# The Perils of Hydration

DevFeed: [The Perils of Hydration](<https://devfeed.tech/articles/the-perils-of-hydration-45238.md>)

Original publisher: [Read original article](<https://www.joshwcomeau.com/react/the-perils-of-rehydration/>)

Author: Josh W. Comeau

Published: 2020-03-02T14:00:00Z

Content type: tutorial

Language: en

Sources: [Josh Comeau's blog](<https://devfeed.tech/sources/josh-comeau-s-blog.md>)

Topics: [React](<https://devfeed.tech/topics/react.md>), [Server-side rendering](<https://devfeed.tech/topics/server-side-rendering.md>), [gatsby](<https://devfeed.tech/topics/gatsby.md>), [Next.js](<https://devfeed.tech/topics/next-js.md>), [Web](<https://devfeed.tech/topics/web.md>), [debugging](<https://devfeed.tech/topics/debugging.md>)

Tags: [debug](<https://devfeed.tech/tags/debug.md>), [devtools](<https://devfeed.tech/tags/devtools.md>), [react](<https://devfeed.tech/tags/react.md>), [rendering](<https://devfeed.tech/tags/rendering.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>), [web](<https://devfeed.tech/tags/web.md>)

## AI overview

A deep-dive tutorial explains how React server-side rendering and hydration can produce unexpected rendering errors. It compares client-side and server-side rendering and discusses approaches for building dynamic web applications without these issues.

## Source excerpt

A surprisingly-common misconception can lead to big rendering issues that are difficult to debug. This deep-dive tutorial examines how React and Gatsby can be used to pre-render content, and how we can work around the constraints to build dynamic, personalized web apps.