Robert_Charlton - 7:51 pm on Jun 9, 2012 (gmt 0)
So, do we still think that once the cancerous links are removed that we would still need to wait for penguin to be refreshed or would the site recover without the refresh?
All this is conjecture... but I think that Penguin needs to be refreshed periodically, not in real time, in part because it's evaluating not just a page or a site, but (inter)linking signals over the entire network.
I assume that it's also looking at things like hidden redirects and historical signals... and all those extra signals require not only extra computation, but also some accumulation and comparison of data that can't be done on a realtime basis.
The premise of the original question on this thread, in fact, assumed an historical perspective... ie, "if you remove links too fast?" Calculating a rate of removal would require observing link removal over a period of time.
Quicker link removal probably would suggest to Google a greater degree of coordination and control, but that would only be confirming their original spam assessment, so I feel there's little risk involved in that... if you can distinguish your own good links from your bad ones. ;)
To address another point raised by indyank while I'm posting...
But if they had already ignored unnatural links, this new algorithmic penalty action for such links, through Penguin, is totally absurd.
As I remember Matt Cutts saying somewhere, indexing and monitoring those discounted links is a drain on Google resources, and they'd like to get rid of them.
Also, as noted, Google is now capitalizing on the fear and uncertainty created by this situation. Google has made its position on paid links that transmit PageRank clear for quite some time, but until now hasn't done much about it. If I were to fault Google on anything here... it's that they kept saying "no" but only took what appeared to be half-hearted steps to indicate that they really meant "no". (I should also say, though, that there probably are some good reasons why Google did take its time.)
Now, though, Google apparently does means "no"... and they've demonstrated teeth to back that up. I'd say that it's up to every link buyer to assess how well Google can actually spot what types of links. Note also that throwaway domains may be able to tolerate a different level of risk than branded domains you or your clients would like to keep.