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> There is absolutely ZERO reason why a modern operating system or some rudimentary site with 10K users should not be blazing fast.

This just isn’t true: optimizing for speed is always a trade-off and, when an application is fast enough, it can be wasteful to focus on speed rather than other factors

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I think we all know this, but have different definitions of "fast enough".

Almost no website or application in 2024 is fast enough. HN itself is the only website I can think of which is "fast enough".

As a general rule, the people who make this decision don’t agree; which is why we’re surrounded by slow websites.

I agree. But it doesn't help when engineers are always whispering in their ear about the supposed evils of premature optimization and that things are fast enough anyway.

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