SEO means Search Engine Optimisation and any SEO-pro knows Google Landings.
With Google Landings you can easily chart the results of your efforts that you put into SEO during a certain period of time. You can compare the keyword Ratios to other Domains.
Here is a good example of the features. It was created by Google to show the german elections for congress in September 2009 called Bundestagswahl.
By reading the chart one could find out how interested the Germans are in the elections or a particular party at any point in time and compare this to real world events.
Stephan Kristyn Mondstr. 1b 81543 München
Stack Overflow