"Google updated its JavaScript SEO documentation for the third time this week, this time to say that "while pages with a 200 HTTP status code are sent to rendering, this might not be the case for pages with a non-200 HTTP status code." The changes include adding the words "with a 200 HTTP status code" to this line "Googlebot queues all pages with a 200 HTTP status code for rendering.""
"Google also added this new note, that says: All pages with a 200 HTTP status code are sent to the rendering queue, no matter whether JavaScript is present on the page. If the HTTP status code is non-200 (for example, on error pages with 404 status code), rendering might be skipped. Here is a screenshot of the section of the page that was updated: Google also updated its JavaScript canonical advice and noindex tag advice this week."
Google clarified JavaScript rendering behavior by specifying that Googlebot queues all pages with a 200 HTTP status code for rendering. The guidance states that all 200 responses are sent to the rendering queue regardless of whether JavaScript is present on the page. Pages that return non-200 HTTP status codes, such as 404 error pages, might have rendering skipped. The documentation change involved adding the phrase "with a 200 HTTP status code" to an existing line. Google also updated guidance related to JavaScript canonical handling and noindex tag behavior, and a screenshot of the updated section was provided.
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