The part of the URL starts with a question mark and has details after this. This is used to track visitors to a website for specific campaigns. The text in bold is an example of a URL Parameter.
http://example.com?product=1234&utm_source=google
The part of the URL starts with a question mark and has details after this. This is used to track visitors to a website for specific campaigns. The text in bold is an example of a URL Parameter.
http://example.com?product=1234&utm_source=google