We have several websites on different domains and I’d like to be able to track users’ movements on these sites.
- Obviously cookies are not feasable, because they don’t cross domain borders.
- I could look at a combination of IP address and User Agent, but there are some cases where that does not work.
- I don’t want to use flash or other plugins.
Any ideas? Or am I doomed to rely on the IP/User_Agent combination?
You can designate one domain or subdomain to tracking and have it serve a 1×1 pixel image which you include in all pages you would like to track. Serve a cookie with the image, look at the tracking domain’s server logs, voilà.