kidder - 2:37 am on Nov 15, 2011 (gmt 0) [edited by: Robert_Charlton at 5:53 am (utc) on Nov 15, 2011]
This is well worth a read if you have not seen it yet.
Ten recent algorithm changes
Official Google Search Blog
Today we’re continuing our long-standing series of blog posts to share the methodology and process behind our search ranking, evaluation and algorithmic changes.... [W]e’re always looking for ways to give you... insight into the over 500 changes we make to search in a given year. In that spirit, here’s a list of ten improvements from the past couple weeks....
[edit reason] added source info and quotes [/edit]
[edited by: Robert_Charlton at 5:53 am (utc) on Nov 15, 2011]