//DO NOT FORGET TO INSTALL nuget - JTracking
public static IHtmlString JTrackingNoScript(this HtmlHelper html)
{
    using (HtmlTextWriter writer = new HtmlTextWriter(html.ViewContext.Writer, string.Empty))
        jTracking.Html.NoScript(writer, "//PATH-TO-JTRACKING/api/google/tagManager/ns");

    return null;
}