onet changed a lot in their search engine lately. it looks like that old tricks doesn't work any more. also reasults from one domain are grouped (earlier it was possible to have position 1-20 by one one site).
Our 150 page dot-com in Polish used to command the first two pages of search replies for the best possible single keyword. Now the default search is for Polish sites and users have to click the "Swiatowy" flap to get non-pl sites. We are down from #1 to #15 there. Fortunately the Poles are taking Google to their hearts, where we are #2 for the most important single keyword. So, this is what has happened in our logs:
2004 Google 4.935 visitors = 39% of all SE traffic Onet 6.725 visitors = 53% of all
2005 to date Google 12.073 visitors = 75% of all Onet 3.049 visitors = 20% of all
Also worth noticing is that Onet doesn't seem to pay any attention any more to keyword in <title> or url when ranking. Our url has the form Keyword1-keyword2.com and that doesn't seem to help us as much as it does in Google.