1. Go to this url and log in: https://www.google.com/adsense/start/
2. In the left navigation click on "blocking controls"
3. Click "all sites in the same column.
4. Click "manage advertiser URLs" in the middle of the page
5. Enter URLs you want to block and slide the slider to "block".
2. In the left navigation click on "blocking controls"
3. Click "all sites in the same column.
4. Click "manage advertiser URLs" in the middle of the page
5. Enter URLs you want to block and slide the slider to "block".