Hydration
Hydration is the step where a page that arrived as plain text has its interactive behaviour attached by code.
In a little more detail
It matters here only as reassurance: a site can be fully interactive and still send readable text first. The two are not a trade-off.
Related terms
- Server-side rendering: Server-side rendering means the page arrives from the server with its text already in it.
- Client-side rendering: Client-side rendering means the page arrives nearly empty and its content is built by code running in the visitor's browser.
See it on your own site
The scan reads your site the way AI search does and reports where you stand on this and sixteen other checks.