Can you "attack" competing sites by redirecting from the penalty site?

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Can you "attack" competing sites by redirecting from the penalty site?

Even if the administrative site receives a penalty and launches a new site in another domain, redirect (301 setting) from the original management site should not be done. The penalty of the original site will be handed over to the new site.

If you redirect 301 from penasite to competitive site using this mechanism, it seems that it is likely that a negative SEO attack will be made. Google answered this question.

Redirect attack from Pena domain "can not"

To this question, Google's John Muller immediately answered in Google's video forum (English) last weekend as follows.

(You can not attack other sites with redirects).

The reason why it can not be done is that Google can discriminate between domain transfer from the original site to another site and redirection from the original site to another unrelated existing site It is that.

Automatic judgment of redirect status by algorithm

Mueller's actual answer is as follows.

In the past, we have seen a lot of people who received penalties trying to redirect to competing sites or sites they disliked. But these things can be picked up by Google's algorithm.

If it is recognized that some factor of the problem (penalty) is being redirected to another existing site, it is determined that it is not trying to link the different sites to one big site I will do.

Will not erroneous judgment occur?

Reading the above remarks is a nearly automated process, which means Google can identify these malicious redirects. But will not erroneous judgment occur? Muller adds as follows.

In addition, these things (redirects to existing sites) are also happening by chance. For example, a domain dealer redirects from a domain that has expired but a manual penalty to a normal landing page.

This case is not trying to inherit the landing page to PageRank etc (like a good signal), it's just trying to send the user to another domain. In this case, Google will not take over anything to the new domain.

Google will try to distinguish between relocating the domain and redirecting to another existing domain by someone. Therefore, if you transfer the site to the new domain, Google will transfer various signals to the new domain.

Somewhat roundabout way of saying, that is

"Although it can not be said perfectly, it is only when there is a meaning to properly ensure that various signals like PageRank or penalty are handed over to the redirect destination, so be safe."

It seems to be said that.

The handling of redirects becomes more and more obvious

So far, many concerns have been raised about concerns (= concerns about redirects from penalty domains), but I think that there are not a few clearer parts by Mueller's remarks this time.

Google's approach to negative SEO as it appeared in this story seems to deserve a certain evaluation.

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