diff --git a/rsconcept/backend/project/settings.py b/rsconcept/backend/project/settings.py
index 80b7512b..40231ad1 100644
--- a/rsconcept/backend/project/settings.py
+++ b/rsconcept/backend/project/settings.py
@@ -112,6 +112,7 @@ if _domain != '':
 
 
 MIDDLEWARE = [
+    'django.middleware.gzip.GZipMiddleware',
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'corsheaders.middleware.CorsMiddleware',
diff --git a/rsconcept/frontend/src/app/navigation/navigation-button.tsx b/rsconcept/frontend/src/app/navigation/navigation-button.tsx
index 9acd6a46..3298e130 100644
--- a/rsconcept/frontend/src/app/navigation/navigation-button.tsx
+++ b/rsconcept/frontend/src/app/navigation/navigation-button.tsx
@@ -15,7 +15,7 @@ export function NavigationButton({ icon, title, hideTitle, className, style, onC
   return (
     <button
       type='button'
-      tabIndex={1}
+      tabIndex={0}
       aria-label={title}
       data-tooltip-id={!!title ? globalIDs.tooltip : undefined}
       data-tooltip-hidden={hideTitle}
diff --git a/rsconcept/frontend/src/components/view/value-icon.tsx b/rsconcept/frontend/src/components/view/value-icon.tsx
index 021dddc4..14b9c5e1 100644
--- a/rsconcept/frontend/src/components/view/value-icon.tsx
+++ b/rsconcept/frontend/src/components/view/value-icon.tsx
@@ -41,7 +41,6 @@ export function ValueIcon({
   onClick,
   ...restProps
 }: ValueIconProps) {
-  // TODO: do not add button if onClick is disabled
   return (
     <div
       className={clsx(
diff --git a/rsconcept/frontend/tests/auth.spec.ts b/rsconcept/frontend/tests/auth.spec.ts
index 9f360f32..6999b4d6 100644
--- a/rsconcept/frontend/tests/auth.spec.ts
+++ b/rsconcept/frontend/tests/auth.spec.ts
@@ -31,7 +31,7 @@ test('logout procedure and consequence', async ({ page }) => {
   await page.goto('/');
 
   await page.getByRole('button', { name: 'Пользователь' }).click();
-  await page.getByRole('button', { name: 'Выйти' }).click();
+  await page.getByRole('button', { name: 'Выход из приложения' }).click();
 
   await page.getByRole('button', { name: 'Перейти на страницу логина' }).click();
   await expect(page.getByRole('button', { name: 'Войти' })).toBeVisible();