Handling 404 Errors ASP.NET Core

In the file Startup.cs before the line app.UseHttpsRedirection(); in class Configure

app.UseStatusCodePagesWithReExecute("/error/{0}");

HomeController.cs

[Route("error/404")]
public IActionResult Error404()
{
    return View();
}

Example Views/Home/Error404.cshtml

@{
    ViewData["Title"] = "Page not found";
    ViewData["BrowserTitle"] = "Page not found";
    ViewData["Description"] = "Page not found";
}

<h1>Page not found</h1>

<div>
    <table class="table table-striped">
        <tr>
            <td style="font-size: 24px; text-align: center"><a href="/">Go to the main page of the site</a></td>
        </tr>
    </table>
</div>