Do 301 redirects carry over PageRank?

Where appropriate, ranking signals will be transferred across 301 redirects (if the same page has moved from one URL to another). This may take some time, so you should probably leave the redirect in place as long as you have control over the URL.

How many 301 redirects are acceptable?

It’s ok to chain a few together. The HTTP 1.0 standard allows for a maximum of 5 redirects for a URL, so keep it minimal.

Why do pages translated into different languages each have different rankings in their respective engines?

Google looks at content on a URL-by-URL basis, so even if you have translated top content from one language to another, Google might not treat it the same way as they would treat the original content. It’s also possible that the translated content is not as relevant as other original content in that language. Generally speaking, making sure that your content is as unique and compelling as possible for the users in that target market is the best thing to do.

Do backlinks from bad sites negatively affect my PageRank?

Those links might be positively affecting your PageRank (PageRank does not go down from “bad” links like those from adult sites). In general, you don’t have to worry about bad links like that which point to your site that aren’t under your control.

How often does your search algorithm change?

We change the algorithms all the time – last year we had over 450 changes.

Could sharing an IP address with a bad site get my site penalized?

The situations where it would matter are when the server is overloaded (can’t respond to your visitors) and when it’s incorrectly configured (not returning your site to your visitors). But otherwise that is no longer a concern.

Does Google have a problem with rank-checking software?

Rank-checking software is against Google’s Terms of Service and could result in blocking your IP address, and it doesn’t really help, especially when it comes to personalized or geotargeted results.

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