smaller thumbnail 300 is enough

Author: yvess

vue/screenshot-service/screenshot-server.js

@@ -63,8 +63,8 @@ app.get('*', async (req, res) => {
   if (req.query.hasOwnProperty('thumbnail')) {
     screenshotUrl += '&thumbnail';
     pageOptions = {
-      width: 600,
-      height: 600,
+      width: 300,
+      height: 300,
       deviceScaleFactor: 1
     };
   }