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Many of the rankings that were dropped were ranked on page 1-2 for 5+ years...

just to clarify I am NOT talking about daily serps movements - I am talking about massive drop by 200-300 places...  and show pre-Penguin results and then post-Penguin results...

We had one of the pre-penguin "unnatural links " messages in WMT - then Penguin hit April 24th/25th..

wee then set to work on Link profile...

since 19th May we have had numerous search phrases come 'back' into rank pre-penguin for a day ie.. #5 - #10 and then drop the next.. ie 300+

this has been happening across a wide range of key phrases.... in fact it may well be that the key phrases are added to the serps 'briefly' or for a set amount of time... but our ranking checker checks daily so while it appears to be every other day in and out there may be another pattern...

but the question is What is Google doing here and Why?

any suggestions?

We had one of the pre-penguin "unnatural links " messages in WMT - then Penguin hit April 24th/25th..

wee then set to work on Link profile...

since 19th May we have had numerous search phrases come 'back' into rank pre-penguin for a day ie.. #5 - #10 and then drop the next.. ie 300+

this has been happening across a wide range of key phrases.... in fact it may well be that the key phrases are added to the serps 'briefly' or for a set amount of time... but our ranking checker checks daily so while it appears to be every other day in and out there may be another pattern...

but the question is What is Google doing here and Why?

any suggestions?