A lot is being prepared in Google, yahoo and MSN labs to gain market share. Even though very little changes went live yet, here is a sneak preview of what’s coming next.

Google is currently testing algorithmic changes on selected datacenters and would also increase its databases of indexed pages to over 25 billions.

Yesterday Jagger 2 was rolled out on very specific servers. Part 3 will be sent out by Wednesday next week, new fluctuations are to be expected. websites that came back out of grave during Jagger1 seem to be able to expect resurrection.

Named after the rolling stones idol, the Jagger Google update seems to be a killer for a lot of website, not the majority. Here is a summary of early observations and explanations. We are barely trying to figure out how Google is trying to improve search experience.