diff --git a/ProjectLighthouse.Servers.GameServer/Startup/GameServerStartup.cs b/ProjectLighthouse.Servers.GameServer/Startup/GameServerStartup.cs
index 9fcf4a66..0868d72d 100644
--- a/ProjectLighthouse.Servers.GameServer/Startup/GameServerStartup.cs
+++ b/ProjectLighthouse.Servers.GameServer/Startup/GameServerStartup.cs
@@ -73,7 +73,7 @@ public class GameServerStartup
             async (context, next) =>
             {
                 // Client digest check.
-                if (!context.Request.Cookies.TryGetValue("MM_AUTH", out string authCookie)) authCookie = string.Empty;
+                if (!context.Request.Cookies.TryGetValue("MM_AUTH", out string? authCookie) || authCookie == null) authCookie = string.Empty;
                 string digestPath = context.Request.Path;
                 Stream body = context.Request.Body;
 
diff --git a/ProjectLighthouse.Servers.Website/Pages/Partials/CommentsPartial.cshtml b/ProjectLighthouse.Servers.Website/Pages/Partials/CommentsPartial.cshtml
index dfa9bc3c..70e1cfe3 100644
--- a/ProjectLighthouse.Servers.Website/Pages/Partials/CommentsPartial.cshtml
+++ b/ProjectLighthouse.Servers.Website/Pages/Partials/CommentsPartial.cshtml
@@ -41,7 +41,8 @@
         HttpUtility.HtmlDecode(comment.getComment(), messageWriter);
 
         string decodedMessage = messageWriter.ToString();
-        string url = Url.RouteUrl(ViewContext.RouteData.Values);
+        string? url = Url.RouteUrl(ViewContext.RouteData.Values);
+        if (url == null) continue;
 
         int rating = comment.ThumbsUp - comment.ThumbsDown;
 
diff --git a/ProjectLighthouse.Servers.Website/Pages/Partials/SlotCardPartial.cshtml b/ProjectLighthouse.Servers.Website/Pages/Partials/SlotCardPartial.cshtml
index 7098ef52..6d850c1a 100644
--- a/ProjectLighthouse.Servers.Website/Pages/Partials/SlotCardPartial.cshtml
+++ b/ProjectLighthouse.Servers.Website/Pages/Partials/SlotCardPartial.cshtml
@@ -5,24 +5,17 @@
 @model LBPUnion.ProjectLighthouse.Types.Levels.Slot
 
 @{
-    User user = (User)ViewData["User"];
+    User user = (User)ViewData["User"]!;
 
     await using Database database = new();
 
     string slotName = string.IsNullOrEmpty(Model.Name) ? "Unnamed Level" : Model.Name;
     bool isMobile = (bool?)ViewData["IsMobile"] ?? false;
 
-    bool isQueued = false;
-    bool isHearted = false;
+    bool isQueued = await database.QueuedLevels.FirstOrDefaultAsync(h => h.SlotId == Model.SlotId && h.UserId == user.UserId) != null;
+    bool isHearted = await database.HeartedLevels.FirstOrDefaultAsync(h => h.SlotId == Model.SlotId && h.UserId == user.UserId) != null;
 
-    if (user != null)
-    {
-        isQueued = await database.QueuedLevels.FirstOrDefaultAsync(h => h.SlotId == Model.SlotId && h.UserId == user.UserId) != null;
-
-        isHearted = await database.HeartedLevels.FirstOrDefaultAsync(h => h.SlotId == Model.SlotId && h.UserId == user.UserId) != null;
-    }
-
-    string callbackUrl = (string)ViewData["CallbackUrl"];
+    string callbackUrl = (string)ViewData["CallbackUrl"]!;
     bool showLink = (bool?)ViewData["ShowLink"] ?? false;
 
     string iconHash = Model.IconHash;
diff --git a/ProjectLighthouse.Servers.Website/Pages/PhotosPage.cshtml b/ProjectLighthouse.Servers.Website/Pages/PhotosPage.cshtml
index d017c117..95542724 100644
--- a/ProjectLighthouse.Servers.Website/Pages/PhotosPage.cshtml
+++ b/ProjectLighthouse.Servers.Website/Pages/PhotosPage.cshtml
@@ -26,10 +26,10 @@
 
 @if (Model.PageNumber != 0)
 {
-    <a href="/photos/@(Model.PageNumber - 1)@(Model.SearchValue.Length == 0 ? "" : "?name=" + Model.SearchValue)">Previous Page</a>
+    <a href="/photos/@(Model.PageNumber - 1)@(Model.SearchValue?.Length == 0 ? "" : "?name=" + Model.SearchValue)">Previous Page</a>
 }
 @(Model.PageNumber + 1) / @(Model.PageAmount)
 @if (Model.PageNumber < Model.PageAmount - 1)
 {
-    <a href="/photos/@(Model.PageNumber + 1)@(Model.SearchValue.Length == 0 ? "" : "?name=" + Model.SearchValue)">Next Page</a>
+    <a href="/photos/@(Model.PageNumber + 1)@(Model.SearchValue?.Length == 0 ? "" : "?name=" + Model.SearchValue)">Next Page</a>
 }
\ No newline at end of file
diff --git a/ProjectLighthouse.Servers.Website/Pages/RegisterForm.cshtml.cs b/ProjectLighthouse.Servers.Website/Pages/RegisterForm.cshtml.cs
index dd40e66d..9f850884 100644
--- a/ProjectLighthouse.Servers.Website/Pages/RegisterForm.cshtml.cs
+++ b/ProjectLighthouse.Servers.Website/Pages/RegisterForm.cshtml.cs
@@ -15,7 +15,7 @@ public class RegisterForm : BaseLayout
     public RegisterForm(Database database) : base(database)
     {}
 
-    public string Error { get; private set; }
+    public string? Error { get; private set; }
 
     [UsedImplicitly]
     [SuppressMessage("ReSharper", "SpecifyStringComparison")]
@@ -54,7 +54,7 @@ public class RegisterForm : BaseLayout
         }
 
         if (ServerConfiguration.Instance.Mail.MailEnabled &&
-            await this.Database.Users.FirstOrDefaultAsync(u => u.EmailAddress.ToLower() == emailAddress.ToLower()) != null)
+            await this.Database.Users.FirstOrDefaultAsync(u => u.EmailAddress != null && u.EmailAddress.ToLower() == emailAddress.ToLower()) != null)
         {
             this.Error = "The email address you've chosen is already taken.";
             return this.Page();
diff --git a/ProjectLighthouse.Servers.Website/Pages/SlotPage.cshtml b/ProjectLighthouse.Servers.Website/Pages/SlotPage.cshtml
index cf2de100..b3c70042 100644
--- a/ProjectLighthouse.Servers.Website/Pages/SlotPage.cshtml
+++ b/ProjectLighthouse.Servers.Website/Pages/SlotPage.cshtml
@@ -10,8 +10,8 @@
     Layout = "Layouts/BaseLayout";
     Model.ShowTitleInPage = false;
 
-    Model.Title = Model.Slot.Name;
-    Model.Description = Model.Slot.Description;
+    Model.Title = Model.Slot?.Name ?? "";
+    Model.Description = Model.Slot?.Description ?? "";
 
     bool isMobile = this.Request.IsMobile();
 }
@@ -22,7 +22,7 @@
         "User", Model.User
     },
     {
-        "CallbackUrl", $"~/slot/{Model.Slot.SlotId}"
+        "CallbackUrl", $"~/slot/{Model.Slot?.SlotId}"
     },
     {
         "ShowLink", false
@@ -37,14 +37,15 @@
     <div class="eight wide column">
         <div class="ui blue segment">
             <h2>Description</h2>
-            <p>@HttpUtility.HtmlDecode(string.IsNullOrEmpty(Model.Slot.Description) ? "This level has no description." : Model.Slot.Description)</p>
+            <p>@HttpUtility.HtmlDecode(string.IsNullOrEmpty(Model.Slot?.Description) ? "This level has no description." : Model.Slot.Description)</p>
         </div>
     </div>
     <div class="eight wide column">
         <div class="ui red segment">
             <h2>Tags</h2>
             @{
-                string[] authorLabels = Model.Slot.AuthorLabels.Split(",");
+                string[] authorLabels = Model.Slot?.AuthorLabels.Split(",") ?? new string[]
+                {};
                 if (authorLabels.Length == 1) // ..?? ok c#
                 {
                     <p>This level has no tags.</p>
@@ -86,13 +87,13 @@
             @for(int i = 0; i < Model.Reviews.Count; i++)
             {
                 Review review = Model.Reviews[i];
-                string faceHash = review.Thumb switch {
+                string faceHash = (review.Thumb switch {
                     -1 => review.Reviewer?.BooHash,
                     0 => review.Reviewer?.MehHash,
                     1 => review.Reviewer?.YayHash,
                     
                     _ => throw new ArgumentOutOfRangeException(),
-                    };
+                    }) ?? "";
 
                 if (string.IsNullOrWhiteSpace(faceHash))
                 {
@@ -168,7 +169,7 @@
     <div class="ui yellow segment">
         <h2>Admin Options</h2>
 
-        @if (Model.Slot.TeamPick)
+        @if (Model.Slot?.TeamPick ?? false)
         {
             <a href="/admin/slot/@Model.Slot.SlotId/removeTeamPick">
                 <div class="ui pink button">
@@ -179,7 +180,7 @@
         }
         else
         {
-            <a href="/admin/slot/@Model.Slot.SlotId/teamPick">
+            <a href="/admin/slot/@Model.Slot?.SlotId/teamPick">
                 <div class="ui pink button">
                     <i class="ribbon icon"></i>
                     <span>Team Pick</span>
@@ -187,7 +188,7 @@
             </a>
         }
 
-        <a href="/admin/slot/@Model.Slot.SlotId/delete">
+        <a href="/admin/slot/@Model.Slot?.SlotId/delete">
             <div class="ui red button">
                 <i class="trash icon"></i>
                 <span>Delete</span>
diff --git a/ProjectLighthouse.Servers.Website/Pages/SlotsPage.cshtml b/ProjectLighthouse.Servers.Website/Pages/SlotsPage.cshtml
index 6d0fb7c7..faa9d7e3 100644
--- a/ProjectLighthouse.Servers.Website/Pages/SlotsPage.cshtml
+++ b/ProjectLighthouse.Servers.Website/Pages/SlotsPage.cshtml
@@ -42,10 +42,10 @@
 
 @if (Model.PageNumber != 0)
 {
-    <a href="/slots/@(Model.PageNumber - 1)@(Model.SearchValue.Length == 0 ? "" : "?name=" + Model.SearchValue)">Previous Page</a>
+    <a href="/slots/@(Model.PageNumber - 1)@(Model.SearchValue?.Length == 0 ? "" : "?name=" + Model.SearchValue)">Previous Page</a>
 }
 @(Model.PageNumber + 1) / @(Model.PageAmount)
 @if (Model.PageNumber < Model.PageAmount - 1)
 {
-    <a href="/slots/@(Model.PageNumber + 1)@(Model.SearchValue.Length == 0 ? "" : "?name=" + Model.SearchValue)">Next Page</a>
+    <a href="/slots/@(Model.PageNumber + 1)@(Model.SearchValue?.Length == 0 ? "" : "?name=" + Model.SearchValue)">Next Page</a>
 }
\ No newline at end of file
diff --git a/ProjectLighthouse.Servers.Website/Pages/UsersPage.cshtml b/ProjectLighthouse.Servers.Website/Pages/UsersPage.cshtml
index ca06d426..ef125fcc 100644
--- a/ProjectLighthouse.Servers.Website/Pages/UsersPage.cshtml
+++ b/ProjectLighthouse.Servers.Website/Pages/UsersPage.cshtml
@@ -36,10 +36,10 @@
 
 @if (Model.PageNumber != 0)
 {
-    <a href="/users/@(Model.PageNumber - 1)@(Model.SearchValue.Length == 0 ? "" : "?name=" + Model.SearchValue)">Previous Page</a>
+    <a href="/users/@(Model.PageNumber - 1)@(Model.SearchValue?.Length == 0 ? "" : "?name=" + Model.SearchValue)">Previous Page</a>
 }
 @(Model.PageNumber + 1) / @(Model.PageAmount)
 @if (Model.PageNumber < Model.PageAmount - 1)
 {
-    <a href="/users/@(Model.PageNumber + 1)@(Model.SearchValue.Length == 0 ? "" : "?name=" + Model.SearchValue)">Next Page</a>
+    <a href="/users/@(Model.PageNumber + 1)@(Model.SearchValue?.Length == 0 ? "" : "?name=" + Model.SearchValue)">Next Page</a>
 }
\ No newline at end of file
diff --git a/ProjectLighthouse/Startup/DebugWarmupLifetime.cs b/ProjectLighthouse/Startup/DebugWarmupLifetime.cs
index b3a9ffba..80f95228 100644
--- a/ProjectLighthouse/Startup/DebugWarmupLifetime.cs
+++ b/ProjectLighthouse/Startup/DebugWarmupLifetime.cs
@@ -44,6 +44,7 @@ public class DebugWarmupLifetime : IHostLifetime
             ServerType.GameApi => ServerConfiguration.Instance.GameApiListenUrl,
             ServerType.Website => ServerConfiguration.Instance.WebsiteListenUrl,
             ServerType.Api => ServerConfiguration.Instance.ApiListenUrl,
+            _ => throw new ArgumentOutOfRangeException(),
         };
 
         url = url.Replace("0.0.0.0", "127.0.0.1");