diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 902ba0e..0692ab3 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -16,3 +16,9 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+
+    # Maintain dependencies for Dev Containers
+  - package-ecosystem: "devcontainers"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.gitignore b/.gitignore
index ab1af59..be5204b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -135,6 +135,7 @@ _ReSharper*/
 # TeamCity is a build add-in
 _TeamCity*
 
+# Generic coverage output directory
 coverage/
 
 # DotCover is a Code Coverage Tool
diff --git a/src/Client/Client.csproj b/src/Client/Client.csproj
index fe01620..3a866ee 100644
--- a/src/Client/Client.csproj
+++ b/src/Client/Client.csproj
@@ -8,7 +8,7 @@
     <Title>Microsoft Graveyard</Title>
     <Description>🪦 The virtual graveyard for all products killed by Microsoft</Description>
     <Authors>VictorFrye</Authors>
-    <RepositoryUrl>https://github.com/victorfrye/microsoft-graveyard</RepositoryUrl>
+    <RepositoryUrl>https://github.com/victorfrye/microsoftgraveyard</RepositoryUrl>
 
     <AssemblyName>VictorFrye.MicrosoftGraveyard.Client</AssemblyName>
     <RootNamespace>VictorFrye.MicrosoftGraveyard.Client</RootNamespace>
diff --git a/src/Client/Components/Content/Graveyard.razor b/src/Client/Components/Content/Graveyard.razor
index 73b9640..e4db575 100644
--- a/src/Client/Components/Content/Graveyard.razor
+++ b/src/Client/Components/Content/Graveyard.razor
@@ -1,3 +1,5 @@
+@inject TimeProvider TimeProvider
+
 <ul class="d-flex flex-wrap justify-content-center p-0">
     @foreach (var corpse in Corpses)
     {
@@ -8,25 +10,26 @@
 @code {
     [Parameter]
     public IList<Corpse> Corpses { get; init; } = [];
+    private static DateOnly _today = DateOnly.FromDateTime(TimeProvider.System.GetLocalNow().DateTime);
 
     private RenderFragment<Corpse> GraveTemplate = (corpse) =>
     @<li class='col-8 col-md-5 col-xl-3 d-flex my-3 mx-md-4 rounded text-light'>
         <div class="d-flex flex-column p-1">
-            @if (corpse.IsDead())
+            @if (corpse.IsDead(_today))
         {
-            <img src="/images/headstone.svg" class="img-grave m-2" />
+            <img src="/images/headstone.svg" class="img-grave m-2" alt="headstone" />
             <p class="text-life-dates text-center">@corpse.GetLifeDates()</p>
         }
         else
         {
-            <img src="/images/coffin.svg" class="img-grave m-2" />
+            <img src="/images/coffin.svg" class="img-grave m-2" alt="coffin" />
             <p class="text-life-dates text-center">@corpse.GetExpectedDeathDate()</p>
         }
         </div>
 
         <div class="d-block p-1">
             <h2><a href=@corpse.Link target="_blank">@corpse.GetFullName()</a></h2>
-            <p>@corpse.GetObituary()</p>
+            <p>@corpse.GetObituary(_today)</p>
         </div>
     </li>;
 }
diff --git a/src/Client/Components/Content/SocialButtons.razor b/src/Client/Components/Content/SocialButtons.razor
index 2951bfd..d81eeff 100644
--- a/src/Client/Components/Content/SocialButtons.razor
+++ b/src/Client/Components/Content/SocialButtons.razor
@@ -1,9 +1,9 @@
-<ul class="d-flex flex-row flex-nowrap gap-3 p-0 pb-3">
+<div class="d-flex flex-row flex-nowrap gap-3 p-0 pb-3">
     @foreach (var social in Socials)
     {
         @ButtonTemplate(social)
     }
-</ul>
+</div>
 
 @code {
     [Parameter]
diff --git a/src/Client/Models/Corpse.cs b/src/Client/Models/Corpse.cs
index 8ce7e19..df9c466 100644
--- a/src/Client/Models/Corpse.cs
+++ b/src/Client/Models/Corpse.cs
@@ -11,9 +11,7 @@ public class Corpse(string name, string? qualifier, DateOnly? birthDate, DateOnl
     public string Description { get; init; } = description;
     public string Link { get; init; } = link;
 
-    private readonly DateOnly _now = DateOnly.FromDateTime(DateTime.Now);
-
-    public bool IsDead() => DeathDate <= _now;
+    public bool IsDead(DateOnly today) => DeathDate <= today;
 
     public string GetExpectedDeathDate() => $"{DeathDate:MMMM yyyy}";
 
@@ -21,25 +19,26 @@ public class Corpse(string name, string? qualifier, DateOnly? birthDate, DateOnl
 
     public string GetFullName() => Qualifier is null ? Name : $"{Name} ({Qualifier})";
 
-    public string GetObituary()
+    public string GetObituary(DateOnly today)
     {
         var obituary = new StringBuilder();
+        var isDead = IsDead(today);
 
-        if (IsDead())
+        if (isDead)
         {
-            var (age, period) = GetAge(DeathDate, _now);
+            var (age, period) = GetAge(DeathDate, today);
             var message = age == 0 ? "today" : $"{age} {period} ago";
             obituary.Append($"Killed by Microsoft {message}, ");
         }
         else
         {
-            var (age, period) = GetAge(_now, DeathDate);
+            var (age, period) = GetAge(today, DeathDate);
             obituary.Append($"To be killed by Microsoft in {age} {period}, ");
         }
 
-        obituary.Append($"{Name} {(IsDead() ? "was" : "is")} {Description}.");
+        obituary.Append($"{Name} {(isDead ? "was" : "is")} {Description}.");
 
-        if (IsDead() && BirthDate is not null)
+        if (isDead && BirthDate is not null)
         {
             var (age, period) = GetAge(BirthDate.Value, DeathDate);
             obituary.Append($" It was {age} {period} old.");
diff --git a/src/Client/Program.cs b/src/Client/Program.cs
index f7be275..ee27a46 100644
--- a/src/Client/Program.cs
+++ b/src/Client/Program.cs
@@ -7,6 +7,8 @@
 builder.RootComponents.Add<App>("#app");
 builder.RootComponents.Add<HeadOutlet>("head::after");
 
-builder.Services.AddHttpClient();
+builder.Services
+    .AddHttpClient()
+    .AddSingleton(TimeProvider.System);
 
 await builder.Build().RunAsync();
diff --git a/src/Client/wwwroot/robots.txt b/src/Client/wwwroot/robots.txt
new file mode 100644
index 0000000..e13ab89
--- /dev/null
+++ b/src/Client/wwwroot/robots.txt
@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://microsoftgraveyard.com/sitemap.xml
diff --git a/src/Client/wwwroot/sitemap.xml b/src/Client/wwwroot/sitemap.xml
new file mode 100644
index 0000000..685b24a
--- /dev/null
+++ b/src/Client/wwwroot/sitemap.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://microsoftgraveyard.com/</loc>
+  </url>
+</urlset>
diff --git a/tests/Unit/Models/CorpseTests.cs b/tests/Unit/Models/CorpseTests.cs
index 95407a2..e0c7e00 100644
--- a/tests/Unit/Models/CorpseTests.cs
+++ b/tests/Unit/Models/CorpseTests.cs
@@ -6,16 +6,16 @@ namespace VictorFrye.MicrosoftGraveyard.Tests.Unit.Models;
 
 public class CorpseTests
 {
-    private static readonly DateOnly Now = DateOnly.FromDateTime(DateTime.Now);
+    private static readonly DateOnly GivenDate = new(2024, 1, 22);
 
     [Fact]
     public void ShouldReturnIsAlive()
     {
         // Arrange
-        var dateToBeKilled = Now.AddYears(1);
+        var dateToBeKilled = GivenDate.AddYears(1);
 
         // Act
-        var actual = NewMockCorpse(deathDate: dateToBeKilled).IsDead();
+        var actual = NewMockCorpse(deathDate: dateToBeKilled).IsDead(GivenDate);
 
         // Assert
         Assert.False(actual);
@@ -25,10 +25,10 @@ public void ShouldReturnIsAlive()
     public void ShouldReturnIsDead()
     {
         // Arrange
-        var dateToBeKilled = Now.AddYears(-1);
+        var dateToBeKilled = GivenDate.AddYears(-1);
 
         // Act
-        var actual = NewMockCorpse(deathDate: dateToBeKilled).IsDead();
+        var actual = NewMockCorpse(deathDate: dateToBeKilled).IsDead(GivenDate);
 
         // Assert
         Assert.True(actual);
@@ -106,7 +106,7 @@ public void ShouldReturnObituaryWhenKilledTodayAndBirthKnown()
         var expected = "Killed by Microsoft today, Skype was a video calling service. It was 1 year old.";
 
         // Act
-        var actual = NewMockCorpse(name: "Skype", birthDate: Now.AddYears(-1), deathDate: Now, description: "a video calling service").GetObituary();
+        var actual = NewMockCorpse(name: "Skype", birthDate: GivenDate.AddYears(-1), deathDate: GivenDate, description: "a video calling service").GetObituary(GivenDate);
 
         // Assert
         Assert.Equal(expected, actual);
@@ -119,7 +119,7 @@ public void ShouldReturnObituaryWhenKilledYesterdayAndBirthUnknown()
         var expected = "Killed by Microsoft 1 day ago, Skype was a video calling service.";
 
         // Act
-        var actual = NewMockCorpse(name: "Skype", birthDate: null, deathDate: Now.AddDays(-1), description: "a video calling service").GetObituary();
+        var actual = NewMockCorpse(name: "Skype", birthDate: null, deathDate: GivenDate.AddDays(-1), description: "a video calling service").GetObituary(GivenDate);
 
         // Assert
         Assert.Equal(expected, actual);
@@ -132,7 +132,7 @@ public void ShouldReturnObituaryWhenKilledTwoDaysAgoAndBirthFourMonthsAgo()
         var expected = "Killed by Microsoft 2 days ago, Skype was a video calling service. It was 4 months old.";
 
         // Act
-        var actual = NewMockCorpse(name: "Skype", birthDate: Now.AddMonths(-4), deathDate: Now.AddDays(-2), description: "a video calling service").GetObituary();
+        var actual = NewMockCorpse(name: "Skype", birthDate: GivenDate.AddMonths(-4), deathDate: GivenDate.AddDays(-2), description: "a video calling service").GetObituary(GivenDate);
 
         // Assert
         Assert.Equal(expected, actual);
@@ -145,7 +145,7 @@ public void ShouldReturnObituaryWhenKilledLastMonthAndTwoDaysAgoAndBornLastDecad
         var expected = "Killed by Microsoft 1 month ago, Skype was a video calling service. It was 9 years old.";
 
         // Act
-        var actual = NewMockCorpse(name: "Skype", birthDate: Now.AddYears(-10), deathDate: Now.AddMonths(-1).AddDays(-2), description: "a video calling service").GetObituary();
+        var actual = NewMockCorpse(name: "Skype", birthDate: GivenDate.AddYears(-10), deathDate: GivenDate.AddMonths(-1).AddDays(-2), description: "a video calling service").GetObituary(GivenDate);
 
         // Assert
         Assert.Equal(expected, actual);
@@ -158,7 +158,7 @@ public void ShouldReturnObituaryWhenToBeKilledNextYear()
         var expected = "To be killed by Microsoft in 1 year, Skype is a video calling service.";
 
         // Act
-        var actual = NewMockCorpse(name: "Skype", birthDate: Now, deathDate: Now.AddYears(1), description: "a video calling service").GetObituary();
+        var actual = NewMockCorpse(name: "Skype", birthDate: GivenDate, deathDate: GivenDate.AddYears(1), description: "a video calling service").GetObituary(GivenDate);
 
         // Assert
         Assert.Equal(expected, actual);
@@ -171,7 +171,7 @@ public void ShouldReturnObituaryWhenToBeKilledNextMonth()
         var expected = "To be killed by Microsoft in 1 month, Skype is a video calling service.";
 
         // Act
-        var actual = NewMockCorpse(name: "Skype", birthDate: Now, deathDate: Now.AddMonths(1), description: "a video calling service").GetObituary();
+        var actual = NewMockCorpse(name: "Skype", birthDate: GivenDate, deathDate: GivenDate.AddMonths(1), description: "a video calling service").GetObituary(GivenDate);
 
         // Assert
         Assert.Equal(expected, actual);
@@ -184,7 +184,7 @@ public void ShouldReturnObituaryWhenToBeKilledInTwoMonthsMinusADay()
         var expected = "To be killed by Microsoft in 2 months, Skype is a video calling service.";
 
         // Act
-        var actual = NewMockCorpse(name: "Skype", birthDate: Now, deathDate: Now.AddMonths(2), description: "a video calling service").GetObituary();
+        var actual = NewMockCorpse(name: "Skype", birthDate: GivenDate, deathDate: GivenDate.AddMonths(2), description: "a video calling service").GetObituary(GivenDate);
 
         // Assert
         Assert.Equal(expected, actual);
@@ -202,7 +202,7 @@ private static Corpse NewMockCorpse(
             name,
             qualifier,
             birthDate,
-            deathDate ?? Now,
+            deathDate ?? GivenDate,
             description,
             link);
     }
diff --git a/tests/Unit/UnitTests.csproj b/tests/Unit/UnitTests.csproj
index eb8ddeb..a7de4d1 100644
--- a/tests/Unit/UnitTests.csproj
+++ b/tests/Unit/UnitTests.csproj
@@ -25,6 +25,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
+        <PackageReference Include="Microsoft.Extensions.TimeProvider.Testing" Version="8.1.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
 
 		<PackageReference Include="bunit" Version="1.26.64" />