@model MvcSiteMapProvider.Web.Html.Models.CanonicalHelperModel
@using System.Web.Mvc.Html
@using MvcSiteMapProvider.Web.Html.Models

@if (Model.CurrentNode != null && !string.IsNullOrWhiteSpace(Model.CurrentNode.CanonicalUrl)) {
    <link rel="canonical" href="@Model.CurrentNode.CanonicalUrl" />
}