2- Your issue is resolved now, kindly check back to your site after clearing the browser cache. See image: https://postimg.cc/bSvFJwwf
3- The site speed is very well better you did a nice job with it please check the result in this image: https://postimg.cc/svKJvmC7 and this is the SEO report of your site https://postimg.cc/rR29ryJP as you can see the issues with high priority needs to fix asap.
4- I have set the menu in the Appearance >> Menus as you can see in this image: https://postimg.cc/rdc0x0XW I just set a dummy menu you can remove and add menu items as per your need. Here is the resulting image: https://postimg.cc/nsPxZgkz
