What is cross domain?
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what is cross domain?
can any one explain in simple language ?
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Are referring to cross-domain tracking in Google Analytics?
If yes, in the most basic sense, it's a way for you to share the same Analytics tracking code with multiple domains, subdomains, etc.
I'm a visitor on your website www.ilovepeanuts.com. Your website sells peanut brittle. It just so happens I love peanut brittle, so I decide to buy some from your website.
The only problem is, when I get to your shopping cart, it resides on store.ilovepeanuts.com. If you don't enable cross domain tracking and use the same tracking code on both www.ilovepeanuts.com AND store.ilovepeanuts.com, you lose valuable data about my user experience on store.ilovepeanuts.com
Cross domain tracking allows you to preserve the same visitor data between your website and your store website.
Hope that's a simple enough explanation.
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I imagine you were looking for the answer posted by EEE3 regarding Google Analytics, but just wanted to mention that term is also common on the more technical side of web development, relating to both Flash & Javascript, and I imagine some other languages.
Moreover, it refers to situations where a program on a site, or in your browser (javascript) is trying to communicate with and access data from another website / domain name.
For instance, if you have a flash program on your website that accesses data (such as photos) from another website, the website hosting the actual data may need to add your website to their crossdomain.xml file.