I noticed that in statistics section of many CPA campaign, it has Statistics by OS and Statistics by Browsers. I don't know what such info is for and how can I make use of that.
Can anyone here help me explain this?
I submitted a sitemap to google (http://wheredotheystand.org.uk/sitemap.php) with 3780 urls. Only the homepage was indexed. The other 3779 urls are controlled by one php file, each with different GET parameter ...