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. CIRCUITOUS ROUTES AND TRANSLATIONS Question: Is there PageRank boost from .edu or