diff --git a/src/components/flow/TestGrid/index.tsx b/src/components/flow/TestGrid/index.tsx
index 3f0f7000..d3a54fe4 100644
--- a/src/components/flow/TestGrid/index.tsx
+++ b/src/components/flow/TestGrid/index.tsx
@@ -30,6 +30,7 @@ export const TestGrid = () => (
           width={Math.floor(Math.random() * 3)}
           height={Math.floor(Math.random() * 3)}
           title={`Cell ${el}`}
+          key={el}
         />
       ))
     }
diff --git a/src/components/node/Comment/index.tsx b/src/components/node/Comment/index.tsx
index 3a36a3d9..c5d695d5 100644
--- a/src/components/node/Comment/index.tsx
+++ b/src/components/node/Comment/index.tsx
@@ -2,7 +2,6 @@ import React, {FC, HTMLAttributes} from 'react';
 import { Card } from "~/components/containers/Card";
 import * as styles from './styles.scss';
 import classNames = require("classnames");
-import {ParagraphPlaceholder} from "~/components/placeholders/ParagraphPlaceholder";
 
 type IProps = HTMLAttributes<HTMLDivElement> & {
   is_empty?: boolean;
@@ -24,11 +23,7 @@ const Comment: FC<IProps> = ({
         <div className={styles.thumb_image} />
       </div>
 
-      <div className={styles.text}>
-        {
-          is_empty && <ParagraphPlaceholder />
-        }
-      </div>
+      <div className={styles.text} />
     </Card>
 );
 
diff --git a/src/constants/urls.ts b/src/constants/urls.ts
new file mode 100644
index 00000000..0dcf5ce5
--- /dev/null
+++ b/src/constants/urls.ts
@@ -0,0 +1,10 @@
+export const URLS = {
+  BASE: '/',
+  AUTH: {
+    LOGIN: '/auth/login',
+  },
+  EXAMPLES: {
+    EDITOR: '/examples/edit',
+    IMAGE: '/examples/image',
+  },
+};
diff --git a/src/containers/App.tsx b/src/containers/App.tsx
index 2ef0b32c..8b6c9e62 100644
--- a/src/containers/App.tsx
+++ b/src/containers/App.tsx
@@ -12,7 +12,7 @@ import { ImageExample } from "~/containers/examples/ImageExample";
 import { EditorExample } from "~/containers/examples/EditorExample";
 import { HorizontalExample } from "~/containers/examples/HorizontalExample";
 import { Sprites } from "~/sprites/Sprites";
-import {GodRays} from "~/components/main/GodRays";
+import { URLS } from "~/constants/urls";
 
 interface IAppProps {}
 interface IAppState {}
@@ -22,17 +22,14 @@ class Component extends React.Component<IAppProps, IAppState> {
     return (
       <ConnectedRouter history={history}>
         <MainLayout>
-          <GodRays />
-
           <Sprites />
 
           <Switch>
-            <Route path="/examples/image" component={ImageExample} />
-            <Route path="/examples/edit" component={EditorExample} />
-            <Route path="/examples/horizontal" component={HorizontalExample} />
-            <Route path="/" component={FlowLayout} />
+            <Route path={URLS.EXAMPLES.IMAGE} component={ImageExample} />
+            <Route path={URLS.EXAMPLES.EDITOR} component={EditorExample} />
+            <Route exact path={URLS.BASE} component={FlowLayout} />
 
-            <Route path="/login" component={LoginLayout} />
+            <Route path={URLS.AUTH.LOGIN} component={LoginLayout} />
 
             <Redirect to="/" />
           </Switch>