What is the Ajax crawling scheme?

How does the Ajax crawling scheme work?

When a page depends on JavaScript to be properly rendered, a special tag <meta name="fragment" content="!"> is added in the <head> of the page. When a bot detects the presence of this tag in a page, it requests the same URL by appending the query parameter the "_escaped_fragment_=".

By clicking Accept cookies you agree to the storing of third-party cookies on your device to assist us in our marking efforts (Learn more)