diff --git a/src/frontend/src/App.tsx b/src/frontend/src/App.tsx
index 5edddfece2..c9b7e19def 100644
--- a/src/frontend/src/App.tsx
+++ b/src/frontend/src/App.tsx
@@ -15,14 +15,8 @@ export function setApiDefaults() {
   const token = useSessionState.getState().token;
 
   api.defaults.baseURL = host;
-
-  if (token) {
-    api.defaults.headers.common['Authorization'] = `Token ${token}`;
-  } else {
-    api.defaults.headers.common['Authorization'] = null;
-  }
+  api.defaults.headers.common['Authorization'] = `Token ${token}`;
 }
-
 export const queryClient = new QueryClient();
 
 function checkMobile() {
diff --git a/src/frontend/src/components/nav/PanelGroup.tsx b/src/frontend/src/components/nav/PanelGroup.tsx
index 8ac898da8d..a56d9bb5ef 100644
--- a/src/frontend/src/components/nav/PanelGroup.tsx
+++ b/src/frontend/src/components/nav/PanelGroup.tsx
@@ -10,8 +10,15 @@ import {
   IconLayoutSidebarLeftCollapse,
   IconLayoutSidebarRightCollapse
 } from '@tabler/icons-react';
-import { ReactNode, useCallback, useMemo } from 'react';
+import { ReactNode, useMemo } from 'react';
 import { useEffect, useState } from 'react';
+import {
+  Navigate,
+  Route,
+  Routes,
+  useNavigate,
+  useParams
+} from 'react-router-dom';
 
 import { useLocalState } from '../../states/LocalState';
 import { PlaceholderPanel } from '../items/Placeholder';
@@ -37,57 +44,61 @@ export type PanelProps = {
   collapsible?: boolean;
 };
 
-export function PanelGroup({
+function BasePanelGroup({
   pageKey,
   panels,
   onPanelChange,
   selectedPanel,
   collapsible = true
 }: PanelProps): ReactNode {
-  const localState = useLocalState();
+  const navigate = useNavigate();
+  const { panel } = useParams();
 
-  const [panel, setPanel] = useState<string>(selectedPanel ?? '');
-
-  // Keep a list of active panels (hidden and disabled panels are not active)
   const activePanels = useMemo(
     () => panels.filter((panel) => !panel.hidden && !panel.disabled),
     [panels]
   );
 
-  // Set selected panel when component is initially loaded, or when the selected panel changes
+  const setLastUsedPanel = useLocalState((state) =>
+    state.setLastUsedPanel(pageKey)
+  );
+
   useEffect(() => {
-    let first_panel: string = activePanels[0]?.name ?? '';
-    let active_panel: string =
-      useLocalState.getState().getLastUsedPanel(pageKey)() ?? '';
-
-    let panelName = selectedPanel || active_panel || first_panel;
-
-    if (panelName != panel) {
-      setPanel(panelName);
+    if (panel) {
+      setLastUsedPanel(panel);
     }
-
-    if (panelName != active_panel) {
-      useLocalState.getState().setLastUsedPanel(pageKey)(panelName);
-    }
-  }, [activePanels, panels, selectedPanel]);
+    // panel is intentionally no dependency as this should only run on initial render
+  }, [setLastUsedPanel]);
 
   // Callback when the active panel changes
-  const handlePanelChange = useCallback(
-    (panelName: string) => {
-      // Ensure that the panel name is valid
-      if (!activePanels.some((panel) => panel.name == panelName)) {
-        return;
-      }
+  function handlePanelChange(panel: string) {
+    if (activePanels.findIndex((p) => p.name === panel) === -1) {
+      setLastUsedPanel('');
+      return navigate('../');
+    }
 
-      setPanel(panelName);
-      localState.setLastUsedPanel(pageKey)(panelName);
+    navigate(`../${panel}`);
 
-      if (onPanelChange) {
-        onPanelChange(panelName);
-      }
-    },
-    [onPanelChange, pageKey]
-  );
+    // Optionally call external callback hook
+    if (onPanelChange) {
+      onPanelChange(panel);
+    }
+  }
+
+  // if the selected panel state changes update the current panel
+  useEffect(() => {
+    if (selectedPanel && selectedPanel !== panel) {
+      handlePanelChange(selectedPanel);
+    }
+  }, [selectedPanel, panel]);
+
+  // Update the active panel when panels changes and the active is no longer available
+  useEffect(() => {
+    if (activePanels.findIndex((p) => p.name === panel) === -1) {
+      setLastUsedPanel('');
+      return navigate('../');
+    }
+  }, [activePanels, panel]);
 
   const [expanded, setExpanded] = useState<boolean>(true);
 
@@ -158,3 +169,38 @@ export function PanelGroup({
     </Paper>
   );
 }
+
+function IndexPanelComponent({ pageKey, selectedPanel, panels }: PanelProps) {
+  const lastUsedPanel = useLocalState((state) => {
+    const panelName =
+      selectedPanel || state.lastUsedPanels[pageKey] || panels[0]?.name;
+
+    if (
+      panels.findIndex(
+        (p) => p.name === panelName && !p.disabled && !p.hidden
+      ) === -1
+    ) {
+      return panels[0]?.name;
+    }
+
+    return panelName;
+  });
+
+  return <Navigate to={lastUsedPanel} replace />;
+}
+
+/**
+ * Render a panel group. The current panel will be appended to the current url.
+ * The last opened panel will be stored in local storage and opened if no panel is provided via url param
+ * @param panels - The list of panels to display
+ * @param onPanelChange - Callback when the active panel changes
+ * @param collapsible - If true, the panel group can be collapsed (defaults to true)
+ */
+export function PanelGroup(props: PanelProps) {
+  return (
+    <Routes>
+      <Route index element={<IndexPanelComponent {...props} />} />
+      <Route path="/:panel/*" element={<BasePanelGroup {...props} />} />
+    </Routes>
+  );
+}
diff --git a/src/frontend/src/functions/auth.tsx b/src/frontend/src/functions/auth.tsx
index 561d883e00..58e9d8e063 100644
--- a/src/frontend/src/functions/auth.tsx
+++ b/src/frontend/src/functions/auth.tsx
@@ -27,9 +27,7 @@ export const doClassicLogin = async (username: string, password: string) => {
         name: 'inventree-web-app'
       }
     })
-    .then((response) => {
-      return response.status == 200 ? response.data?.token : undefined;
-    })
+    .then((response) => response.data.token)
     .catch((error) => {
       showNotification({
         title: t`Login failed`,
@@ -39,7 +37,7 @@ export const doClassicLogin = async (username: string, password: string) => {
       return false;
     });
 
-  if (!token) return false;
+  if (token === false) return token;
 
   // log in with token
   doTokenLogin(token);
@@ -53,7 +51,6 @@ export const doClassicLogout = async () => {
   // TODO @matmair - logout from the server session
   // Set token in context
   const { setToken } = useSessionState.getState();
-
   setToken(undefined);
 
   notifications.show({
diff --git a/src/frontend/src/pages/part/CategoryDetail.tsx b/src/frontend/src/pages/part/CategoryDetail.tsx
index 291c230979..30f63b6ba4 100644
--- a/src/frontend/src/pages/part/CategoryDetail.tsx
+++ b/src/frontend/src/pages/part/CategoryDetail.tsx
@@ -22,11 +22,9 @@ import { useInstance } from '../../hooks/UseInstance';
  *
  * Note: If no category ID is supplied, this acts as the top-level part category page
  */
-export function CategoryPage({
-  categoryId
-}: {
-  categoryId?: string | undefined;
-}) {
+export default function CategoryDetail({}: {}) {
+  const { id } = useParams();
+
   const [treeOpen, setTreeOpen] = useState(false);
 
   const {
@@ -35,8 +33,7 @@ export function CategoryPage({
     instanceQuery
   } = useInstance({
     endpoint: ApiPaths.category_list,
-    pk: categoryId,
-    hasPrimaryKey: true,
+    pk: id,
     params: {
       path_detail: true
     }
@@ -52,7 +49,7 @@ export function CategoryPage({
           <PartListTable
             props={{
               params: {
-                category: categoryId
+                category: id
               }
             }}
           />
@@ -65,7 +62,7 @@ export function CategoryPage({
         content: (
           <PartCategoryTable
             params={{
-              parent: categoryId ?? 'null'
+              parent: id
             }}
           />
         )
@@ -77,7 +74,7 @@ export function CategoryPage({
         content: <PlaceholderPanel />
       }
     ],
-    [categoryId]
+    [category, id]
   );
 
   const breadcrumbs = useMemo(
@@ -113,13 +110,3 @@ export function CategoryPage({
     </Stack>
   );
 }
-
-/**
- * Detail page for a specific Part Category instance.
- * Uses the :id parameter in the URL to determine which category to display.admin in
- */
-export default function CategoryDetail({}: {}) {
-  const { id } = useParams();
-
-  return <CategoryPage categoryId={id} />;
-}
diff --git a/src/frontend/src/pages/part/PartIndex.tsx b/src/frontend/src/pages/part/PartIndex.tsx
deleted file mode 100644
index cd60d701fd..0000000000
--- a/src/frontend/src/pages/part/PartIndex.tsx
+++ /dev/null
@@ -1,5 +0,0 @@
-import { CategoryPage } from './CategoryDetail';
-
-export default function PartIndex({}: {}) {
-  return <CategoryPage />;
-}
diff --git a/src/frontend/src/pages/stock/LocationDetail.tsx b/src/frontend/src/pages/stock/LocationDetail.tsx
index e28544e245..af55680e8a 100644
--- a/src/frontend/src/pages/stock/LocationDetail.tsx
+++ b/src/frontend/src/pages/stock/LocationDetail.tsx
@@ -12,11 +12,9 @@ import { StockLocationTable } from '../../components/tables/stock/StockLocationT
 import { ApiPaths } from '../../enums/ApiEndpoints';
 import { useInstance } from '../../hooks/UseInstance';
 
-export function LocationPage({
-  locationId
-}: {
-  locationId?: string | undefined;
-}) {
+export default function Stock() {
+  const { id } = useParams();
+
   const [treeOpen, setTreeOpen] = useState(false);
 
   const {
@@ -25,8 +23,7 @@ export function LocationPage({
     instanceQuery
   } = useInstance({
     endpoint: ApiPaths.stock_location_list,
-    pk: locationId,
-    hasPrimaryKey: true,
+    pk: id,
     params: {
       path_detail: true
     }
@@ -41,7 +38,7 @@ export function LocationPage({
         content: (
           <StockItemTable
             params={{
-              location: locationId
+              location: id
             }}
           />
         )
@@ -53,13 +50,13 @@ export function LocationPage({
         content: (
           <StockLocationTable
             params={{
-              parent: locationId ?? 'null'
+              parent: id
             }}
           />
         )
       }
     ];
-  }, [locationId]);
+  }, [location, id]);
 
   const breadcrumbs = useMemo(
     () => [
@@ -94,13 +91,3 @@ export function LocationPage({
     </>
   );
 }
-
-/**
- * Detail page for a specific Stock Location instance
- * Uses the :id parameter in the URL to determine which location to display
- */
-export default function LocationDetail({}: {}) {
-  const { id } = useParams();
-
-  return <LocationPage locationId={id} />;
-}
diff --git a/src/frontend/src/pages/stock/StockIndex.tsx b/src/frontend/src/pages/stock/StockIndex.tsx
deleted file mode 100644
index c548d65b38..0000000000
--- a/src/frontend/src/pages/stock/StockIndex.tsx
+++ /dev/null
@@ -1,5 +0,0 @@
-import { LocationPage } from './LocationDetail';
-
-export default function StockIndex({}: {}) {
-  return <LocationPage />;
-}
diff --git a/src/frontend/src/router.tsx b/src/frontend/src/router.tsx
index fc10016f06..45713dbe38 100644
--- a/src/frontend/src/router.tsx
+++ b/src/frontend/src/router.tsx
@@ -28,12 +28,9 @@ export const ManufacturerDetail = Loadable(
   lazy(() => import('./pages/company/ManufacturerDetail'))
 );
 
-export const PartIndex = Loadable(lazy(() => import('./pages/part/PartIndex')));
-
 export const CategoryDetail = Loadable(
   lazy(() => import('./pages/part/CategoryDetail'))
 );
-
 export const PartDetail = Loadable(
   lazy(() => import('./pages/part/PartDetail'))
 );
@@ -42,10 +39,6 @@ export const LocationDetail = Loadable(
   lazy(() => import('./pages/stock/LocationDetail'))
 );
 
-export const StockIndex = Loadable(
-  lazy(() => import('./pages/stock/StockIndex'))
-);
-
 export const StockDetail = Loadable(
   lazy(() => import('./pages/stock/StockDetail'))
 );
@@ -126,13 +119,13 @@ export const routes = (
         <Route path="user/*" element={<UserSettings />} />
       </Route>
       <Route path="part/">
-        <Route index element={<PartIndex />} />
-        <Route path="category/:id/*" element={<CategoryDetail />} />
+        <Route index element={<Navigate to="category/" />} />
+        <Route path="category/:id?/*" element={<CategoryDetail />} />
         <Route path=":id/*" element={<PartDetail />} />
       </Route>
       <Route path="stock/">
-        <Route index element={<StockIndex />} />
-        <Route path="location/:id/*" element={<LocationDetail />} />
+        <Route index element={<Navigate to="location/" />} />
+        <Route path="location/:id?/*" element={<LocationDetail />} />
         <Route path="item/:id/*" element={<StockDetail />} />
       </Route>
       <Route path="build/">
diff --git a/src/frontend/src/states/LocalState.tsx b/src/frontend/src/states/LocalState.tsx
index a4640de5df..1eda3fcceb 100644
--- a/src/frontend/src/states/LocalState.tsx
+++ b/src/frontend/src/states/LocalState.tsx
@@ -24,7 +24,6 @@ interface LocalStateProps {
   loader: LoaderType;
   lastUsedPanels: Record<string, string>;
   setLastUsedPanel: (panelKey: string) => (value: string) => void;
-  getLastUsedPanel: (panelKey: string) => () => string | undefined;
 }
 
 export const useLocalState = create<LocalStateProps>()(
@@ -56,9 +55,6 @@ export const useLocalState = create<LocalStateProps>()(
             lastUsedPanels: { ...get().lastUsedPanels, [panelKey]: value }
           });
         }
-      },
-      getLastUsedPanel(panelKey) {
-        return () => get().lastUsedPanels[panelKey];
       }
     }),
     {