Not found pages should keep the wrong URL and show Status Code 404

[AndreiMaz]

Google recommends that NotFound pages should keep the wrong URL and show Status Code 404. All NopCommerce versions (including current) redirects (302) response to /page-not-found (200).

[AndreiMaz]

One of suggested fixes (TODO - should be refactored to use the content of the "/page-not-found" page.

CommonController GenericUrl()
{
//return InvokeHttp404(); //this is the problem
//This is the fix
ViewBag.Err = $"URL {Request.Path} is not found";
Response.StatusCode = 404;
Response.ContentType = "text/html";
return View("PageNotFound");
}
and Views/common/PageNotFound.cshtml

@*

@t("PageTitle.PageNotFound")

*@

@Html.Raw(ViewBag.Err)

Sincerely,
Alex

[RomanovM]

See also #6966