Ignore URL Parameters
The option ‘Ignore URL parameters’ applies to Visitor Nudges. Visitor Nudges show recent visitors of the pages on your website. ‘Ignore URL parameters’ gives you the option to include or exclude visitors with URL parameters in recent visitors that show in your Nudges.
You can find this setting in the ‘Behaviour’ tab of the Site Settings page.

What are URL parameters?
URL parameters are expressions added to URLs. They come after the ‘path’, and form the part of the URL that is called the ‘query string’.

When to ignore URL parameters
Most website owners use this query string section to pass in tracking variables which don’t have an effect on the content of the page. This means that, effectively, the following two links are the same, except one has a tracking parameter:
http://www.example.com/newsletter
http://www.example.com/newsletter?utm_medium=mobile
?utm_medium=mobile
won’t be counted as a visitor and won’t show in your Visitor Nudges
When not to ignore URL parameters
In some other situations, you may be using your query string to modify the content of the page. You might, for example, show different content on the page depending on the category a visitor selected previously. This can result in links with different URL parameters, such as:
