Position: This is used for the x-axises of many chart email lists australia s. For these charts, this is specific to the organic position in Google.com, excluding any vertical or non-traditional search results (local, video, news, images, etc.) Error Bars: The bars that bound the trend lines in our charts can show the confidence of two different things. On some charts, they show the 95% of confidence of where the mean will be if we had infinite analogous data.

These error bars show how confident we are in the line, and frequently have the word "stderr" in the title. On other charts, they are our confidence of what any given SERP will look like. of what the average of many SERPs will be than we are what any given SERP will look like. Charts with these error bars are frequently labeled with "stddev" in the title.