this post was submitted on 06 Nov 2025
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The 512KB Club is a collection of performance-focused web pages from across the Internet. To qualify your website must both be actually useful and under 512KB in size. (512kb.club)
submitted 3 weeks ago by TheReturnOfPEB@reddthat.com to c/technology@lemmy.world
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[–] kibiz0r@midwest.social 81 points 3 weeks ago (7 children)

14kB club: “Amateurs!!!”

https://dev.to/shadowfaxrodeo/why-your-website-should-be-under-14kb-in-size-398n

a 14kB page can load much faster than a 15kB page — maybe 612ms faster — while the difference between a 15kB and a 16kB page is trivial.

This is because of the TCP slow start algorithm. This article will cover what that is, how it works, and why you should care.

[–] sobchak@programming.dev 3 points 3 weeks ago (3 children)

Is it just the HTML that should be under 14kb? I think script, CSS, and image (except embedded SVGs) are separate requests? So these should individually be under 14kb to get the benefit?

[–] xthexder@l.sw0.com 5 points 3 weeks ago

In an ideal world, there's enough CSS/JS inlined in the HTML that the page layout is consistent and usable without secondary requests.

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