在客户端拥有自己的跟踪代码

Question

I would appreciate bit help with some tracking issues. We have a site which sells a product and on a specific page there is a list of all sellers. When somebody goes to our page by clicking on link there with GET argument (http://example.com?url=example.com) the site is saved into our cookies named sellers and only those sellers which are in the cookie are listed instead of listing all of them.

My quest is if there is any way how to create a tracking code (or something which will better do the job) which we can give to the sellers to put it into their website (as Google Analytics or FB tracking code) to create and store a cookie with this kind of information? This will be used if the client after visiting their store go to our website (not directly, in last 30 days) and only visited stores will be listed?

I would be even happy for some links, I've googled a bit, but probably bad way without result. Thanks a lot in advance

Answer 1

You can achieve this by telling him to just add one transparent blank image tag and give the php file as the src attritube of that image and put sellere tracking code in that file. like:

 <img src="trackSeller.php" />

code in trackSeller.php :

//Code for fetching seller id and track 
//Trackong code
$img_data = file_get_contents($imgPath);
header("Content-type: image/png");
echo $img_data;