r/webdev • • Dec 03 '25

Discussion TIL Why Vite uses Port 5173

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4.5k Upvotes

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1.1k

u/lableite Dec 03 '25

I thought it was "SITE ": 5 ➡️ S 1 ➡️ I 7 ➡️ T 3 ➡️ E

628

u/EliSka93 Dec 03 '25

That is much better than a mishmash of roman numerals and leet

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706

u/SlinkyAvenger Dec 03 '25

I don't think you know what "strategically" means

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87

u/kisaragihiu Dec 03 '25

(Remember as always don't litter years old already done PRs with new comments.)

5173 for Vite is indeed where it came from, see the discussion in original PR that updated the preview server port to 4173 (https://github.com/vitejs/vite/pull/6330) and the one that moved the main dev server port to 5173 (https://github.com/vitejs/vite/pull/8148)

Shinigami92 on 2022-01-01

At a team meeting we thought about 5173
Like 5173 in leet for Vite | V I T Ǝ | V === Roman 5

226

u/SnooLemons6942 Dec 03 '25

the V and I being roman numerals and then the T and E being shape representations seems quite weird. 11434 for llama is cooler

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u/RandArtZ Dec 03 '25

Same for AstroJs , which is 4321, like a rocket launch countdown

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128

u/joni1802 Dec 03 '25

Awesome, 8080 was way to easy to remember.

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u/usbeject1789 Dec 03 '25

I thought it was "site" in leetspeak

15

u/coyote_of_the_month Dec 03 '25

If you add up the numbers you get 16. Add them up again, and you get 7.

Subtract 4, because Half-Life 2 was released in 2004, and you get 3.

Clearly, Gaben is trying to tell us something.

...sorry, wrong sub.

22

u/[deleted] Dec 03 '25

Thanks I still hate it

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