: Multiple 301 redirect and massive loss of ranking I just remade from scratch a website for a client, the client ask me to preserve their ranking by making 301 redirect from the original URL

@Michele947

Google does not consider 301 redirects to be duplicate content.

What might be happening, though, is that when Google first crawled your original redirects, they added the target pages to their queue for later recrawling. But by the time they got around to actually crawling those pages, you'd reversed the redirects so that they were pointing back to the original URLs. So now Google thinks you've got pairs of pages redirecting to each other in an infinite loop, which is obviously not a useful result to return to users.

If so, the problem should resolve itself as soon as Google recrawls your original URLs and finds that they're no longer redirected. This is likely to take at least a few days, comparable to the time it took for Google to discover the original redirects to begin with. (it might take longer — Google is pretty quick to crawl new URLs, but seems to treat recrawling of previously seen URLs as a lower-priority task.) One trick that might help speed up the process could be to (re)submit an XML sitemap of your site to Google.

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