Dynamic rendering means switching between client-side rendered and pre-rendered content for specific user agents.

Dynamic rendering requires your web server to detect crawlers (for example, by checking the user agent). Requests from crawlers are routed to a renderer, requests from users are served normally. Where needed, the dynamic renderer serves a version of the content that’s suitable to the crawler, for example, it may serve a static HTML version. You can choose to enable the dynamic renderer for all pages or on a per-page basis.

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.

Install and configure a dynamic renderer to transform your content into static HTML that’s easier for crawlers to consume. Some common dynamic renderers are Puppeteer, Rendertron, and prerender.io.