diff --git a/app/Livewire/Sites/Index.php b/app/Livewire/Sites/Index.php
new file mode 100644
index 0000000..9b9906f
--- /dev/null
+++ b/app/Livewire/Sites/Index.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Livewire\Sites;
+
+use App\Models\Site;
+use Livewire\Attributes\Layout;
+use Livewire\Component;
+
+#[Layout('components.layouts.app')]
+class Index extends Component
+{
+    public bool $showForm = false;
+
+    public ?int $editingId = null;
+
+    public string $name = '';
+
+    public string $url = '';
+
+    public ?string $description = null;
+
+    public function render()
+    {
+        return view('livewire.sites.index', [
+            'sites' => Site::orderBy('name')->get(),
+        ]);
+    }
+
+    public function create(): void
+    {
+        $this->resetForm();
+        $this->showForm = true;
+    }
+
+    public function edit(int $id): void
+    {
+        $site = Site::findOrFail($id);
+        $this->editingId = $site->id;
+        $this->name = $site->name;
+        $this->url = $site->url;
+        $this->description = $site->description;
+        $this->showForm = true;
+    }
+
+    public function save(): void
+    {
+        $validated = $this->validate([
+            'name' => ['required', 'string', 'max:255'],
+            'url' => ['required', 'string', 'max:255'],
+            'description' => ['nullable', 'string'],
+        ]);
+
+        Site::updateOrCreate(['id' => $this->editingId], $validated);
+
+        $this->resetForm();
+        $this->showForm = false;
+    }
+
+    public function delete(int $id): void
+    {
+        Site::findOrFail($id)->delete();
+    }
+
+    public function resetForm(): void
+    {
+        $this->editingId = null;
+        $this->name = '';
+        $this->url = '';
+        $this->description = null;
+        $this->resetValidation();
+    }
+}
diff --git a/resources/views/livewire/sites/index.blade.php b/resources/views/livewire/sites/index.blade.php
new file mode 100644
index 0000000..b0223dd
--- /dev/null
+++ b/resources/views/livewire/sites/index.blade.php
@@ -0,0 +1,60 @@
+<div>
+    <div class="flex justify-between items-center mb-4">
+        <h1 class="text-xl font-semibold">Sites</h1>
+        <button wire:click="create" class="bg-blue-600 text-white px-4 py-2 rounded">Add Site</button>
+    </div>
+
+    <table class="w-full bg-white border border-gray-200 rounded">
+        <thead>
+            <tr class="text-left border-b border-gray-200">
+                <th class="p-3">Name</th>
+                <th class="p-3">URL</th>
+                <th class="p-3">Description</th>
+                <th class="p-3"></th>
+            </tr>
+        </thead>
+        <tbody>
+            @foreach ($sites as $site)
+                <tr wire:key="site-{{ $site->id }}" class="border-b border-gray-100">
+                    <td class="p-3">{{ $site->name }}</td>
+                    <td class="p-3"><a href="{{ $site->url }}" target="_blank" class="text-blue-600">{{ $site->url }}</a></td>
+                    <td class="p-3">{{ $site->description }}</td>
+                    <td class="p-3 text-right space-x-2">
+                        <button wire:click="edit({{ $site->id }})" class="text-blue-600">Edit</button>
+                        <button wire:click="delete({{ $site->id }})" wire:confirm="Delete this site?" class="text-red-600">Delete</button>
+                    </td>
+                </tr>
+            @endforeach
+        </tbody>
+    </table>
+
+    @if ($showForm)
+        <div class="fixed inset-0 bg-black/30 flex items-center justify-center">
+            <div class="bg-white p-6 rounded w-full max-w-md space-y-4">
+                <h2 class="text-lg font-semibold">{{ $editingId ? 'Edit Site' : 'Add Site' }}</h2>
+
+                <div>
+                    <label class="block text-sm font-medium">Name</label>
+                    <input type="text" wire:model="name" class="w-full border rounded p-2">
+                    @error('name') <span class="text-red-600 text-sm">{{ $message }}</span> @enderror
+                </div>
+
+                <div>
+                    <label class="block text-sm font-medium">URL</label>
+                    <input type="text" wire:model="url" class="w-full border rounded p-2">
+                    @error('url') <span class="text-red-600 text-sm">{{ $message }}</span> @enderror
+                </div>
+
+                <div>
+                    <label class="block text-sm font-medium">Description</label>
+                    <textarea wire:model="description" class="w-full border rounded p-2"></textarea>
+                </div>
+
+                <div class="flex justify-end gap-2">
+                    <button wire:click="$set('showForm', false)" class="px-4 py-2">Cancel</button>
+                    <button wire:click="save" class="bg-blue-600 text-white px-4 py-2 rounded">Save</button>
+                </div>
+            </div>
+        </div>
+    @endif
+</div>
diff --git a/routes/web.php b/routes/web.php
index 86a06c5..4520504 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1,7 +1,13 @@
 <?php
 
+use App\Livewire\Sites\Index as SitesIndex;
 use Illuminate\Support\Facades\Route;
 
 Route::get('/', function () {
     return view('welcome');
 });
+
+Route::get('/sites', SitesIndex::class)->name('sites.index');
+
+// placeholder, replaced in Task 6
+Route::get('/social-accounts', SitesIndex::class)->name('social-accounts.index');
diff --git a/tests/Feature/Livewire/SitesTest.php b/tests/Feature/Livewire/SitesTest.php
new file mode 100644
index 0000000..8055b5b
--- /dev/null
+++ b/tests/Feature/Livewire/SitesTest.php
@@ -0,0 +1,50 @@
+<?php
+
+use App\Livewire\Sites\Index;
+use App\Models\Site;
+use Livewire\Livewire;
+
+test('sites index page lists existing sites', function () {
+    $site = Site::factory()->create(['name' => 'Example Site']);
+
+    $this->get(route('sites.index'))
+        ->assertOk()
+        ->assertSee('Example Site');
+});
+
+test('a new site can be created', function () {
+    Livewire::test(Index::class)
+        ->set('name', 'New Site')
+        ->set('url', 'https://newsite.test')
+        ->set('description', 'Some description')
+        ->call('save');
+
+    expect(Site::where('name', 'New Site')->exists())->toBeTrue();
+});
+
+test('name and url are required to create a site', function () {
+    Livewire::test(Index::class)
+        ->set('name', '')
+        ->set('url', '')
+        ->call('save')
+        ->assertHasErrors(['name', 'url']);
+});
+
+test('an existing site can be edited', function () {
+    $site = Site::factory()->create(['name' => 'Old Name']);
+
+    Livewire::test(Index::class)
+        ->call('edit', $site->id)
+        ->set('name', 'Updated Name')
+        ->call('save');
+
+    expect($site->fresh()->name)->toBe('Updated Name');
+});
+
+test('a site can be deleted', function () {
+    $site = Site::factory()->create();
+
+    Livewire::test(Index::class)->call('delete', $site->id);
+
+    expect(Site::find($site->id))->toBeNull();
+});