At Rankpulse.com you can see a visualization of the changes within the Google-Index. For this, they take the first 10 results for 1000 Keywords and graphically compare them to those of the day before.
At Rankpulse.com you can see a visualization of the changes within the Google-Index. For this, they take the first 10 results for 1000 Keywords and graphically compare them to those of the day before.