Keep in mind that where on your site you place your cookie notification matters as well. If you place it on a master page the cookie notification will appear on all pages that have that master applied. If you place it on a specific page, like the homepage, it will only appear on that one page.
More GDPR resources
The GDPR is meant to protect users data. Brandcast does not collect any data from users visiting your site, and can do little to help make your site GDPR compliant. You can create a notification to alert users of cookies being used. Visit the following sites to gain a better understanding of what GDPR means for you.