public static string Description <T>(this MaterialCMSPage <T> page) where T : Webpage
 {
     return(page.ViewData[PageDescriptionKey] as string ?? page.Model.MetaDescription);
 }
 public static string Keywords <T>(this MaterialCMSPage <T> page) where T : Webpage
 {
     return(page.ViewData[PageKeywordsKey] as string ?? page.Model.MetaKeywords);
 }
 public static string PageTitle <T>(this MaterialCMSPage <T> page) where T : Webpage
 {
     return(page.ViewData[PageTitleKey] as string ?? page.Model.GetPageTitle());
 }