In Webmaster today i found this message
As in the screenshot
An improvement to our top search queries data was applied retroactively
Any ideas what this is
It implies that Google has updated its algorithms which now calculate data more accurately. This new update is more accurate and shows the exact number of impressions and clicks. You can Click on “Top Pages” and you’ll notice a vast amount of new and improved keyword data for your URLs. The main benefit of this change is increased accuracy of webmaster tools and its ability to predict scenarios. This will eventually help you to priorities on keywords and pages with higher potential in generating more revenue.
