Hi Richard, Thanks for the great example graph of Googs rankings CTR. Can I ask where you sourced this data graph from? Doesn’t quite give you enough info. I presume its been plotted using data thats been gathered from multiple sources, externally from Google.
It took a long time but Google webmaster tools providing analytics that was previously unobtainable, is a fantastic benifit to any webmaster looking to improve their CTR in the Google SERPs. The data, such as, keyword search impressions, Clicks on your listing and the CTR for each keyword. It has amazed me how the listings CTR can increase by 10% – 15% from a position just one ranking higher. Here is an example from my stats.
This is for one 3 word keyphrase for a time period of 30 days. Obviously the ranking for that page wasnt very stable but this gives the best data.