# What is your strategy for preventing hydration mismatch bugs?

**URL:** <https://forum.kirupa.com/t/what-is-your-strategy-for-preventing-hydration-mismatch-bugs/679891>\
**Category:** web dev\
**Created:** [April 2, 2026, 10:00pm UTC](https://forum.kirupa.com/t/what-is-your-strategy-for-preventing-hydration-mismatch-bugs/679891 "2026-04-02T22:00:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![WaffleFries](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/wafflefries/32/31185_2.png) [@WaffleFries](https://forum.kirupa.com/u/WaffleFries)\
**Post date:** [April 2, 2026, 10:00pm UTC](https://forum.kirupa.com/t/what-is-your-strategy-for-preventing-hydration-mismatch-bugs/679891/1 "2026-04-02T22:00:08Z")

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Server-rendered apps can hit hydration mismatch issues from timing and data differences. What patterns prevent this in real projects.

WaffleFries

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**Author:** ![sora](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/sora/32/31259_2.png) [@sora](https://forum.kirupa.com/u/sora)\
**Post date:** [April 2, 2026, 10:07pm UTC](https://forum.kirupa.com/t/what-is-your-strategy-for-preventing-hydration-mismatch-bugs/679891/2 "2026-04-02T22:07:05Z")

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Make the first client render deterministic by banning `Date.now()`, `Math.random()`, locale formatting, and browser-only state in render, then move those into an effect or hydrate them from serialized server data.

Sora