This tool lets you visually check whether your webpage is server-side rendered (SSR). It also helps you spot which sections of the page are client-rendered and not included in the server-generated HTML.

It loads your URL twice: once with JavaScript disabled to show the server-rendered version, and once with JavaScript enabled to show the regular version. It then displays both versions side by side, allowing a visual comparison to spot which content is client-rendered and potentially missed by search engines or slower to load for users.

Server-side rendering is an approach where the HTML of a webpage is generated on the server and sent to the browser fully formed.

Server-side rendering matters for SEO and performance. Search bots may skip or delay indexing of content that isn't server-side rendered. Server-side rendered content displays faster and improves the core web vitals.

You can read more about server-side rendering here.

Based on the selected device type, the tool can simulate Googlebot as well as regular browser (both desktop and mobile).

Yes. This tool is especially useful for checking JavaScript-heavy sites, including those built with React, Next.js, Vue/Nuxt and Angular. It helps you confirm which parts of the page are actually rendered on the server vs after hydration.

Yes. This tool loads the provided URL in a real browser and resolves redirects like a real browser would.

This tool uses latest version of headless Chromium browser behind the scenes.