diff --git a/app/main/routes.py b/app/main/routes.py
index 7f29e0d..911e7c3 100644
--- a/app/main/routes.py
+++ b/app/main/routes.py
@@ -1,5 +1,4 @@
-import json
-from typing import Optional, Tuple, Union
+from typing import Tuple, Union
 
 from flask import Response, flash, make_response, redirect, render_template, request
 from flask_wtf.csrf import CSRFError  # type: ignore
@@ -25,39 +24,37 @@ def accessibility() -> str:
 def cookies() -> Union[str, Response]:
     """Handle GET and POST requests for managing cookie preferences."""
     form: CookiesForm = CookiesForm()
-    # Initialize cookie policy. Defaults to rejecting all cookies.
-    cookies_policy: dict[str, str] = {"functional": "no", "analytics": "no"}
+    # Initialize cookie settings. Defaults to rejecting all cookies.
+    functional: str = "no"
+    analytics: str = "no"
 
     if form.validate_on_submit():
-        # Update cookie policy based on form submission.
-        cookies_policy["functional"] = form.functional.data
-        cookies_policy["analytics"] = form.analytics.data
+        # Update cookie settings based on form submission
+        functional = form.functional.data
+        analytics = form.analytics.data
         # Create flash message confirmation before rendering template
         flash("You've set your cookie preferences.", "success")
-        # Create the response so we can set the cookie before returning
+        # Create the response so we can set cookies before returning
         response: Response = make_response(render_template("cookies.html", form=form))
-        # Set the cookies_policy cookie in the response
-        response.set_cookie(
-            "cookies_policy",
-            json.dumps(cookies_policy),
-            max_age=31557600,  # One year
-            secure=True,
-            samesite="Lax",
-        )
+
+        # Set individual cookies in the response
+        cookie_params = {
+            "max_age": 31557600,
+            "secure": True,
+            "samesite": "Lax",
+        }  # One year
+        response.set_cookie("functional", functional, **cookie_params)
+        response.set_cookie("analytics", analytics, **cookie_params)
+
         return response
     elif request.method == "GET":
-        # Retrieve existing cookie policy if present.
-        cookies_string: Optional[str] = request.cookies.get("cookies_policy")
-        if cookies_string:
-            try:
-                # Set cookie consent radios to current consent
-                cookies_policy = json.loads(cookies_string)
-                form.functional.data = cookies_policy["functional"]
-                form.analytics.data = cookies_policy["analytics"]
-            except json.JSONDecodeError:
-                # If conset not previously set, use default "no" policy
-                form.functional.data = cookies_policy["functional"]
-                form.analytics.data = cookies_policy["analytics"]
+        # Retrieve existing cookie settings if present
+        functional = request.cookies.get("functional", "no")
+        analytics = request.cookies.get("analytics", "no")
+
+        # Pre-populate form with existing settings
+        form.functional.data = functional
+        form.analytics.data = analytics
 
     return render_template("cookies.html", form=form)
 
diff --git a/tests/test_main_routes.py b/tests/test_main_routes.py
new file mode 100644
index 0000000..62e478c
--- /dev/null
+++ b/tests/test_main_routes.py
@@ -0,0 +1,92 @@
+import pytest
+from flask import Flask
+from flask.testing import FlaskClient
+
+from app import create_app
+from config import TestConfig
+
+
+@pytest.fixture
+def app() -> FlaskClient:
+    """
+    Create and configure a new app instance for each test.
+
+    Returns:
+        Flask: The Flask application instance.
+    """
+    app: Flask = create_app(TestConfig)
+    app.config["WTF_CSRF_ENABLED"] = False  # Disable CSRF for testing
+    with app.test_client() as client:
+        yield client
+
+
+def test_index(app: FlaskClient) -> None:
+    """
+    Test the index route.
+
+    Args:
+        client (FlaskClient): The test client for the Flask application.
+    """
+    response = app.get("/")
+    assert response.status_code == 200
+    assert b"<title>" in response.data
+
+
+def test_accessibility(app: FlaskClient) -> None:
+    """
+    Test the accessibility route.
+
+    Args:
+        client (FlaskClient): The test client for the Flask application.
+    """
+    response = app.get("/accessibility")
+    assert response.status_code == 200
+    assert b"<title>" in response.data
+
+
+def test_privacy(app: FlaskClient) -> None:
+    """
+    Test the privacy route.
+
+    Args:
+        client (FlaskClient): The test client for the Flask application.
+    """
+    response = app.get("/privacy")
+    assert response.status_code == 200
+    assert b"<title>" in response.data
+
+
+def test_cookies_get(app: FlaskClient) -> None:
+    """Test the cookies route with a GET request."""
+    response = app.get("/cookies")
+    assert response.status_code == 200
+
+    # Check default cookie values
+    assert response.request.cookies.get("functional", "no") == "no"
+    assert response.request.cookies.get("analytics", "no") == "no"
+
+
+def test_cookies_post(app: FlaskClient) -> None:
+    """Test the cookies route with a POST request."""
+    data = {"functional": "yes", "analytics": "yes"}
+
+    response = app.post("/cookies", data=data, follow_redirects=True)
+    assert response.status_code == 200
+
+    # Verify flash message
+    assert b"You've set your cookie preferences." in response.data
+
+    # Check individual cookies were set
+    cookies = response.headers.getlist("Set-Cookie")
+    functional_cookie = [c for c in cookies if c.startswith("functional=")][0]
+    analytics_cookie = [c for c in cookies if c.startswith("analytics=")][0]
+
+    # Verify cookie values
+    assert "functional=yes" in functional_cookie
+    assert "analytics=yes" in analytics_cookie
+
+    # Verify cookie attributes
+    for cookie in [functional_cookie, analytics_cookie]:
+        assert "Max-Age=31557600" in cookie
+        assert "Secure" in cookie
+        assert "SameSite=Lax" in cookie