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Google: Dynamic Rendering is Not Cloaking

Google: Dynamic Rendering is Not Cloaking

Google recently updated one of its developer documents to clarify that dynamic rendering is not cloaking.

As Google’s Martin Splitt says, this may not come as a surprise, but it does get asked often enough to warrant official clarification.

The updated documentation reads:

“Googlebot generally doesn’t consider dynamic rendering as cloaking. As long as your dynamic rendering produces similar content, Googlebot won’t view dynamic rendering as cloaking.”

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Google also clarifies that error pages produced as a result of implementing dynamic rendering are not considered cloaking either.

The only instance in which dynamic rendering could be considered cloaking is if it’s used to serve different content to users and crawlers.

“Using dynamic rendering to serve completely different content to users and crawlers can be considered cloaking. For example, a website that serves a page about cats to users and a page about dogs to crawlers can be considered cloaking.”

This is an important clarification for Google to make because cloaking is a violation of Google’s Webmaster Guidelines. That means it could impact rankings and even result in penalties.

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However, if you’re using dynamic rendering as it’s intended to be used, then you won’t have to worry about violating Google’s guidelines.

Not all sites need to use dynamic rendering. It’s primarily intended for JavaScript-generated content that changes rapidly, or content that uses JavaScript features that aren’t supported by web crawlers.

The benefit of using dynamic rendering is that it helps Googlebot crawl and render JavaScript content faster, which can lead to speedier indexing in search results.

For more information about dynamic rendering, see these resources:


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Matt Southern

Lead News Writer at Search Engine Journal

Matt Southern has been the lead news writer at Search Engine Journal since 2013. With a degree in communications, Matt ... [Read full bio]

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