n̴c̴t̴i̴o̴n̴s̴ ̴t̴o̴ ̴b̴e̴c̴o̴m̴e̴ ̴s̴m̴a̴l̴l̴ ̴e̴n̴o̴u̴g̴h̴ ̴t̴h̴a̴t̴ ̴t̴h̴e̴y̴ ̴c̴a̴n̴ ̴b̴e̴ ̴i̴n̴l̴i̴n̴e̴d̴ (the inclining part is not true anymore; see child comment).

Licence retention isn't a reason to skip minification either. Practically every modern minified retains licence comments.

And finally, your users can still read the original source code if you ship source maps.

Care about your users, please minify your JavaScript :)

[lhorie]

> potentially even allowing functions to become small enough that they can be inlined

Apparently, that's no longer the case, at least in V8[0]

Parse times however are indeed a real concern and start to matter a lot as you go down the list of mobile hardware and their performance. This graph[1] shows parse times for a 1MB bundle of JavaScript in various devices.

[0] https://github.com/v8/v8/commit/0702ea3000df8235c8bfcf1e99a9...

[1] https://miro.medium.com/max/1400/1*dnhO1M_zlmAhvtQY_7tZmA.jp...

[vvanpo]

That graph shows results for Chrome 55. According to https://v8.dev/blog/cost-of-javascript-2019, parse times in Chrome have improved significantly over the years.

[lhorie]

Yes, but performance differences between various devices are still fairly significant, as per your own link[0], meaning we probably shouldn't disregard potential performance gains from minification in slower devices.

[0] https://v8.dev/_img/cost-of-javascript-2019/reddit-js-proces...

[wldlyinaccurate]

Whoa, I had no idea they'd fixed the inlining-by-size - thanks for pointing that out!

[lucb1e]

> Minification provides measurable performance gains for clients by reducing parse times

That sounds like an omission from the talk indeed, assuming the gains are indeed noticeable and not just theoretically measurable. Do you have some numbers for this, or a link to some?

[thunderbong]

I have to agree.

But what I really need to know is how you created the strike-through effect on the words in your comment!

(Since I don't see it in the HN format help[0])

[0]: https://news.ycombinator.com/formatdoc

[gabrielsroka]

There are Unicode characters that are strike-through, bold, etc. It's not actual formatting.