Data point Example Comment <strong>Page URL</strong> <em>https://yoursite.com/pricing</em> We track the page URL of each page view on your website. We use this to show you which pages have been viewed and how many times a particular page has been viewed. <br> <br>The hostname and path are collected. Query parameters are discarded, except for these special query parameters: <code>ref=</code>, <code>source=</code>, <code>utm_source=</code>, <code>utm_medium=</code> and <code>utm_campaign=</code>. <strong>HTTP Referer</strong> <em>https://facebook.com</em> We use the referrer string to show you the number of visitors referred to your website from links on other sites. <strong>