The latest AdSense blog carries a major announcement from Google. The search giant has told that from now on, it will be removing not just the earnings that are associated with invalid clicks but also the impressions and clicks that are associated with those invalid clicks.
Google wants its reports to be a more "seamless experience" across its products. Till now, the reports were only removing earning for invalid clicks, but from now the click and impression data for invalid clicks will also be removed.
Google has told that although there will be no effect on the earnings, but you will see changes to the click and impression data. It might also have an impact on the CPC (cost-per-click) and you might see a slightly higher number in RPM (revenue per thousand impressions).
Here's what Google said:
So what does this mean for your AdSense account? First and foremost, this change will not impact your earnings in any way. In most cases, removing the invalid activity from your reports means you can expect to see a slight decrease in clicks and impressions, causing a slight increase in CPC (cost-per-click) and RPM (revenue per thousand impressions). The clicks and impressions that we’ll no longer show in reports include activity like accidental clicks, so metrics like your CTR (clickthrough rate) will more accurately reflect your site's performance. You might also see a more noticeable difference in your AdSense reporting when compared with your own account statistics measured through other tools. Please note that this change won’t affect the way we screen for invalid activity.Google AdSense Makes Changes in the Reports to Do away with Invalid Clicks and Impressions!,