Html Helper to support CDN Url.Content locations in ASP.NET MVC

Settings.cs

    public class Settings : ConfigurationSection
    {
        [ConfigurationProperty("enabled", DefaultValue = "false", IsRequired = true)]
        public bool Enabled
        {
            get { return (bool)this["enabled"]; }
            set { this["enabled"] = value; }
        }

        [ConfigurationProperty("cloudFrontDomainName", DefaultValue = "", IsRequired = true)]
        public string CloudFrontDomainName
        {
            get { return (string)this["cloudFrontDomainName"]; }
            set { this["cloudFrontDomainName"] = value; }
        }

        public static string SectionName { get { return "frontin"; } }

        public static Settings Load()
        {
            return (Settings)ConfigurationManager.GetSection(SectionName);
        }
    }

UrlExtensions.cs

    public static class UrlExtensions
    {
        public static Lazy<Settings> Configuration { get; set; }

        static UrlExtensions()
        {
            Configuration = new Lazy<Settings>(Settings.Load);
        }

        public static string CdnContent(this UrlHelper helper, string path)
        {
            var underlying = helper.Content(path);

            if (!Configuration.Value.Enabled)
            {
                return underlying;
            }

            var cloudRoot = HttpContext.Current.Request.Url.Scheme + "://" + Configuration.Value.CloudFrontDomainName;

            return underlying.StartsWith("/")
                       ? cloudRoot + underlying
                       : underlying.Replace(HttpContext.Current.Request.Url.Host, Configuration.Value.CloudFrontDomainName);
        }
    }

Web.config

  <configSections>
    <section name="frontin" type="Namespace.Settings, Assembly" requirePermission="false" />
  </configSections>

  <frontin enabled="true" cloudFrontDomainName="xxxxx.cloudfront.net" />