Canonicalization happens both before and after rendering. Conflicting canonical signals between raw HTML and JavaScript output can cause unexpected indexing results. Google recommends setting the ...

A crawler that reads only raw HTML sees the page before JavaScript executes, so any content, link, or canonical injected at ...

Googlebot queues pages for both crawling and rendering. It is not immediately obvious when a page is waiting for crawling and when it is waiting for rendering. When Googlebot fetches a URL from the ...