Added some more tags for SEO

Author: linkdotnet

src/LinkDotNet.Blog.Web/Features/Components/OgData.razor

@@ -2,6 +2,7 @@
 
 <HeadContent>
     <meta name="title" property="og:title" content="@Title" />
+    <link rel="canonical" href="@NavigationManager.Uri" />
     @if (AbsolutePreviewImageUrl != null)
     {
         <meta name="image" property="og:image" content="@AbsolutePreviewImageUrl"/>

src/LinkDotNet.Blog.Web/Features/Home/Components/AccessControl.razor

@@ -22,7 +22,7 @@
         <li class="nav-item"><a class="nav-link" href="logout?redirectUri=@CurrentUri"><i class="lock"></i> Log out</a></li>
     </Authorized>
     <NotAuthorized>
-        <li class="nav-item"><a class="nav-link" href="login?redirectUri=@CurrentUri"><i class="unlocked"></i> Log in</a></li>
+        <li class="nav-item"><a class="nav-link" href="login?redirectUri=@CurrentUri" rel="nofollow"><i class="unlocked"></i> Log in</a></li>
     </NotAuthorized>
 </AuthorizeView>
 

tests/LinkDotNet.Blog.UnitTests/Web/Features/Components/OgDataTests.cs

@@ -1,7 +1,9 @@
 using System.Linq;
 using AngleSharp.Html.Dom;
 using LinkDotNet.Blog.Web.Features.Components;
+using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace LinkDotNet.Blog.UnitTests.Web.Features.Components;
 
@@ -37,6 +39,19 @@ public void ShouldNotSetMetaInformationWhenNotProvided()
         GetMetaTagExists(cut, "description").Should().BeFalse();
     }
 
+    [Fact]
+    public void ShouldSetCanoncialLink()
+    {
+        ComponentFactories.AddStub<HeadContent>(ps => ps.Get(p => p.ChildContent));
+
+        var cut = RenderComponent<OgData>(p => p
+            .Add(s => s.Title, "Title"));
+
+        var link = cut.FindAll("link").FirstOrDefault(l => l.Attributes.Any(a => a.Name == "rel" && a.Value == "canonical")) as IHtmlLinkElement;
+        var expectedUri = Services.GetRequiredService<NavigationManager>().Uri;
+        link.Href.Should().Be(expectedUri);
+    }
+
     private static void AssertMetaTagExistsWithValue(
         IRenderedFragment cut,
         string metaTag,