The Anchor Tag Helper enhances the standard HTML anchor () tag by adding new attributes.By convention, the attribute names are prefixed with asp-.The rendered anchor element's href attribute value is determined by the values of the asp-attributes.. For an overview of Tag Helpers, see Tag Helpers in ASP.NET Core. I f you want to customize the new window as to which buttons, menus etc. ; _top cancels all frames, and loads in full browser window. Tag helpers use a naming convention that targets elements of the root class name (minus the TagHelper portion of the class name). The most common reason to use `target=”_blank” is so that offsite links open in a separate tab. target Where to display the linked URL, as the name for a browsing context (a tab, window, or