Feat: seo improvements v3 + feed detail performance (#920)

* seo + feed detail optimization

Author: Alessandro100

web-app/public/index.html

@@ -31,7 +31,6 @@
     <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta name="theme-color" content="#000000" />
-    <meta name="description" content="Access GTFS and GTFS Realtime transit data with over 3,000 feeds from 70+ countries on the web's leading transit data platform." />
     <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
     <!--
       manifest.json provides metadata used when your web app is installed on a